10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One):

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

For the quarterly period ended June 30, 2018

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

For the transition period from                      to                     

Commission File Number: 001-35975

Gogo Inc.

(Exact name of registrant as specified in its charter)

Delaware	27-1650905
(State or other jurisdiction of Incorporation or Organization)	(I.R.S. Employer Identification No.)

111 North Canal St., Suite 1500

Chicago, IL 60606

(Address of principal executive offices)

Telephone Number (312) 517-5000

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ☒    No  ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ☒    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☒
Non-accelerated filer	☐  (Do not check if smaller reporting company)	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ☐    No  ☒

As of August 6, 2018, 87,351,448 shares of $0.0001 par value common stock were outstanding.

Gogo Inc.

INDEX

		Page
Part I.	Financial Information
Item 1.	Financial Statements		2
	Unaudited Condensed Consolidated Balance Sheets		2
	Unaudited Condensed Consolidated Statements of Operations		3
	Unaudited Condensed Consolidated Statements of Comprehensive Loss		4
	Unaudited Condensed Consolidated Statements of Cash Flows		5
	Notes to Unaudited Condensed Consolidated Financial Statements		6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		32
Item 3.	Quantitative and Qualitative Disclosures About Market Risk		51
Item 4.	Controls and Procedures		52
Part II.	Other Information
Item 1.	Legal Proceedings		53
Item 1A.	Risk Factors		53
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds		54
Item 3.	Defaults Upon Senior Securities		54
Item 4.	Mine Safety Disclosures		54
Item 5.	Other Information		54
Item 6.	Exhibits		55
Signatures			56

1

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

Gogo Inc. and Subsidiaries

Unaudited Condensed Consolidated Balance Sheets

(in thousands, except share and per share data)

	June 30,			December 31,
	2018			2017
Assets
Current assets:
Cash and cash equivalents	$	140,420		$	196,356
Short-term investments		123,191			212,792
Total cash, cash equivalents and short-term investments		263,611			409,148
Accounts receivable, net of allowances of $664 and $587, respectively		141,134			117,896
Inventories		178,506			45,543
Prepaid expenses and other current assets		35,092			20,310
Total current assets		618,343			592,897
Non-current assets:
Property and equipment, net		532,148			656,038
Goodwill and intangible assets, net		83,078			87,133
Other non-current assets		70,739			67,107
Total non-current assets		685,965			810,278
Total assets	$	1,304,308		$	1,403,175
Liabilities and Stockholders’ deficit
Current liabilities:
Accounts payable	$	37,257		$	27,130
Accrued liabilities		205,018			201,815
Deferred revenue		37,275			43,448
Deferred airborne lease incentives		27,207			42,096
Current portion of capital leases		1,442			1,789
Total current liabilities		308,199			316,278
Non-current liabilities:
Long-term debt		1,012,155			1,000,868
Deferred airborne lease incentives		128,279			142,938
Other non-current liabilities		83,887			134,655
Total non-current liabilities		1,224,321			1,278,461
Total liabilities		1,532,520			1,594,739
Commitments and contingencies (Note 12)		—			—
Stockholders’ deficit
Common stock, par value $0.0001 per share; 500,000,000 shares authorized at June 30, 2018 and December 31, 2017; 87,471,813 and 87,062,578 shares issued at June 30, 2018 and December 31, 2017, respectively; and 87,351,300 and 86,843,928 shares outstanding at June 30, 2018 and December 31, 2017, respectively		9			9
Additional paid-in-capital		907,071			898,729
Accumulated other comprehensive loss		(3,146	)		(933	)
Accumulated deficit		(1,132,146	)		(1,089,369	)
Total stockholders’ deficit		(228,212	)		(191,564	)
Total liabilities and stockholders’ deficit	$	1,304,308		$	1,403,175

See the Notes to Unaudited Condensed Consolidated Financial Statements

2

Gogo Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Operations

(in thousands, except per share amounts)

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Revenue:
Service revenue	$	159,056		$	154,076		$	309,734		$	300,571
Equipment revenue		68,402			18,724			149,549			37,635
Total revenue		227,458			172,800			459,283			338,206
Operating expenses:
Cost of service revenue (exclusive of items shown below)		73,650			69,127			148,597			133,940
Cost of equipment revenue (exclusive of items shown below)		64,350			14,649			116,643			26,297
Engineering, design and development		28,409			35,685			58,186			71,949
Sales and marketing		15,427			16,564			31,328			30,959
General and administrative		21,133			23,549			46,292			46,098
Depreciation and amortization		31,938			30,562			67,857			60,997
Total operating expenses		234,907			190,136			468,903			370,240
Operating loss		(7,449	)		(17,336	)		(9,620	)		(32,034	)
Other (income) expense:
Interest income		(1,328	)		(771	)		(2,404	)		(1,316	)
Interest expense		30,641			27,226			61,195			54,169
Other (income) expense		374			56			(131	)		94
Total other expense		29,687			26,511			58,660			52,947
Loss before income taxes		(37,136	)		(43,847	)		(68,280	)		(84,981	)
Income tax provision (benefit)		71			362			(3,654	)		595
Net loss	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Net loss attributable to common stock per share—basic and diluted	$	(0.47	)	$	(0.56	)	$	(0.81	)	$	(1.08	)
Weighted average number of shares—basic and diluted		79,783			79,334			79,718			79,237

See the Notes to Unaudited Condensed Consolidated Financial Statements

3

Gogo Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Comprehensive Loss

(in thousands)

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Net loss	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Currency translation adjustments		(1,379	)		264			(2,213	)		490
Comprehensive loss	$	(38,586	)	$	(43,945	)	$	(66,839	)	$	(85,086	)

See the Notes to Unaudited Condensed Consolidated Financial Statements

4

Gogo Inc. and Subsidiaries

Unaudited Condensed Consolidated Statements of Cash Flows

(in thousands)

	For the Six Months
	Ended June 30,
	2018			2017
Operating activities:
Net loss	$	(64,626	)	$	(85,576	)
Adjustments to reconcile net loss to cash (used in) provided by operating activities:
Depreciation and amortization		67,857			60,997
Loss on asset disposals, abandonments and write-downs		6,529			3,477
Gain on transition to airline-directed model		(21,551	)		—
Deferred income taxes		(3,911	)		527
Stock-based compensation expense		8,599			9,724
Amortization of deferred financing costs		2,083			1,799
Accretion and amortization of debt discount and premium		9,204			9,142
Changes in operating assets and liabilities:
Accounts receivable		(23,522	)		(13,316	)
Inventories		(6,223	)		(1,775	)
Prepaid expenses and other current assets		(4,472	)		4,468
Contract assets		(14,469	)		—
Accounts payable		9,263			1,444
Accrued liabilities		6,498			2,565
Deferred airborne lease incentives		(2,986	)		6,374
Deferred revenue		1,223			5,024
Accrued interest		—			963
Warranty reserves		5,355			57
Other non-current assets and liabilities		(3,880	)		(3,506	)
Net cash (used in) provided by operating activities		(29,029	)		2,388
Investing activities:
Purchases of property and equipment		(103,599	)		(128,892	)
Acquisition of intangible assets—capitalized software		(11,567	)		(16,851	)
Purchases of short-term investments		(39,323	)		(193,845	)
Redemptions of short-term investments		128,924			249,081
Net cash used in investing activities		(25,565	)		(90,507	)
Financing activities:
Proceeds from the issuance of senior secured notes		—			70,200
Payment of issuance costs		—			(1,485	)
Payments on capital leases		(1,187	)		(1,540	)
Stock-based compensation activity		(257	)		(759	)
Net cash provided by (used in) financing activities		(1,444	)		66,416
Effect of exchange rate changes on cash		(373	)		317
Decrease in cash, cash equivalents and restricted cash		(56,411	)		(21,386	)
Cash, cash equivalents and restricted cash at beginning of period		203,729			125,189
Cash, cash equivalents and restricted cash at end of period	$	147,318		$	103,803
Cash, cash equivalents and restricted cash at end of period	$	147,318		$	103,803
Less: current restricted cash		1,738			514
Less: non-current restricted cash		5,160			6,873
Cash and cash equivalents at end of period	$	140,420		$	96,416
Supplemental Cash Flow Information:
Cash paid for interest	$	49,911		$	42,698
Cash paid for taxes		374			24
Noncash Investing and Financing Activities:
Purchases of property and equipment in current liabilities	$	19,001		$	48,721
Purchases of property and equipment paid by commercial airlines		4,816			5,917
Purchases of property and equipment under capital leases		279			1,174
Acquisition of intangible assets in current liabilities		955			1,532
Asset retirement obligation incurred and adjustments		516			745

See the Notes to Unaudited Condensed Consolidated Financial Statements

5

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements

1. Basis of Presentation

The Business - Gogo (“we”, “us”, “our”) is the global leader in providing broadband connectivity solutions and wireless in-flight entertainment to the aviation industry. We operate through the following three segments: Commercial Aviation North America, or “CA-NA,” Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.” Services provided by our CA-NA and CA-ROW businesses include Passenger Connectivity, which allows passengers to connect to the Internet from their personal Wi-Fi-enabled devices; Passenger Entertainment, which offers passengers the opportunity to enjoy a broad selection of in-flight entertainment options on their personal Wi-Fi enabled devices; and Connected Aircraft Services (“CAS”), which offers airlines connectivity for various operations and currently include, among others, real-time credit card transaction processing, electronic flight bags and real-time weather information. Services are provided by CA-NA on commercial aircraft flying routes that generally begin and end within North America, which for this purpose includes the United States, Canada and Mexico. CA-ROW provides service on commercial aircraft operated by foreign-based commercial airlines and flights outside of North America for North American-based commercial airlines. The routes included in our CA-ROW segment are those that begin and/or end outside of North America (as defined above) on which our international service is provided. BA provides in-flight Internet connectivity and other voice and data communications products and services and sells equipment for in-flight telecommunications to the business aviation market. BA services include Gogo Biz, our in-flight broadband service, Passenger Entertainment, our in-flight entertainment service, and satellite-based voice and data services through our strategic alliances with satellite companies.

Basis of Presentation - The accompanying unaudited condensed consolidated financial statements and notes have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in conformity with Article 10 of Regulation S-X promulgated under the Securities Act of 1933, as amended (the “Securities Act”). Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements and should be read in conjunction with our annual audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2017 as filed with the Securities and Exchange Commission (“SEC”) on February 22, 2018 (the “2017 10-K”). These unaudited condensed consolidated financial statements reflect, in the opinion of management, all material adjustments (which include normal recurring adjustments) necessary to fairly state, in all material respects, our financial position, results of operations and cash flows for the periods presented.

The results of operations and cash flows for the three and six month periods ended June 30, 2018 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2018.

We have one class of common stock outstanding as of June 30, 2018 and December 31, 2017.

Reclassifications - To conform with the current year presentation, certain amounts in our unaudited condensed consolidated statement of cash flows for the six month period ended June 30, 2017 have been reclassified. Specifically, accrued airline revenue share of $27 thousand and current deferred rent of $181 thousand have been combined with accrued liabilities and non-current deferred rent of $284 thousand has been combined with other non-current assets and liabilities. Additionally, warranty reserves are now separately stated in its own line, which was included within accrued liabilities previously.

Transition to airline-directed model - The accounting treatment for one of our airline agreements transitioned from our turnkey model to our airline-directed model in January 2018 due to specific provisions elected by the airline that resulted in the transfer of control of the previously installed connectivity equipment. Upon transition to the airline-directed model, the net book value of all previously delivered equipment classified within property and equipment was reclassified to cost of equipment revenue. Additionally, the unamortized proceeds previously received for equipment and classified within current and non-current deferred airborne lease incentives were eliminated and included as part of estimated contract value, which was then allocated amongst the various performance obligations under the agreement. The value allocated to previously delivered equipment was immediately recognized as equipment revenue in our unaudited condensed consolidated financial statements; refer to Note 3, “Revenue Recognition,” for additional disclosures relating to the allocation of consideration among identified performance obligations. For amounts recognized in equipment revenue that were in excess of the amounts billed, we recorded current and non-current contract assets included within prepaid expenses and other current assets and other non-current assets, respectively; refer to Note 3, “Revenue Recognition,” for additional details. In connection with the transition of this airline agreement to the airline-directed model, we also established warranty reserves related to previously sold equipment that are still under a warranty period, which is included

6

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

within accrued liabilities. See Note 8, “Warranties,” for additional information. This transition from the turnkey model to the airline-directed model occurred on January 4, 2018 and the total financial statement effect on our unaudited condensed consolidated balance sheet and unaudited condensed consolidated statement of operations was as follows (in thousands):

	Increase (decrease)
Unaudited condensed consolidated balance sheet
Prepaid expense and other current assets	$	6,603
Property and equipment, net		(32,716	)
Other non-current assets		18,783
Accrued liabilities		2,000
Current deferred airborne lease incentive		(13,592	)
Non-current deferred airborne lease incentive		(17,289	)
Unaudited condensed consolidated statement of operations
Equipment revenue		45,396
Cost of equipment revenue		23,845

During the second quarter 2018, we identified an additional $2.2 million of property and equipment, net that should have been included in the transition adjustments as of January 1, 2018. The schedule above reflects the additional adjustment.

Use of Estimates - The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. On an ongoing basis, management evaluates the significant estimates and bases such estimates on historical experience and on various other assumptions believed to be reasonable under the circumstances. However, actual results could differ materially from those estimates.

2. Recent Accounting Pronouncements

Revenue recognition related new pronouncements:

On January 1, 2018, we adopted Accounting Standards Codification Topic 606, Revenue From Contracts With Customers (“ASC 606”) using the modified retrospective method. As a result, we recognized the cumulative effect of initially applying ASC 606 as an adjustment to the opening balance of retained earnings as of January 1, 2018. Our historical financial statements have not been restated and continue to be reported under the revenue accounting standard in effect for those periods.

Prior to the adoption of ASC 606, equipment revenue (and related cost) under some of our CA-NA and CA-ROW segment contracts was deferred and recognized over the life of the contract as the equipment and connectivity services did not meet the requirements to be treated as separate units of accounting. Under ASC 606, these same equipment transactions qualify as standalone performance obligations and, therefore, equipment revenue (and related cost) is recognized upon acceptance by our airline customers. Adoption of the new standard did not materially affect the amount or timing of equipment revenue recognized from our BA segment. Our service revenue across all segments continues to be recognized as the services are provided to customers.

In conjunction with the adoption of ASC 606, we also adopted Accounting Standard Codification Subtopic 340-40, Other Assets and Deferred Costs – Contracts with Customers (“ASC 340-40”), which requires the capitalization of costs incurred to obtain or fulfill a contract with a customer. Prior to the adoption of ASC 340-40, we expensed all fulfillment and other costs associated with airline-directed contracts, which were comprised predominantly of costs incurred to obtain supplemental type certificates (“STCs”); these costs are now required to be capitalized and amortized to expense over the life of the contract (and are included within engineering, design and development in our unaudited condensed consolidated financial statements). Costs associated with our turnkey contracts are not eligible for capitalization under ASC 340-40 and will continue to be expensed as incurred.

7

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

The cumulative effect of the adoption of ASC 606 and ASC 340-40 to our unaudited condensed consolidated balance sheet as of January 1, 2018 was as follows (in thousands):

	Balance at December 31, 2017			Impact of ASC 606			Balances with Adoption of ASC 606
Assets
Inventories	$	45,543		$	974		$	46,517
Prepaid expenses and other current assets		20,310			603			20,913
Property and equipment, net		656,038			(5,282	)		650,756
Other non-current assets		67,107			(30,006	)		37,101
Liabilities
Current deferred revenue		43,448			(7,182	)		36,266
Other non-current liabilities		134,655			(48,378	)		86,277
Equity
Accumulated deficit		(1,089,369	)		21,849			(1,067,520	)

During the second quarter 2018, we identified an additional $2.3 million of property and equipment, net that should have been recorded to accumulated deficit in the transition adjustments as of January 1, 2018. The schedule above reflects the additional adjustment.

See Note 3, “Revenue Recognition,” for additional information.

On January 1, 2018, we adopted ASU 2016-04, Recognition of Breakage for Certain Prepaid Stored-Value Products (“ASU 2016-04”), which amends the guidance on extinguishing financial liabilities for certain prepaid stored-value products by requiring that entities that sell prepaid stored-value products recognize breakage proportionally as the prepaid stored-value product is being redeemed rather than immediately upon sale of the product. Adoption of this standard did not have a material impact on our consolidated financial statements.

All other new pronouncements:

In March 2016, the Financial Accounting Standards Board (“FASB”) issued ASU 2016-02, Leases (“ASU 2016-02”), which introduces a lessee model that records most leases on the balance sheet. ASU 2016-02 also aligns certain underlying principles of the new lessor model with those in ASC 606, the FASB’s new revenue recognition standard. Furthermore, ASU 2016-02 eliminates the required use of bright-line tests used in current GAAP for determining lease classification. It also requires lessors to provide additional transparency into their exposure to the changes in value of their residual assets and how they manage that exposure. ASU 2016-02 is effective for annual reporting periods beginning after December 15, 2018, including interim periods within those annual reporting periods. ASU 2016-02 required entities to adopt the new leases standard using a modified retrospective method and initially apply the related guidance at the beginning of the earliest period presented in the financial statements. During July 2018, the FASB issued ASU 2018-11, which allows for an additional and optional transition method under which an entity would record a cumulative-effect adjustment at the beginning of the period of adoption. The primary impact of ASU 2016-02 relates to our leases with wireless service providers for tower space and base station capacity, and our leases of facilities and equipment. See Note 11, “Leases,” for further information on our lease arrangements. We will adopt this as guidance as of January 1, 2019, and we are currently evaluating the impact of the adoption of this guidance on our consolidated financial statements.

On January 1, 2018, we adopted ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (“ASU 2016-15”), which amends ASC 230, Statement of Cash Flows, the FASB’s standard for reporting cash flows in general-purpose financial statements. The amendment addresses the diversity in practice related to the classification of certain cash receipts and payments including debt prepayment or debt extinguishment costs. We adopted this guidance using the full retrospective method, which did not have a material impact on our consolidated financial statements as we have historically reported debt prepayment and debt extinguishment costs in a manner consistent with ASU 2016-15.

On January 1, 2018, we adopted ASU 2016-16, Intra-Entity Transfers of Assets Other Than Inventory (“ASU 2016-16”), which removes the prohibition in ASC 740, Income Taxes, against the immediate recognition of the current and deferred income tax effects of intra-entity transfers of assets other than inventory. This is intended to reduce the complexity of GAAP and diversity in practice related to the tax consequences of certain types of intra- entity asset transfers, particularly those involving intellectual property. Adoption of this standard did not have a material impact on our consolidated financial statements.

8

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

On January 1, 2018, we adopted ASU 2016-18, Restricted Cash – A Consensus of the FASB Emerging Issues Task Force, (“ASU 2016-18”), which amends ASC 230, Statement of Cash Flows, to clarify guidance on the classification and presentation of restricted cash in the statement of cash flows using the full retrospective method. Adoption of this standard did not have a material impact on our consolidated financial statements. See our unaudited condensed consolidated statements of cash flows for the reconciliation of cash presented in the statements of cash flows to the cash presented on the balance sheet.

On January 1, 2018, we adopted ASU 2017-09, Scope of Modification Accounting (“ASU 2017-09”), which amends the scope of modification accounting for share-based payment arrangements. The ASU provides guidance on the types of changes to the terms or conditions of share-based payment awards to which an entity would be required to apply modification accounting under ASC 718, Compensation – Stock Compensation. Specifically, an entity would not apply modification accounting if the fair value, vesting conditions, and classification of the awards are the same immediately before and after the modification. Adoption of this standard did not have a material impact on our consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income (“ASU 2018-02”), which permits entities to reclassify tax effects stranded in accumulated other comprehensive income as a result of tax reform to retained earnings. Companies that elect to reclassify these amounts must reclassify stranded tax effects for all items accounted for in accumulated other comprehensive income. ASU 2018-02 is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. We are currently assessing the impact of ASU 2018-02 on our consolidated financial statements and related disclosures.

In June 2018, the FASB issued ASU 2018-07, Improvements to Nonemployee Share-Based Payment Accounting (“ASU 2018-07”), which expands the scope of ASC 718, Compensation – Stock Compensation, to include share-based payment transactions for acquiring goods or services from nonemployees. ASU 2018-07 is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. Early adoption is permitted. We are currently assessing the impact of ASU 2018-07 on our consolidated financial statements and related disclosures.

3. Revenue Recognition

Our revenue is primarily earned from providing connectivity and entertainment services and through sales of equipment. Additionally, to a lesser extent, we earn revenue from providing ancillary services, including installation and Connected Aircraft Services (“CAS”).

We determine revenue recognition through the following steps:

• Identification of the contract, or contracts, with a customer

• Identification of the performance obligations in the contract

• Determination of the transaction price

• Allocation of the transaction price to the performance obligations in the contract

• Recognition of revenue as we satisfy the performance obligations

For CA-NA and CA-ROW, pursuant to contractual agreements with our airline partners, we place our equipment on commercial aircraft operated by the airlines in order to deliver our service to passengers on the aircraft. We currently have two types of commercial airline arrangements: turnkey and airline-directed. Under the airline-directed model, we have transferred control of the equipment to the airline and therefore the airline is our customer in these transactions. Under the turnkey model, we have not transferred control of our equipment to our airline partner and, as a result, the airline passenger is deemed to be our customer. Transactions with our airline partners under the turnkey model are accounted for as an operating lease of space on an aircraft. See Note 11, “Leases,” for additional information on the turnkey model.

9

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

CA-NA and CA-ROW Service Revenue:

CA-NA and CA-ROW revenue consists of service revenue primarily derived from connectivity services, and, to a lesser extent, from entertainment services and CAS. Connectivity is provided to our customers using both our ATG and satellite technologies.

Airline-directed connectivity revenue:

As noted above, under the airline-directed model, the airline is our customer and we earn service revenue as connectivity services are consumed directly by the airline or indirectly by passengers.

Turnkey connectivity revenue (passenger connectivity):

Under the turnkey model, passenger connectivity revenue is generated by services paid for by passengers, airlines and third parties.

Passenger paid revenue represents point-of-sale sessions (which may be flight-based, time-based, multiple individual session packages (“multi-pack”) and subscriptions). Flight-based, time-based and multi-pack revenue is recognized when the sessions are used. Subscription revenue is recognized evenly throughout the subscription period, regardless of the number of times the customer uses the network.

Third party and airline paid revenue is generated by sales of connectivity services to airlines or third parties in sponsorship, wholesale, enterprise and roaming arrangements. Sponsorship revenue is recognized over the sponsorship term. Revenue from wholesale, enterprise and roaming arrangements is recognized as sessions are used by the passenger.

Entertainment revenue:

Entertainment revenue consists of entertainment services we provide to the airline for use by its passengers. Revenue is recognized as the services are provided to the airline.

CAS:

CAS includes, among other things, real-time credit card transaction processing, electronic flight bags and real-time weather information. Revenue is recognized as the service is provided.

BA Service Revenue:

BA service revenue primarily consists of monthly subscription and usage fees paid by aircraft owners and operators for telecommunication, data, and in-flight entertainment services. Revenue is recognized as the services are provided to the customer.

Equipment Revenue:

Equipment revenue primarily consists of the sale of ATG and satellite connectivity equipment and the sale of entertainment equipment. CA-NA and CA-ROW recognize equipment revenue upon acceptance by our airline customers. BA recognizes equipment revenue when the equipment is shipped to OEMs and dealers.

Equipment revenue also includes revenue generated by the installation of the connectivity or entertainment equipment on commercial aircraft, which is recognized when the installation is complete.

Contract price and allocation considerations:

Our CA-NA and CA-ROW airline-directed contracts contain multiple performance obligations, which primarily include the sale of equipment, installation services, connectivity services and entertainment services. For these contracts, we account for each distinct good or service as a separate performance obligation. We allocate the contract’s transaction price to each performance obligation using the relative standalone selling price, which is based on the actual selling price for any good or service sold separately to a similar class of customer, if available. To the extent a good or service is not sold separately, we use our best estimate of the standalone selling price and maximize the use of observable inputs. The primary method we use to estimate the standalone selling price is the expected cost-plus margin approach.

The contractual consideration used for allocation purposes includes connectivity and entertainment services, which may be based on a fixed monthly fee per aircraft or a variable fee based on the volume of connectivity activity, or a combination of both. Examples of variable consideration within our contracts include megabyte overages and pay-per-use sessions. We constrain our estimates to reduce the probability of a significant revenue reversal in future periods, allocate such variable consideration to the identified performance obligations and recognize revenue in the period the services are provided. Our estimates are based on historical experience, anticipated future performance, market conditions and our best judgment at the time.

10

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

A significant change in one or more of these estimates could affect our estimated contract value, and we regularly review and update our estimates and recognize adjustments under the cumulative catch-up method. Any adjustment under this method is recorded as a cumulative adjustment in the period identified and revenue for future periods is recognized using the new adjusted estimate.

As of June 30, 2018, the aggregate amount of the transaction price in our contracts allocated to the remaining unsatisfied performance obligations is approximately $966 million, most of which relates to our commercial aviation contracts. Approximately $187 million represents future equipment revenue that is expected to be recognized within the next one to three years. The remaining $779 million primarily represents connectivity and entertainment service revenues which are recognized as services are provided, which is expected to occur through the remaining term of the contract (approximately 5-10 years). We have excluded from this amount: all variable consideration derived from our connectivity or entertainment services that is allocated entirely to our performance of obligations related to such services; consideration from contracts that have an original duration of one year or less; revenue from passenger service on airlines operating under the turnkey model; and revenue from contracts that have been executed but under which have not yet met the accounting definition of a contract since the airline has not yet determined which products in our portfolio it wishes to select, and, as a result we are unable to determine which products and services will be transferred to the customer.

Disaggregation of revenue

The following table presents our revenue disaggregated by category (in thousands):

	For the Three Months Ended
	June 30, 2018
	CA-NA		CA-ROW		BA		Total
Service revenue
Connectivity	$	88,833	$	14,548	$	47,831	$	151,212
Entertainment, CAS and other		6,913		637		294		7,844
Total service revenue	$	95,746	$	15,185	$	48,125	$	159,056
Equipment revenue
ATG	$	2,254	$	—	$	20,497	$	22,751
Satellite		21,650		18,460		4,461		44,571
Other		—		—		1,080		1,080
Total equipment revenue	$	23,904	$	18,460	$	26,038	$	68,402
Customer type
Airline passenger and aircraft owner/operator	$	54,718	$	5,097	$	48,125	$	107,940
Airline, OEM and aftermarket dealer		49,141		26,311		26,038		101,490
Third party		15,791		2,237		—		18,028
Total revenue	$	119,650	$	33,645	$	74,163	$	227,458
	For the Six Months Ended
	June 30, 2018
	CA-NA		CA-ROW		BA		Total
Service revenue
Connectivity	$	170,873	$	28,197	$	95,223	$	294,293
Entertainment, CAS and other		13,656		1,233		552		15,441
Total service revenue	$	184,529	$	29,430	$	95,775	$	309,734
Equipment revenue
ATG (1)	$	47,016	$	—	$	35,918	$	82,934
Satellite (1)		31,926		23,384		8,719		64,029
Other		—		—		2,586		2,586
Total equipment revenue	$	78,942	$	23,384	$	47,223	$	149,549

11

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

Customer type
Airline passenger and aircraft owner/operator	$	107,642	$	9,826	$	95,775	$	213,243
Airline, OEM and aftermarket dealer (2)		126,567		39,005		47,223		212,795
Third party		29,262		3,983		—		33,245
Total revenue	$	263,471	$	52,814	$	142,998	$	459,283

1) ATG and satellite equipment revenue for the CA-NA segment includes the $45.4 million related to the accounting impact of the transition of one of our airline partners to the airline-directed model. Approximately $43.4 million was included in ATG equipment revenue and approximately $2.0 million was included in satellite equipment revenue.

2) Airline, OEM and aftermarket dealer revenue includes all equipment revenue for our three segments, including the $45.4 million accounting impact of the transition of one of our airline partners to the airline-directed model.

Contract balances

Our current and non-current deferred revenue balances totaled $62.3 million and $61.1 million as of June 30, 2018, and January 1, 2018, respectively. Deferred revenue includes, among other things, equipment, multi-packs, subscriptions and sponsorships activities.

Our current and non-current contract asset balances totaled $44.4 million and $5.1 million as of June 30, 2018 and January 1, 2018, respectively. Contract assets represents the aggregate amount of revenue recognized in excess of billings for our airline-directed contracts.

Our STC balances were $13.6 million and $7.6 million as of June 30, 2018, and January 1, 2018, respectively. We recognized $0.2 million and $0.4 million, respectively, of deferred STC costs as part of our engineering, design and development costs in our unaudited condensed consolidated statement of operations during the three and six month periods ended June 30, 2018. As noted above, STC costs for our airline-directed contracts are capitalized and expensed on a straight-line basis over the life of the contract.

Impact of adoption of ASC 606

The following table presents the post adoption impact of ASC 606 on our unaudited condensed consolidated balance sheet and the statement of operations (in thousands):

	As of June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Assets
Prepaid expenses and other current assets	$	35,092		$	(907	)	$	34,185
Other non-current assets		70,739			98,567			169,306
Liabilities
Current deferred revenue		37,275			26,055			63,330
Other non-current liabilities		83,887			106,131			190,018
Equity
Accumulated deficit		(1,132,146	)		(24,165	)		(1,156,311	)

12

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

	For the Three Months Ended
	June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Revenue:
Service revenue	$	159,056		$	4,514		$	163,570
Equipment revenue		68,402			(31,362	)		37,040
Operating expenses:
Cost of equipment revenue		64,350			(25,144	)		39,206
Engineering, design and development		28,409			691			29,100
Net loss		(37,207	)		(2,395	)		(39,602	)
	For the Six Months Ended
	June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Revenue:
Service revenue	$	309,734		$	8,906		$	318,640
Equipment revenue		149,549			(82,019	)		67,530
Operating expenses:
Cost of equipment revenue		116,643			(64,294	)		52,349
Engineering, design and development		58,186			1,542			59,728
Net loss		(64,626	)		(10,361	)		(74,987	)

4. Net Loss Per Share

Basic and diluted net loss per share have been calculated using the weighted average number of common shares outstanding for the period. The shares of common stock effectively repurchased in connection with the Forward Transactions (as defined and described in Note 9, “Long-Term Debt and Other Liabilities”) are considered participating securities requiring the two-class method to calculate basic and diluted earnings per share. Net earnings in future periods will be allocated between common shares and participating securities. In periods of a net loss, the shares associated with the Forward Transactions will not receive an allocation of losses, as the counterparties to the Forward Transactions are not required to fund losses. Accordingly, the calculation of weighted average shares outstanding as of June 30, 2018 and 2017 excludes approximately 7.2 million shares that will be repurchased as a result of the Forward Transactions.

As a result of the net loss for the three and six month periods ended June 30, 2018 and 2017, all of the outstanding shares of common stock underlying stock options, deferred stock units and restricted stock units were excluded from the computation of diluted shares outstanding because they were anti-dilutive.

The following table sets forth the computation of basic and diluted earnings per share for the three and six month periods ended June 30, 2018 and 2017; however, because of the undistributed losses, the shares of common stock associated with the Forward Transactions are excluded from the computation of basic earnings per share in 2018 and 2017 as undistributed losses are not allocated to these shares (in thousands, except per share amounts):

13

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2018			2017			2018			2017
Net loss	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Less: Participation rights of the Forward Transactions		—			—			—			—
Undistributed losses	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Weighted-average common shares outstanding-basic and diluted		79,783			79,334			79,718			79,237
Net loss attributable to common stock per share-basic and diluted	$	(0.47	)	$	(0.56	)	$	(0.81	)	$	(1.08	)

5. Inventories

Inventories consist primarily of telecommunications systems and parts, and are recorded at the lower of cost (average cost) or market. We evaluate the need for write-downs associated with obsolete, slow-moving, and nonsalable inventory by reviewing net realizable inventory values on a periodic basis.

Inventories as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Work-in-process component parts	$	30,582	$	35,009
Finished goods (1)		147,924		10,534
Total inventory	$	178,506	$	45,543

(1) The increase in our inventories is primarily due to the allocation of a portion of our uninstalled airborne equipment (i.e., shipsets designated for installation under an airline-directed contract) within our CA-NA and CA-ROW segments from property and equipment, net, to inventories. Historically, all uninstalled airborne equipment for the CA-NA and CA-ROW segments was classified as property and equipment, net, as the majority of our installations were performed under our turnkey model agreements. See Note 11, “Leases” for additional information on the turnkey model treatment. As our uninstalled airborne equipment is increasingly being deployed under airline-directed model agreements, we now allocate our uninstalled airborne equipment between property and equipment, net, and inventories, based on our forecasts of estimated future installations by contract type.

6. Composition of Certain Balance Sheet Accounts

Property and equipment as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,			December 31,
	2018			2017
Office equipment, furniture, fixtures and other	$	50,380		$	46,445
Leasehold improvements		44,300			42,522
Airborne equipment (1) (2)		619,425			765,652
Network equipment		201,522			199,304
		915,627			1,053,923
Accumulated depreciation (1)		(383,479	)		(397,885	)
Property and equipment, net	$	532,148		$	656,038

(1) Changes between June 30, 2018 and December 31, 2017 relate to the accounting impact of the transition of one of our airline partner agreements to the airline-directed model (see Note 1, “Basis of Presentation,” for additional information) and the adoption of ASC 606 (see Note 2, “Recent Accounting Pronouncements,” for additional information).

(2) Changes between June 30, 2018 and December 31, 2017 also relate to the allocation of uninstalled airborne equipment to inventory (see Note 5, “Inventories,” for additional information).

14

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

Prepaid expenses and other current assets as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Contract assets (1)	$	9,237	$	—
Prepaid satellite services		6,536		3,360
Restricted cash		1,738		500
Other		17,581		16,450
Total prepaid expenses and other current assets	$	35,092	$	20,310

(1) Changes between June 30, 2018 and December 31, 2017 are due to the adoption of ASC 606 and additional activity during the six months ended June 30, 2018. See Note 2, “Recent Accounting Pronouncements,” for additional information.

Other non-current assets as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Contract assets (1)	$	35,144	$	—
Deferred STC costs (1)		13,551		—
Deferred cost of equipment revenue (1)		—		40,986
Restricted cash		5,160		6,873
Other		16,884		19,248
Total other non-current assets	$	70,739	$	67,107

(1) Changes between June 30, 2018 and December 31, 2017 are primarily due to the adoption of ASC 606 and additional activity during the six months ended June 30, 2018. See Note 2, “Recent Accounting Pronouncements,” for additional information.

Accrued liabilities as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Employee compensation and benefits	$	14,269	$	25,621
Airborne equipment and installation costs		26,804		44,059
Airline related accrued liabilities		26,278		13,566
Accrued interest		47,649		47,649
Accrued revenue share		14,458		17,339
Accrued satellite network costs		13,999		12,667
Warranty reserve		9,762		2,424
Other		51,799		38,490
Total accrued liabilities	$	205,018	$	201,815

Other non-current liabilities as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Deferred revenue (1)	$	25,024	$	73,192
Deferred rent		37,083		37,354
Asset retirement obligations		9,573		9,668
Deferred tax liabilities		2,072		5,983
Other		10,135		8,458
Total other non-current liabilities	$	83,887	$	134,655

(1) Changes between June 30, 2018 and December 31, 2017 are primarily due to the adoption of ASC 606. See Note 2, “Recent Accounting Pronouncements,” for additional information.

15

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

7. Intangible Assets

Our intangible assets are comprised of both indefinite-lived and finite-lived intangible assets. Intangible assets with indefinite lives and goodwill are not amortized, but are reviewed for impairment at least annually or whenever events or circumstances indicate the carrying value of the asset may not be recoverable. We perform our annual impairment tests of our indefinite-lived intangible assets and goodwill during the fourth quarter of each fiscal year. We also reevaluate the useful life of indefinite-lived intangible assets each reporting period to determine whether events and circumstances continue to support an indefinite useful life. The results of our annual indefinite-lived intangible assets and goodwill impairment assessments in the fourth quarter of 2017 indicated no impairment.

As of both June 30, 2018 and December 31, 2017, our goodwill balance, all of which related to our BA segment, was $0.6 million.

Our intangible assets, other than goodwill, as of June 30, 2018 and December 31, 2017 were as follows (in thousands, except for weighted average remaining useful life):

	Weighted
	Average		As of June 30, 2018							As of December 31, 2017
	Remaining		Gross					Net		Gross					Net
	Useful Life		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(in years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Amortized intangible assets:
Software		2.1	$	153,884	$	(105,701	)	$	48,183	$	145,063	$	(93,523	)	$	51,540
Service customer relationship		1.8		8,081		(6,296	)		1,785		8,081		(5,788	)		2,293
Other intangible assets		1.7		1,500		(1,293	)		207		1,500		(1,103	)		397
OEM and dealer relationships				6,724		(6,724	)		—		6,724		(6,724	)		—
Total amortized intangible assets				170,189		(120,014	)		50,175		161,368		(107,138	)		54,230
Unamortized intangible assets:
FCC Licenses				32,283		—			32,283		32,283		—			32,283
Total intangible assets			$	202,472	$	(120,014	)	$	82,458	$	193,651	$	(107,138	)	$	86,513

Amortization expense was $7.2 million and $14.8 million, respectively, for the three and six month periods ended June 30, 2018 and $5.8 million and $11.6 million, respectively, for the three and six month periods ended June 30, 2017.

Amortization expense for each of the next five years and thereafter is estimated to be as follows (in thousands):

	Amortization
Years ending December 31,	Expense
2018 (period from July 1 to December 31)	$	12,986
2019	$	18,811
2020	$	11,046
2021	$	4,917
2022	$	1,890
Thereafter	$	525

Actual future amortization expense could differ from the estimated amount as a result of future investments and other factors.

8. Warranties

We provide warranties on parts and labor related to our products. Our warranty terms range from two to five years. Warranty reserves are established for costs that are estimated to be incurred after the sale, delivery and installation of the products under warranty. The warranty reserves are determined based on known product failures, historical experience and other available evidence, and are included in accrued liabilities in our unaudited condensed consolidated balance sheets. Our warranty reserve balance was $9.8 million and $2.4 million, respectively, as of June 30, 2018 and December 31, 2017. Changes between June 30, 2018 and December 31, 2017 relate to the accounting impact of the transition of one of our airline agreements to the airline-directed model, additional activity under airline-directed models and costs associated with remediation of quality issues associated with our 2Ku technology. See Note 1, “Basis of Presentation” for additional information.

16

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

9. Long-Term Debt and Other Liabilities

Long-term debt as of June 30, 2018 and December 31, 2017 was as follows (in thousands):

	June 30,			December 31,
	2018			2017
Senior Secured Notes	$	704,132		$	705,520
Convertible Notes		322,136			311,544
Total debt		1,026,268			1,017,064
Less deferred financing costs		(14,113	)		(16,196	)
Total long-term debt	$	1,012,155		$	1,000,868

Senior Secured Notes – On June 14, 2016 (the “Issue Date”), Gogo Intermediate Holdings LLC (“GIH”) (a wholly owned subsidiary of Gogo Inc.) and Gogo Finance Co. Inc. (a wholly owned subsidiary of GIH) (the “Co-Issuer” and, together with GIH, the “Issuers”), issued $525 million aggregate principal amount of 12.500% senior secured notes due 2022 (the “Original Senior Secured Notes”) under an Indenture, dated as of June 14, 2016 (the “Original Indenture”), among the Issuers, us, as guarantor, certain subsidiaries of GIH, as guarantors (the “Subsidiary Guarantors” and, together with us, the “Guarantors”), and U.S. Bank National Association, as trustee (in such capacity, the “Trustee”) and as collateral agent (in such capacity, the “Collateral Agent”). On January 3, 2017, the Issuers issued $65 million aggregate principal amount of additional 12.500% senior secured notes due 2022 (the “January 2017 Additional Notes”). The January 2017 Additional Notes were issued at a price equal to 108% of their face value resulting in gross proceeds of $70.2 million. On September 20, 2017, the Issuers, the Guarantors and the Trustee entered into the first supplemental indenture (the “Supplemental Indenture” and, together with the Original Indenture, the “Indenture”) to modify certain covenants, as discussed below. On September 25, 2017, the Issuers issued $100 million aggregate principal amount of additional 12.500% senior secured notes due 2022 (the “September 2017 Additional Notes”). The September 2017 Additional Notes were issued at a price equal to 113% of their face value resulting in gross proceeds of $113.0 million. Additionally, we received approximately $2.9 million for interest that accrued from July 1, 2017 through September 24, 2017, which was paid in our January 2018 interest payment. We refer to the Original Senior Secured Notes, the January 2017 Additional Notes and the September 2017 Additional Notes collectively as the “Senior Secured Notes.”

As noted above, on September 20, 2017, the Issuers, the Guarantors and the Trustee entered into the Supplemental Indenture to (i) increase the amount of additional secured indebtedness under Credit Facilities (as defined in the Indenture) that may be incurred by the Issuer and its Restricted Subsidiaries (as defined in the Indenture) under the Indenture by $100 million (from $75 million to $175 million in aggregate principal amount), (ii) permit the Issuer and its Restricted Subsidiaries to incur additional secured indebtedness in connection with vendor financing arrangements not to exceed $50 million in aggregate principal amount at any time outstanding and (iii) permit the Issuer and its Restricted Subsidiaries to make additional dividends or distributions to Gogo in an aggregate amount of up to $15 million during any twelve-month period to pay interest on any indebtedness or preferred stock with a maturity later than July 1, 2022. The Supplemental Indenture became effective immediately upon execution, following our receipt of consents from holders of a majority of the outstanding principal amount of the Existing Notes (excluding Existing Notes held by the Issuers or any affiliates of the Issuers) to the Supplemental Indenture and amendments to the collateral agency agreement governing the Senior Secured Notes (the “Consent Solicitation”). In connection with the Consent Solicitation, GIH paid $1.4 million in fees (“Consent Fees”) to holders of Existing Notes who validly tendered (and did not revoke) their consents prior to the expiration of the Consent Solicitation.

As of June 30, 2018 and December 31, 2017, the outstanding principal amount of the Senior Secured Notes was $690.0 million and $690.0 million, respectively, the unamortized debt premium and Consent Fees were $14.1 million and $15.5 million, respectively, and the net carrying amount was $704.1 million and $705.5 million, respectively.

Interest on the Senior Secured Notes accrues at the rate of 12.500% per annum and is payable semi-annually in arrears on January 1 and July 1, interest payments commenced on January 1, 2017 (other than the January 2017 Additional Notes, for which interest payments commenced on July 1, 2017, and the September 2017 Additional Notes, for which interest payments commenced on January 1, 2018). The Senior Secured Notes mature on July 1, 2022. The January 2017 Additional Notes and September 2017 Additional Notes have the same terms as the Original Senior Secured Notes, except with respect to the issue date and issue price, and are treated as a single series for all purposes under the Indenture and the security documents that govern the Senior Secured Notes.

17

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

We paid approximately $11.4 million, $2.0 million and $2.5 million, respectively, of aggregate origination fees and financing costs related to the issuance of the Original Senior Secured Notes, the January 2017 Additional Notes and the September 2017 Additional Notes, which have been accounted for as deferred financing costs. Additionally, as noted above, we paid approximately $1.4 million of Consent Fees, which partially offset the net carrying value of the Senior Secured Notes. The deferred financing costs on our unaudited condensed consolidated balance sheet are being amortized over the contractual term of the Senior Secured Notes using the effective interest method. Total amortization expense was $0.7 million and $1.3 million, respectively, for the three and six month periods ended June 30, 2018, and $0.6 million and $1.1 million, respectively, for the prior year periods. As of June 30, 2018 and December 31, 2017, the balance of unamortized deferred financing costs related to the Senior Secured Notes was $11.3 million and $12.6 million, respectively, and is included as a reduction to long-term debt in our unaudited condensed consolidated balance sheet. See Note 10, “Interest Costs,” for additional information.

The Senior Secured Notes are the senior secured indebtedness of the Issuers and are:

• effectively senior to all of the Issuers’ existing and future senior unsecured indebtedness and the Issuers’ indebtedness secured on a junior priority basis by the same collateral securing the Senior Secured Notes, if any, in each case to the extent of the value of the collateral securing the Senior Secured Notes;

• effectively senior in right of payment to all of the Issuers’ future indebtedness that is subordinated in right of payment to the Senior Secured Notes;

• effectively equal in right of payment with the Issuers’ existing and future (i) unsecured indebtedness that is not subordinated in right of payment to the Senior Secured Notes and (ii) indebtedness secured on a junior priority basis by the same collateral securing the Senior Secured Notes, if any, in each case to the extent of any insufficiency in the collateral securing the Senior Secured Notes;

• structurally senior to all of our existing and future indebtedness, including our Convertible Notes (as defined below); and

• structurally subordinated to all of the indebtedness and other liabilities of any non-Guarantors (other than the Issuers).

The Senior Secured Notes are guaranteed, on a senior secured basis, by us and all of GIH’s existing and future domestic restricted subsidiaries (other than the Co-Issuer), subject to certain exceptions. The Issuers’ obligations under the Senior Secured Notes are not guaranteed by Gogo International Holdings LLC, a subsidiary of ours that holds no material assets other than equity interests in our foreign subsidiaries. Each guarantee is a senior secured obligation of such Guarantor and is:

• effectively senior to all of such Guarantor’s existing and future senior unsecured indebtedness and such Guarantor’s indebtedness secured on a junior priority basis by the same collateral, if any, securing the guarantee of such Guarantor, in each case to the extent of the value of the collateral securing such guarantee;

• effectively senior in right of payment to all of such Guarantor’s future indebtedness that is subordinated in right of payment to such Guarantor’s guarantee;

• effectively equal in right of payment with all of such Guarantor’s existing and future (i) unsecured indebtedness that is not subordinated in right of payment to such Guarantor’s guarantee, and (ii) indebtedness secured on a junior priority basis by the same collateral, if any, securing the guarantee of such Guarantor, in each case to the extent of any insufficiency in the collateral securing such guarantee; and

• structurally subordinated to all indebtedness and other liabilities of any non-Guarantor subsidiary of such Guarantor (excluding, in the case of our guarantee, the Issuers).

The Senior Secured Notes and the related guarantees are secured by first-priority liens, subject to permitted liens, on substantially all of the Issuers’ and the Guarantors’ assets, except for certain excluded assets, including pledged equity interests of the Issuers and all of our existing and future domestic restricted subsidiaries guaranteeing the Senior Secured Notes.

18

Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

The security interests in certain collateral may be released without the consent of holders of the Senior Secured Notes, if such collateral is disposed of in a transaction that complies with the Indenture and related security agreements. In addition, under certain circumstances, we and the Guarantors have the right to transfer certain intellectual property assets that on the Issue Date constitute collateral securing the Senior Secured Notes or the guarantees to a restricted subsidiary organized under the laws of Switzerland, resulting in the release of such collateral without consent of the holders of the Senior Secured Notes.

On or after July 1, 2019, the Issuers may, at their option, at any time or from time to time, redeem any of the Senior Secured Notes in whole or in part. The Senior Secured Notes will be redeemable at the following redemption prices (expressed in percentages of principal amount), plus accrued and unpaid interest, if any, to (but not including) the redemption date (subject to the right of holders of record on the relevant regular record date on or prior to the redemption date to receive interest due on an interest payment date), if redeemed during the twelve-month period commencing on July 1 of the following years:

	Redemption
Year	Price
2019		106.250	%
2020		103.125	%
2021 and thereafter		100.000	%

In addition, at any time prior to July 1, 2019, the Issuers may redeem up to 35% of the aggregate principal amount of the Senior Secured Notes with the proceeds of certain equity offerings at a redemption price of 112.500% of the principal amount redeemed, plus accrued and unpaid interest, if any, to (but not including) the date of redemption; provided, however, that Senior Secured Notes representing at least 65% of the principal amount of the Senior Secured Notes remain outstanding immediately after each such redemption.

The Issuers may redeem the Senior Secured Notes, in whole or in part, at any time prior to July 1, 2019, at a redemption price equal to 100% of the principal amount of the Senior Secured Notes redeemed plus the make-whole premium set forth in the Indenture as of, and accrued and unpaid interest, if any, to (but not including) the applicable redemption date.

The Indenture contains covenants that, among other things, limit the ability of the Issuers and the Subsidiary Guarantors and, in certain circumstances, our ability, to: incur additional indebtedness; pay dividends, redeem stock or make other distributions; make investments; create restrictions on the ability of our restricted subsidiaries to pay dividends to the Issuers or make other intercompany transfers; create liens; transfer or sell assets; merge or consolidate; and enter into certain transactions with the Issuers’ affiliates, including us. Most of these covenants will cease to apply if, and for as long as, the Senior Secured Notes have investment grade ratings from both Moody’s Investment Services, Inc. and Standard & Poor’s.

If we or the Issuers undergo specific types of change of control prior to July 1, 2022, GIH is required to make an offer to repurchase for cash all of the Senior Secured Notes at a repurchase price equal to 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to (but not including) the payment date.

The Indenture provides for events of default, which, if any of them occur, would permit or require the principal, premium, if any, and interest on all of the then outstanding Senior Secured Notes issued under the Indenture to be due and payable immediately. As of June 30, 2018, no event of default had occurred.

Convertible Notes – On March 3, 2015, we issued $340.0 million aggregate principal amount of 3.75% Convertible Senior Notes due 2020 (the “Convertible Notes”) in a private offering to qualified institutional buyers, pursuant to Rule 144A under the Securities Act. We granted an option to the initial purchasers to purchase up to an additional $60.0 million aggregate principal amount of Convertible Notes to cover over-allotments, of which $21.9 million was subsequently exercised during March 2015, resulting in a total issuance of $361.9 million aggregate principal amount of Convertible Notes. The Convertible Notes mature on March 1, 2020, unless earlier repurchased or converted into shares of our common stock under certain circumstances described below. Upon maturity, we have the option to settle our obligation through cash, shares of common stock, or a combination of cash and shares of common stock. We pay interest on the Convertible Notes semi-annually in arrears on March 1 and September 1 of each year. Interest payments began on September 1, 2015.

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

The $361.9 million of proceeds received from the issuance of the Convertible Notes was initially allocated between long-term debt (the liability component) at $261.9 million and additional paid-in-capital (the equity component) at $100.0 million, within the consolidated balance sheet. The fair value of the liability component was measured using rates determined for similar debt instruments without a conversion feature. The carrying amount of the equity component, representing the conversion option, was determined by deducting the fair value of the liability component from the aggregate face value of the Convertible Notes. If we or the note holders elect not to settle the debt through conversion, we must settle the Convertible Notes at face value. Therefore, the liability component will be accreted up to the face value of the Convertible Notes, which will result in additional non-cash interest expense being recognized in the unaudited condensed consolidated statements of operations through the Convertible Notes maturity date (see Note 10, “Interest Costs” for additional information). The effective interest rate on the Convertible Notes, including accretion of the notes to par and debt issuance cost amortization, was approximately 11.5%. The equity component will not be remeasured as long as it continues to meet the conditions for equity classification.

As of June 30, 2018 and December 31, 2017, the outstanding principal on the Convertible Notes was $361.9 million, the unamortized debt discount was $39.8 million and $50.4 million, respectively, and the net carrying amount of the liability component was $322.1 million and $311.5 million, respectively.

We incurred approximately $10.4 million of issuance costs related to the issuance of the Convertible Notes of which $7.5 million and $2.9 million were recorded as deferred financing costs and additional paid-in capital, respectively, in proportion to the allocation of the proceeds of the Convertible Notes. The $7.5 million recorded as deferred financing costs on our consolidated balance sheet is being amortized over the term of the Convertible Notes using the effective interest method. Total amortization expense of the deferred financing costs was $0.4 million and $0.8 million, respectively, for the three and six month periods ended June 30, 2018, and $0.3 million and $0.7 million, respectively, for the prior year periods. Amortization expense is included in interest expense in the unaudited condensed consolidated statements of operations. As of June 30, 2018 and December 31, 2017, the balance of unamortized deferred financing costs related to the Convertible Notes was $2.8 million and $3.6 million, respectively, and is included as a reduction to long-term debt in our unaudited condensed consolidated balance sheets. See Note 10, “Interest Costs” for additional information.

The Convertible Notes had an initial conversion rate of 41.9274 common shares per $1,000 principal amount of Convertible Notes, which is equivalent to an initial conversion price of approximately $23.85 per share of our common stock. Upon conversion, we currently expect to deliver cash up to the principal amount of the Convertible Notes then outstanding. With respect to any conversion value in excess of the principal amount, we currently expect to deliver shares of our common stock. We may elect to deliver cash in lieu of all or a portion of such shares. The shares of common stock subject to conversion are excluded from diluted earnings per share calculations under the if-converted method as their impact is anti-dilutive.

Holders may convert the Convertible Notes, at their option, in multiples of $1,000 principal amount at any time prior to December 1, 2019, but only in the following circumstances:

• during any fiscal quarter beginning after the fiscal quarter ended June 30, 2015, if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during the last 30 consecutive trading days of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price of the Convertible Notes on each applicable trading day;

• during the five business day period following any five consecutive trading day period in which the trading price for the Convertible Notes is less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the Convertible Notes on each such trading day; or

• upon the occurrence of specified corporate events.

None of the above events allowing for conversion prior to December 1, 2019 occurred during the three and six month periods ended June 30, 2018 or the year ended December 31, 2017. Regardless of whether any of the foregoing circumstances occurs, a holder may convert its Convertible Notes, in multiples of $1,000 principal amount, at any time on or after December 1, 2019 until maturity.

In addition, if we undergo a fundamental change (as defined in the indenture governing the Convertible Notes), holders may, subject to certain conditions, require us to repurchase their Convertible Notes for cash at a price equal to 100% of the principal amount of the Convertible Notes to be purchased, plus any accrued and unpaid interest. In addition, if specific corporate events occur prior to the maturity date, we will increase the conversion rate for a holder who elects to convert its Convertible Notes in connection with such a corporate event in certain circumstances.

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

In connection with the issuance of the Convertible Notes, we paid approximately $140 million to enter into prepaid forward stock repurchase transactions (the “Forward Transactions”) with certain financial institutions (the “Forward Counterparties”), pursuant to which we purchased approximately 7.2 million shares of common stock for settlement on or around the March 1, 2020 maturity date for the Convertible Notes, subject to the ability of each Forward Counterparty to elect to settle all or a portion of its Forward Transactions early. As a result of the Forward Transactions, total shareholders’ equity within our unaudited condensed consolidated balance sheet was reduced by approximately $140 million. Approximately 7.2 million shares of common stock that will be effectively repurchased through the Forward Transactions are treated as retired shares for basic and diluted EPS purposes although they remain legally outstanding.

Restricted Cash - Our restricted cash balances were $6.9 million and $7.4 million, respectively, as of June 30, 2018 and December 31, 2017 and primarily consist of letters of credit. Certain of the letters of credit require us to maintain restricted cash accounts in a similar amount, and are issued for the benefit of the landlords at our current office locations in Chicago, IL, Bensenville, IL and Broomfield, CO.

10. Interest Costs

We capitalize a portion of our interest on funds borrowed during the active construction period of major capital projects. Capitalized interest is added to the cost of the underlying assets and amortized over the useful lives of the assets.

The following is a summary of our interest costs for the three and six month periods ended June 30, 2018 and 2017 (in thousands):

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Interest costs charged to expense	$	24,928		$	21,689		$	49,908		$	43,228
Amortization of deferred financing costs		1,048			903			2,083			1,799
Accretion of debt discount on Convertible Notes		5,368			4,812			10,592			9,493
Amortization of debt premium on Senior Secured Notes		(703	)		(178	)		(1,388	)		(351	)
Interest expense		30,641			27,226			61,195			54,169
Interest costs capitalized to property and equipment		3			2			15			6
Interest costs capitalized to software		75			253			107			611
Total interest costs	$	30,719		$	27,481		$	61,317		$	54,786

11. Leases

Arrangements with Commercial Airlines — Pursuant to contractual agreements with our airline partners, we place our equipment on commercial aircraft operated by the airlines for the purpose of delivering our service to passengers on the aircraft. There are currently two types of commercial airline arrangements: turnkey and airline-directed. See Note 3, “Revenue Recognition,” for additional information on airline-directed arrangements.

Under the turnkey model, we account for equipment transactions as operating leases of space for our equipment on the aircraft. We may be responsible for the costs of installing and/or deinstalling the equipment. Under the turnkey model, the equipment transactions involve the transfer of legal title but do not meet sales recognition for accounting purposes because the risks and rewards of ownership are not fully transferred due to our continuing involvement with the equipment, the length of the term of our agreements with the airlines, and restrictions in the agreements regarding the airlines’ use of the equipment. Under the turnkey model, we refer to the airline as a “partner.”

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

Under the turnkey model, the assets are recorded as airborne equipment on our unaudited condensed consolidated balance sheets, as noted in Note 6, “Composition of Certain Balance Sheet Accounts.” Any upfront equipment payments are accounted for as lease incentives and recorded as deferred airborne lease incentives on our unaudited condensed consolidated balance sheets and are recognized as a reduction of the cost of service revenue on a straight-line basis over the term of the agreement with the airline. We recognized $7.5 million and $15.1 million, respectively, for the three and six month periods ended June 30, 2018 and $8.6 million and $18.0 million, respectively, for the prior year periods as a reduction to our cost of service revenue in our unaudited condensed consolidated statements of operations. As of June 30, 2018, deferred airborne lease incentives of $27.2 million and $128.3 million, respectively, are included in current and non-current liabilities in our unaudited condensed consolidated balance sheet. As of December 31, 2017, deferred airborne lease incentives of $42.1 million and $142.9 million, respectively, are included in current and non-current liabilities in our unaudited condensed consolidated balance sheet. The decrease in our deferred airborne lease incentives and the amortization of the deferred airborne lease incentives relate to the accounting impact of the transition of one of our airline agreements to the airline-directed model. See Note 1, “Basis of Presentation,” for additional information.

Under the turnkey model, the revenue share paid to our airline partners represents operating lease payments. They are deemed to be contingent rental payments, as the payments due to each airline are based on a percentage of our CA-NA and CA-ROW service revenue generated from that airline’s passengers, which is unknown until realized. Therefore, we cannot estimate the lease payments due to an airline at the commencement of our contract with such airline. This rental expense is included in cost of service revenue and is partially offset by the amortization of the deferred airborne lease incentives discussed above. Such rental expenses totaled a net charge of $6.7 million and $13.1 million, respectively, for the three and six month periods ended June 30, 2018 and $10.2 million and $19.1 million, respectively, for the prior year periods. The decrease in rental expense was due to the transition of one of our airline agreements to the airline-directed model. See Note 1, “Basis of Presentation,” for additional information.

A contract with one of our airline partners requires us to provide the airline partner with a cash rebate of $1.8 million in June 2018. We intend to make the 2018 payment shortly.

Leases and Cell Site Contracts — We have lease agreements relating to certain facilities and equipment, which are considered operating leases. Rent expense for such operating leases was $3.0 million and $6.1 million, respectively, for the three and six month periods ended June 30, 2018 and $3.0 million and $6.0 million, respectively, for the prior year periods. Additionally, we have operating leases with wireless service providers for tower space and base station capacity on a volume usage basis (“cell site leases”), some of which provide for minimum annual payments. Our cell site leases generally provide for an initial noncancelable term with various renewal options. Total cell site rental expense was $2.6 million and $5.3 million, respectively, during the three and six month periods ended June 30, 2018 and $2.4 million and $4.7 million, respectively, for the prior year periods.

Annual future minimum obligations for operating leases for each of the next five years and thereafter, other than the arrangements we have with our commercial airline partners, as of June 30, 2018, are as follows (in thousands):

	Operating
Years ending December 31,	Leases
2018 (period from July 1 to December 31)	$	11,365
2019	$	21,083
2020	$	19,118
2021	$	18,975
2022	$	17,703
Thereafter	$	92,350

Equipment Leases – We lease certain computer and network equipment under capital leases, for which interest has been imputed with annual interest rates in an approximate range of 8% to 14%. As of June 30, 2018 and December 31, 2017 the computer equipment leases were classified as part of office equipment, furniture, and fixtures and other in our unaudited condensed consolidated balance sheet at a gross cost of $5.3 million and $5.0 million, respectively. As of June 30, 2018 and December 31, 2017, the network equipment leases were classified as part of network equipment in our unaudited condensed consolidated balance sheet at a gross cost of $7.5 million and $7.5 million, respectively. Annual future minimum obligations under capital leases for each of the next five years and thereafter, as of June 30, 2018, are as follows (in thousands):

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

	Capital
Years ending December 31,	Leases
2018 (period from July 1 to December 31)	$	851
2019		1,053
2020		211
Thereafter		—
Total minimum lease payments		2,115
Less: Amount representing interest		(109	)
Present value of net minimum lease payments	$	2,006

The $2.0 million present value of net minimum lease payments as of June 30, 2018 has a current portion of $1.4 million included in the current portion of long-term debt and capital leases and a non-current portion of $0.6 million included in other non-current liabilities.

12. Commitments and Contingencies

Contractual Commitments - We have agreements with vendors to provide us with transponder and teleport satellite services. These agreements vary in length and amount and as of June 30, 2018 commit us to purchase transponder and teleport satellite services totaling approximately $43.8 million in 2018 (July 1 through December 31), $92.7 million in 2019, $90.4 million in 2020, $77.9 million in 2021, $74.4 million in 2022 and $228.1 million thereafter.

We have agreements with various vendors under which we have remaining commitments to purchase satellite-based systems, certifications and development services. Such commitments will become payable as we receive the equipment or certifications, or as development services are provided.

Damages and Penalties - We have entered into a number of agreements with our airline partners that require us to provide a credit or pay penalties or liquidated damages to our airline partners if we are unable to install our equipment on aircraft by specified timelines or fail to comply with service level commitments. The maximum amount of future credits or payments we could be required to make under these agreements is uncertain because the amount of future credits or payments is based on certain variable inputs.

Indemnifications and Guarantees - In accordance with Delaware law, we indemnify our officers and directors for certain events or occurrences while the officer or director is, or was, serving at our request in such capacity. The maximum potential amount of future payments we could be required to make under this indemnification is uncertain and may be unlimited, depending upon circumstances. However, our Directors’ and Officers’ insurance does provide coverage for certain of these losses.

In the ordinary course of business we may occasionally enter into agreements pursuant to which we may be obligated to pay for the failure of performance of others, such as the use of corporate credit cards issued to employees. Based on historical experience, we believe that the risk of sustaining any material loss related to such guarantees is remote.

We have entered into a number of agreements, including our agreements with commercial airlines, pursuant to which we indemnify the other party for losses and expenses suffered or incurred in connection with any patent, copyright, or trademark infringement or misappropriation claim asserted by a third party with respect to our equipment or services. The maximum potential amount of future payments we could be required to make under these indemnification agreements is uncertain and is typically not limited by the terms of the agreements.

Linksmart Litigation - On April 20, 2018, Linksmart Wireless Technology, LLC filed suit against us and eight of our airline partners in the U.S. District Court for the Central District of California alleging that our redirection server and login portal infringe a patent owned by the plaintiff. We are required under our contracts with these airlines to indemnify them for defense costs and any liabilities resulting from the suit. Given the very early stage of this litigation, we are unable to assess the merits of the claim, and the outcome of this matter is inherently uncertain.

Pierrelouis Litigation - On June 27, 2018, a purported stockholder of the Company filed a putative class action lawsuit in the United States District Court for the Northern District of Illinois, Eastern Division styled Pierrelouis v. Gogo Inc., naming the Company, its former Chief Executive Officer and Chief Financial Officer and its current Chief Executive Officer, Chief Financial Officer, and President, Commercial Aviation as defendants purportedly on behalf of all purchasers of our securities from February 27, 2017 through May 7, 2018. The complaint asserts claims

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended, and Rule 10b-5 promulgated thereunder, alleging misrepresentations or omissions by us purporting to relate to our 2Ku antenna’s reliability and installation and remediation costs. The plaintiffs seek to recover from us and the individual defendants an unspecified amount of damages. We believe that the claims are without merit and intend to defend them vigorously. In accordance with Delaware law, we will indemnify the individual named defendants for their defense costs and any damages they incur in connection with the suit. We have filed a claim with the issuer of our Directors’ and Officers’ insurance policy with respect to this suit. No amounts have been accrued for any potential losses under this matter, as we cannot reasonably predict the outcome of the litigation or any potential losses.

13. Fair Value of Financial Assets and Liabilities

A three-tier fair value hierarchy has been established which prioritizes the inputs used in measuring fair value. These tiers include:

• Level 1 - defined as observable inputs such as quoted prices in active markets;

• Level 2 - defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

• Level 3 - defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

Long-Term Debt:

Our financial assets and liabilities that are disclosed but not measured at fair value include the Senior Secured Notes and the Convertible Notes, which are reflected on the unaudited condensed consolidated balance sheet at cost. The fair value measurements are classified as Level 2 within the fair value hierarchy since they are based on quoted market prices of our instruments in markets that are not active. We estimated the fair value of the Senior Secured Notes and Convertible Notes by calculating the upfront cash payment a market participant would require to assume these obligations. The upfront cash payment used in the calculations of fair value on our June 30, 2018 unaudited condensed consolidated balance sheet, excluding any issuance costs, is the amount that a market participant would be willing to lend at June 30, 2018 to an entity with a credit rating similar to ours and achieve sufficient cash inflows to cover the scheduled cash outflows under the Senior Secured Notes and the Convertible Notes. The calculated fair value of our Convertible Notes is highly correlated to our stock price and as a result significant changes to our stock price could have a significant impact on the calculated fair value of our Convertible Notes.

The fair value and carrying value of long-term debt as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30, 2018					December 31, 2017
	Fair Value (1)		Carrying Value			Fair Value (1)		Carrying Value
Senior Secured Notes	$	742,000	$	704,132	(2)	$	782,000	$	705,520	(2)
Convertible Notes		316,000		322,136	(3)		330,000		311,544	(3)

(1) Fair value amounts are rounded to the nearest million.

(2) Carrying value of the Senior Secured Notes includes unamortized debt premium and Consent Fees of $14.1 million and $15.5 million, respectively, as of June 30, 2018 and December 31, 2017. See Note 9, “Long-Term Debt and Other Liabilities,” for further information.

(3) Carrying value of the Convertible Notes excludes unamortized debt discount of $39.8 million and $50.4 million, respectively, as of June 30, 2018 and December 31, 2017. See Note 9, “Long-Term Debt and Other Liabilities,” for further information.

We have held-to-maturity financial instruments where carrying value approximates fair value. There were no fair value adjustments to these financial instruments during the three and six month periods ended June 30, 2018 and 2017.

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

14. Income Tax

The effective income tax rates for the three and six month periods ended June 30, 2018 were (0.2%) and 5.4%, respectively, as compared with (0.8%) and (0.7%), respectively, for the prior year periods. An income tax benefit was recorded for the six month period ended June 30, 2018 resulting from a reduction in our valuation allowance of approximately $4.0 million due to the application of provisions of H.R. 1, commonly known as the Tax Cuts and Jobs Act, to our evaluation of our deferred tax assets. For the three and six months ended June 30, 2017, our income tax expense was not significant primarily due to the recording of a valuation allowance against our net deferred tax assets.

We are subject to income taxation in the United States, various states within the United States, Canada, Switzerland, Japan, Mexico, Brazil, Singapore, the United Kingdom, Hong Kong, Australia, China, India, France, Germany and the Netherlands. With few exceptions, as of June 30, 2018, we are no longer subject to U.S. federal, state, local or foreign examinations by tax authorities for years before 2014.

We record penalties and interest relating to uncertain tax positions in the income tax provision line item in the unaudited condensed consolidated statement of operations. No penalties or interest related to uncertain tax positions were recorded for the three and six month periods ended June 30, 2018 and 2017. As of June 30, 2018 and December 31, 2017, we did not have a liability recorded for interest or potential penalties.

We do not expect a change in the unrecognized tax benefits within the next 12 months.

15. Business Segments and Major Customers

We operate our business through three operating segments: Commercial Aviation North America, or “CA-NA”, Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.” See Note 1, “Basis of Presentation,” for further information regarding our segments.

The accounting policies of the operating segments are the same as those described in Note 2, “Summary of Significant Accounting Policies,” in our 2017 10-K. Intercompany transactions between segments are excluded as they are not included in management’s performance review of the segments. For the three and six months ended June 30, 2018 and 2017, our foreign revenue accounts for less than 10% of our consolidated revenue. We do not segregate assets between segments for internal reporting. Therefore, asset-related information has not been presented. We do not disclose assets outside of the United States as they totaled less than 10% of our unaudited condensed consolidated assets as of June 30, 2018 and December 31, 2017. For our airborne assets, we consider only those assets installed in aircraft associated with international commercial airline partners to be owned outside of the United States.

Management evaluates performance and allocates resources to each segment based on segment profit (loss), which is calculated internally as net income (loss) attributable to common stock before interest expense, interest income, income taxes, depreciation and amortization, certain non-cash items (including amortization of deferred airborne lease incentives, stock-based compensation expense, amortization of STC costs and the accounting impact of the transition to the airline-directed model) and other income (expense). Segment profit (loss) is a measure of performance reported to the chief operating decision maker for purposes of making decisions about allocating resources to the segments and evaluating segment performance. In addition, segment profit (loss) is included herein in conformity with ASC 280-10, Segment Reporting. Management believes that segment profit (loss) provides useful information for analyzing and evaluating the underlying operating results of each segment. However, segment profit (loss) should not be considered in isolation or as a substitute for net income (loss) attributable to common stock or other measures of financial performance prepared in accordance with GAAP. Additionally, our computation of segment profit (loss) may not be comparable to other similarly titled measures computed by other companies.

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

Information regarding our reportable segments is as follows (in thousands):

	For the Three Months Ended
	June 30, 2018
	CA-NA		CA-ROW			BA		Total
Service revenue	$	95,746	$	15,185		$	48,125	$	159,056
Equipment revenue		23,904		18,460			26,038		68,402
Total revenue	$	119,650	$	33,645		$	74,163	$	227,458
Segment profit (loss)	$	7,041	$	(24,474	)	$	36,679	$	19,246
	For the Three Months Ended
	June 30, 2017
	CA-NA		CA-ROW			BA		Total
Service revenue	$	98,679	$	13,188		$	42,209	$	154,076
Equipment revenue		2,272		885			15,567		18,724
Total revenue	$	100,951	$	14,073		$	57,776	$	172,800
Segment profit (loss)	$	16,191	$	(31,403	)	$	25,202	$	9,990
	For the Six Months Ended
	June 30, 2018
	CA-NA		CA-ROW			BA		Total
Service revenue	$	184,529	$	29,430		$	95,775	$	309,734
Equipment revenue (1)		78,942		23,384			47,223		149,549
Total revenue	$	263,471	$	52,814		$	142,998	$	459,283
Segment profit (loss)	$	8,697	$	(47,079	)	$	69,002	$	30,620
	For the Six Months Ended
	June 30, 2017
	CA-NA		CA-ROW			BA		Total
Service revenue	$	195,824	$	22,556		$	82,191	$	300,571
Equipment revenue		3,943		1,803			31,889		37,635
Total revenue	$	199,767	$	24,359		$	114,080	$	338,206
Segment profit (loss)	$	27,350	$	(57,958	)	$	51,317	$	20,709

(1) CA-NA equipment revenue for the six months ended June 30, 2018 includes the accounting impact of the transition of one of our airline partners to the airline-directed model. See Note 1, “Basis of Presentation” for additional information.

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Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

A reconciliation of segment profit (loss) to the relevant consolidated amounts is as follows (in thousands):

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
CA-NA segment profit	$	7,041		$	16,191		$	8,697		$	27,350
CA-ROW segment loss		(24,474	)		(31,403	)		(47,079	)		(57,958	)
BA segment profit		36,679			25,202			69,002			51,317
Total segment profit		19,246			9,990			30,620			20,709
Interest income		1,328			771			2,404			1,316
Interest expense		(30,641	)		(27,226	)		(61,195	)		(54,169	)
Depreciation and amortization		(31,938	)		(30,562	)		(67,857	)		(60,997	)
Transition to airline-directed model		2,249			—			21,551			—
Amortization of deferred airborne lease incentives (1)		7,462			8,630			15,092			17,978
Amortization of STC costs		(255	)		—			(427	)		—
Stock-based compensation expense		(4,213	)		(5,394	)		(8,599	)		(9,724	)
Other income (expense)		(374	)		(56	)		131			(94	)
Loss before income taxes	$	(37,136	)	$	(43,847	)	$	(68,280	)	$	(84,981	)

(1) Amortization of deferred airborne lease incentive relates to our CA-NA and CA-ROW segments. See Note 11, “Leases,” for further information.

Major Customers and Airline Partnerships — Under the turnkey model, we refer to the airline as a “partner”, and under the airline-directed model, we refer to the airline as a “customer.”

During the three and six month periods ended June 30, 2018, American Airlines accounted for approximately 22% and 29% of consolidated revenue, respectively, while no other customer accounted for more than 10% of consolidated revenue during the prior year periods. Revenue earned from American Airlines for the six month period ended June 30, 2018 included $45.4 million of equipment revenue recognized due to its transition to the airline-directed model. See Note 1, “Basis of Presentation,” for additional information. Revenue earned from passengers on aircraft operated by American Airlines, which was under the turnkey model during the three and six month periods ended June 30, 2017, accounted for approximately 22% of consolidated revenue during such periods.

Revenue earned from passengers on aircraft operated by Delta Air Lines, which is under the turnkey model, accounted for approximately 23% and 22% of consolidated revenue, respectively, for the three and six month periods ended June 30, 2018 and 26% during both prior year periods.

One customer accounted for approximately 14% and 15%, respectively, of consolidated accounts receivable as of June 30, 2018 and December 31, 2017. Delta Air Lines, one of our airline partners, accounted for approximately 12% and 21%, respectively, of consolidated accounts receivable as of June 30, 2018 and December 31, 2017.

16. Employee Retirement and Postretirement Benefits

Stock-Based Compensation — As of June 30, 2018, we had three stock-based employee compensation plans (“Stock Plans”). See Note 11, “Stock-Based Compensation,” in our 2017 10-K for further information regarding these plans. Most of our equity grants are awarded on an annual basis.

For the six month period ended June 30, 2018, options to purchase 2,362,236 shares of common stock (of which 642,462 are options that contain a market condition, in addition to the time-based vesting requirements) were granted, options to purchase 2,500 shares of common stock were exercised, options to purchase 560,347 (of which 286,615 options contain a market condition) shares of common stock were forfeited, and options to purchase 573,478 shares of common stock expired.

For the six month period ended June 30, 2018, 966,599 Restricted Stock Units (“RSUs”) (of which 213,543 are RSUs that contain a market condition, in addition to the time-based vesting requirements) were granted, 443,284 RSUs vested and 196,160 RSUs (of which 66,137 contained a market condition) were forfeited.

For the six month period ended June 30, 2018, 90,871 restricted shares vested. These shares are deemed issued as of the date of grant, but not outstanding until they vest.

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Gogo Inc. and Subsidiaries

Notes to Unaudited Condensed Consolidated Financial Statements – (Continued)

For the six month period ended June 30, 2018, 66,220 Deferred Stock Units were granted and vested.

For the six month period ended June 30, 2018, 141,000 shares of common stock were issued under the employee stock purchase plan.

The following is a summary of our stock-based compensation expense by operating expense line in the unaudited condensed consolidated statements of operations (in thousands):

	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
	2018		2017		2018		2017
Cost of service revenue	$	447	$	332	$	881	$	790
Cost of equipment revenue		59		50		113		87
Engineering, design and development		783		1,054		1,693		1,904
Sales and marketing		1,226		1,419		2,308		2,168
General and administrative		1,698		2,539		3,604		4,775
Total stock-based compensation expense	$	4,213	$	5,394	$	8,599	$	9,724

401(k) Plan — Under our 401(k) plan, all employees who are eligible to participate, are entitled to make tax-deferred contributions, subject to Internal Revenue Service limitations. We match 100% of the employee’s first 4% of contributions made, subject to annual limitations. Our matching contributions were $1.3 million and $2.6 million, respectively, during the three and six month periods ended June 30, 2018, and $1.2 million and $2.8 million, respectively, for the prior year periods.

17. Research and Development Costs

Expenditures for research and development are charged to expense as incurred and totaled $18.0 million and $37.1 million, respectively, during the three and six month periods ended June 30, 2018, and $17.2 million and $39.3 million, respectively, for the prior year periods. Research and development costs are reported as a component of engineering, design and development expenses in our unaudited condensed consolidated statements of operations.

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SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS

Certain statements in this report may constitute “forward-looking” statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements include, without limitation, statements regarding our business outlook, industry, business strategy, plans, goals and expectations concerning our market position, international expansion, future technologies, future operations, margins, profitability, future efficiencies, capital expenditures, liquidity and capital resources and other financial and operating information. When used in this discussion, the words “anticipate,” “assume,” “believe,” “budget,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “will,” “future” and the negative of these or similar terms and phrases are intended to identify forward-looking statements in this Quarterly Report on Form 10-Q.

Forward-looking statements reflect our current expectations regarding future events, results or outcomes. These expectations may or may not be realized. Although we believe the expectations reflected in the forward-looking statements are reasonable, we can give you no assurance these expectations will prove to have been correct. Some of these expectations may be based upon assumptions, data or judgments that prove to be incorrect. Actual events, results and outcomes may differ materially from our expectations due to a variety of known and unknown risks, uncertainties and other factors. Although it is not possible to identify all of these risks and factors, they include, among others, the following:

• the loss of, or failure to realize benefits from, agreements with our airline partners or customers or any failure to renew any existing agreements upon expiration or termination;

• the failure to maintain airline and passenger satisfaction with our equipment or our service;

• any inability to timely and efficiently deploy our 2Ku service or develop and deploy the technology to which our ATG network evolves or other components of our technology roadmap for any reason, including technological issues and related remediation efforts, changes in regulations or regulatory delays or failures affecting us or our suppliers, some of whom are single source, or the failure by our airline partners or customers to roll out equipment upgrades or new services or adopt new technologies in order to support increased network capacity demands;

• the timing of deinstallation of our equipment from aircraft, including deinstallations resulting from aircraft retirements and other deinstallations permitted by certain airline contract provisions;

• the loss of relationships with original equipment manufacturers or dealers;

• our ability to make our equipment factory linefit available on a timely basis;

• our ability to develop or purchase ATG and satellite network capacity sufficient to accommodate current and expected growth in passenger demand in North America and internationally as we expand;

• our reliance on third-party suppliers, some of whom are single source, for satellite capacity and other services and the equipment we use to provide services to commercial airlines and their passengers and business aviation customers;

• unfavorable economic conditions in the airline industry and/or the economy as a whole;

• our ability to expand our international or domestic operations, including our ability to grow our business with current and potential future airline partners and customers and the effect of shifts in business models;

• an inability to compete effectively with other current or future providers of in-flight connectivity services and other products and services that we offer, including on the basis of price, service performance and line-fit availability;

• our ability to successfully develop and monetize new products and services such as Gogo Vision and Gogo TV, including those that were recently released, are currently being offered on a limited or trial basis, or are in various stages of development;

• our ability to certify and install our equipment and deliver our products and services, including newly developed products and services, on schedules consistent with our contractual commitments to customers;

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• the failure of our equipment or material defects or errors in our software resulting in recalls or substantial warranty claims;

• a revocation of, or reduction in, our right to use licensed spectrum, the availability of other air-to-ground spectrum to a competitor or the repurposing by a competitor of other spectrum for air-to-ground use;

• our use of open source software and licenses;

• the effects of service interruptions or delays, technology failures and equipment failures or malfunctions arising from defects or errors in our software or defects in or damage to our equipment;

• the limited operating history of our CA-ROW segment;

• contract changes and implementation issues resulting from decisions by airlines to transition from the turnkey model to the airline-directed model;

• increases in our projected capital expenditures due to, among other things, unexpected costs incurred in connection with the roll-out of our technology roadmap or our international expansion;

• compliance with U.S. and foreign government regulations and standards, including those related to regulation of the Internet, including e-commerce or online video distribution changes, and the installation and operation of satellite equipment and our ability to obtain and maintain all necessary regulatory approvals to install and operate our equipment in the United States and foreign jurisdictions;

• our, or our technology suppliers’, inability to effectively innovate;

• changes as a result of U.S. federal tax reform;

• costs associated with defending pending or future intellectual property infringement and other litigation or claims and any negative outcome or effect of pending or future litigation;

• our ability to protect our intellectual property;

• breaches of the security of our information technology network, resulting in unauthorized access to our customers’ credit card information or other personal information;

• our substantial indebtedness;

• limitations and restrictions in the agreements governing our indebtedness and our ability to service our indebtedness;

• our ability to obtain additional financing, or financing intended to refinance our existing indebtedness on acceptable terms or at all;

• fluctuations in our operating results;

• our ability to attract and retain customers and to capitalize on revenue from our platform;

• the demand for and market acceptance of our products and services;

• changes or developments in the regulations that apply to us, our business and our industry, including changes or developments affecting the ability of passengers or airlines to use our in-flight connectivity services, including the recent U.S. and U.K. bans on the use of certain personal devices such as laptops and tablets on certain aircraft flying certain routes;

• a future act or threat of terrorism, cyber-security attack or other events that could result in adverse regulatory changes or developments as referenced above, or otherwise adversely affect our business and industry;

• our ability to attract and retain qualified employees, including key personnel;

• the effectiveness of our marketing and advertising and our ability to maintain and enhance our brands;

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• our ability to manage our growth in a cost-effective manner and integrate and manage acquisitions;

• compliance with anti-corruption laws and regulations in the jurisdictions in which we operate, including the Foreign Corrupt Practices Act and the (U.K.) Bribery Act 2010;

• restrictions on the ability of U.S. companies to do business in foreign countries, including, among others, restrictions imposed by the U.S. Office of Foreign Assets Control;

• difficulties in collecting accounts receivable;

• our ability to successfully implement our new enterprise resource planning system, our new integrated business plan and other improvements to systems, operations, strategy and procedures needed to support our growth; and

• other risks and factors listed under “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2017, as filed with the Securities Exchange Commission (“SEC”) on February 22, 2017 (the “2017 10-K”) and in Item 1A of our Quarterly Report on Form 10-Q, as filed with the SEC on May 4, 2018 and this Quarterly Report on Form 10-Q, as filed with the SEC on August 8, 2018.

Any one of these factors or a combination of these factors could materially affect our financial condition or future results of operations and could influence whether any forward-looking statements contained in this report ultimately prove to be accurate. Our forward-looking statements are not guarantees of future performance, and you should not place undue reliance on them. All forward-looking statements speak only as of the date made and we undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

In addition, while we do, from time to time, communicate with securities analysts, it is against our policy to disclose to them any material non-public information or other confidential information. Accordingly, stockholders should not assume that we agree with any statement or report issued by any analyst irrespective of the content of the statement or report. Thus, to the extent that reports issued by securities analysts contain any projections, forecasts, or opinions, such reports are not our responsibility.

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis is intended to help the reader understand our business, financial condition, results of operations, liquidity and capital resources. You should read this discussion in conjunction with our unaudited condensed consolidated interim financial statements and the related notes contained elsewhere in this Quarterly Report on Form 10-Q. Unless the context otherwise indicates or requires, the terms “we,” “our,” “us,” “Gogo,” and the “Company,” as used in this report, refer to Gogo Inc. and its directly and indirectly owned subsidiaries as a combined entity, except where otherwise stated or where it is clear that the terms refer only to Gogo Inc. exclusive of its subsidiaries.

The statements in this discussion regarding industry outlook, our expectations regarding our future performance, liquidity and capital resources and other non-historical statements in this discussion are forward-looking statements. These forward-looking statements are subject to numerous risks and uncertainties, including, but not limited to, the risks and uncertainties described under “Risk Factors” in the 2017 10-K and Item 1A in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2018, and in this Quarterly Report on Form 10-Q, and in “Special Note Regarding Forward-Looking Statements” in this report. Our actual results may differ materially from those contained in or implied by any forward-looking statements.

Our fiscal year ends December 31 and, unless otherwise noted, references to “years” or “fiscal” are for fiscal years ended December 31. See “— Results of Operations.”

Company Overview

Gogo (“we”, “us”, “our”) is the global leader in providing broadband connectivity solutions and wireless in-flight entertainment to the aviation industry. We operate through the following three segments: Commercial Aviation North America, or “CA-NA,” Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.”

Services provided by our CA-NA and CA-ROW businesses include Passenger Connectivity, which allows passengers to connect to the Internet from their personal Wi-Fi-enabled devices; Passenger Entertainment, which offers passengers the opportunity to enjoy a broad selection of in-flight entertainment options on their personal Wi-Fi enabled devices; and Connected Aircraft Services (“CAS”), which offers airlines connectivity for various operations and currently include, among others, real-time credit card transaction processing, electronic flight bags and real-time weather information. Services are provided by CA-NA on commercial aircraft flying routes that generally begin and end within North America, which for this purpose includes the United States, Canada and Mexico. CA-ROW provides service on commercial aircraft operated by foreign-based commercial airlines and flights outside of North America for North American based commercial airlines. The routes included in our CA-ROW segment are those that begin and/or end outside of North America (as defined above) on which our international service is provided. BA provides in-flight Internet connectivity and other voice and data communications products and services and sells equipment for in-flight telecommunications to the business aviation market. BA services include Gogo Biz, our in-flight broadband service, Passenger Entertainment, our in-flight entertainment service, and satellite-based voice and data services through our strategic alliances with satellite companies.

Factors and Trends Affecting Our Results of Operations

We believe that our operating and business performance is driven by various factors that affect the commercial airline and business aviation industries, including trends affecting the travel industry and trends affecting the customer bases that we target, as well as factors that affect wireless Internet service providers and general macroeconomic factors. Key factors that may affect our future performance include:

• costs associated with the implementation of, and our ability to implement on a timely basis our technology roadmap, upgrades and installation of our ATG-4, 2Ku, the technology to which our ATG network evolves and other new technologies (including technological issues and related remediation efforts and failures or delays on the part of antenna and other equipment developers and providers, some of which are single source, or delays in obtaining STCs), the roll-out of our satellite services, the potential licensing or use of additional spectrum, and the implementation of improvements to our network and operations as technology changes and we experience increased network capacity constraints;

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• costs associated with, and our ability to execute, our international expansion, including modifications of our network to accommodate satellite technology, development and implementation of new satellite-based technologies, the availability of satellite capacity, costs of satellite capacity to which we may have to commit well in advance, and our ability to obtain and comply with foreign telecommunications, aviation and other licenses and approvals necessary for our international operations;

• costs associated with managing a rapidly growing company;

• costs associated with, and our ability to obtain, sufficient capacity for heavily-trafficked areas in the United States and internationally, the costs of which we may have to commit to well in advance;

• the pace and extent of adoption of our service for use on domestic and international commercial aircraft by our current and new airline partners and customers;

• the number of aircraft in service in our markets, including consolidation of the airline industry or changes in fleet size by one or more of our commercial airline partners or BA fractional ownership customers;

• the economic environment and other trends that affect both business and leisure aviation travel;

• the extent of passengers’ and aviation partners’ adoption of our products and services, which is affected by, among other things, willingness to pay for the services that we provide, the quality and reliability of our products and services, changes in technology and competition from current competitors and new market entrants;

• our ability to enter into and maintain long-term connectivity arrangements with airline partners and customers, which depends on numerous factors including the real or perceived availability, quality and price of our services and product offerings as compared to those offered by our competitors;

• the impact of a change in business models and contract terms on the profitability of our connectivity agreements with airline partners, including as a result of changes in accounting standards;

• our ability to engage suppliers of equipment components and network services on a timely basis and on commercially reasonable terms;

• costs and possible delays resulting from the U.S. government’s order prohibiting our supplier ZTE from buying, selling or engaging in other transactions that involve certain U.S. technology;

• costs relating to the implementation of our ongoing integrated business planning process, including restructuring charges;

• continued demand for connectivity and proliferation of Wi-Fi enabled devices, including smartphones, tablets and laptops;

• changes in domestic or foreign laws, regulations or policies that affect our business or the business of our customers and suppliers;

• changes in laws, regulations and interpretations affecting telecommunications services, including those affecting our ability to maintain our licenses for ATG spectrum in the United States, obtain sufficient rights to use additional ATG spectrum and/or other sources of broadband connectivity to deliver our services, expand our service offerings and manage our network; and

• changes in laws, regulations and interpretations affecting aviation, including, in particular, changes that impact the design of our equipment and our ability to obtain required certifications for our equipment.

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Key Business Metrics

Our management regularly reviews financial and operating metrics, including the following key operating metrics for the CA-NA, CA-ROW and BA segments, to evaluate the performance of our business and our success in executing our business plan, make decisions regarding resource allocation and corporate strategies, and evaluate forward-looking projections.

Commercial Aviation North America
	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
	2018		2017		2018		2017
Aircraft online (at period end)		2,809		2,791		2,809		2,791
Satellite		578		163		578		163
ATG		2,231		2,628		2,231		2,628
Total aircraft equivalents (average during the period)		2,876		2,816		2,894		2,794
Net annualized average monthly service revenue per aircraft equivalent (annualized ARPA) (in thousands)	$	113	$	114	$	108	$	114
Commercial Aviation Rest of World
	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
	2018		2017		2018		2017
Aircraft online (at period end)		459		318		459		318
Total aircraft equivalents (average during the period)		389		247		364		227
Net annualized ARPA (in thousands)	$	147	$	203	$	153	$	192

• Aircraft online. We define aircraft online as the total number of commercial aircraft on which our equipment is installed and service has been made commercially available as of the last day of each period presented. We assign aircraft to CA-NA or CA-ROW at the time of contract signing as follows: (i) all aircraft operated by North American airlines and under contract for ATG or ATG-4 service are assigned to CA-NA, (ii) all aircraft operated by North American airlines and under a contract for satellite service are assigned to CA-NA or CA-ROW based on whether the routes flown by such aircraft under the contract are anticipated to be predominantly within or outside of North America at the time the contract is signed, and (iii) all aircraft operated by non-North American airlines and under a contract are assigned to CA-ROW. All aircraft online for the CA-ROW segment are equipped with our satellite equipment.

• Aircraft equivalents. We define aircraft equivalents for a segment as the number of commercial aircraft online (as defined above) multiplied by the percentage of flights flown by such aircraft within the scope of that segment, rounded to the nearest whole aircraft and expressed as an average of the month end figures for each month in the period. This methodology takes into account the fact that during a particular period certain aircraft may fly routes outside the scope of the segment to which they are assigned for purposes of the calculation of aircraft online.

• Net annualized average monthly service revenue per aircraft equivalent (“ARPA”). We define net annualized ARPA as the aggregate service revenue plus monthly service fees, some of which are reported as a reduction to cost of service revenue for that segment for the period, less revenue share expense and other transactional costs which are included in cost of service revenue for that segment, divided by the number of months in the period, and further divided by the number of aircraft equivalents (as defined above) for that segment during the period, which is then annualized and rounded to the nearest thousand. Beginning with the three month period ended March 31, 2018, we changed the calculation of ARPA to be net of revenue share expense and other transactional expenses in order to better reflect the financial statement impact of revenues generated under both the turnkey model and airline-directed model. The amounts reported above for the three and six month periods ended June 30, 2018 and 2017 reflect this change in methodology. ARPA for the CA-NA segment for both the three and six month periods ended June 30, 2017 was originally reported as $141 thousand. ARPA for the CA-ROW segment for the three and six month periods ended June 30, 2017 was originally reported as $226 thousand and $215 thousand, respectively.

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Business Aviation
	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
	2018		2017		2018		2017
Aircraft online (at period end)
Satellite		5,204		5,464		5,204		5,464
ATG		4,920		4,453		4,920		4,453
Average monthly service revenue per aircraft online
Satellite	$	228	$	236	$	239	$	230
ATG		3,027		2,872		3,032		2,835
Units Sold
Satellite		113		99		217		187
ATG		281		197		531		386
Average equipment revenue per unit sold (in thousands)
Satellite	$	39	$	42	$	40	$	44
ATG		67		52		65		54

• Satellite aircraft online. We define satellite aircraft online as the total number of business aircraft for which we provide satellite services as of the last day of each period presented.

• ATG aircraft online. We define ATG aircraft online as the total number of business aircraft for which we provide ATG services as of the last day of each period presented.

• Average monthly service revenue per satellite aircraft online. We define average monthly service revenue per satellite aircraft online as the aggregate satellite service revenue for the period divided by the number of months in the period, divided by the number of satellite aircraft online during the period (expressed as an average of the month end figures for each month in such period).

• Average monthly service revenue per ATG aircraft online. We define average monthly service revenue per ATG aircraft online as the aggregate ATG service revenue for the period divided by the number of months in the period, divided by the number of ATG aircraft online during the period (expressed as an average of the month end figures for each month in such period).

• Units sold. We define units sold as the number of satellite or ATG units for which we recognized revenue during the period. In the three and six months ended June 30, 2018, we recognized revenue on eight and 15 AVANCE units, respectively, that were previously deferred.

• Average equipment revenue per satellite unit sold. We define average equipment revenue per satellite unit sold as the aggregate equipment revenue earned from all satellite units sold during the period, divided by the number of satellite units sold.

• Average equipment revenue per ATG unit sold. We define average equipment revenue per ATG unit sold as the aggregate equipment revenue from all ATG units sold during the period, divided by the number of ATG units sold.

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Key Components of Consolidated Statements of Operations

There have been no material changes to our key components of unaudited condensed consolidated statements of operations and segment profit (loss) as described in “Management’s Discussion and Analysis of Financial Condition and Results of Operations” (“MD&A”) in our 2017 10-K.

Off-Balance Sheet Arrangements

We do not have any obligations that meet the definition of an off-balance sheet arrangement, other than operating leases, which have or are reasonably likely to have a material effect on our results of operations. See Note 11, “Leases” to our unaudited condensed consolidated financial statements for further information.

Critical Accounting Policies and Estimates

Our discussion and analysis of our financial condition and results of operations are based on our unaudited condensed consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). The preparation of our unaudited condensed consolidated financial statements and related disclosures require us to make estimates, assumptions and judgments that affect the reported amount of assets, liabilities, revenue, costs and expenses, and related exposures. We base our estimates and assumptions on historical experience and other factors that we believe to be reasonable under the circumstances. In some instances, we could reasonably use different accounting estimates, and in some instances results could differ significantly from our estimates. We evaluate our estimates and assumptions on an ongoing basis. To the extent that there are differences between our estimates and actual results, our future financial statement presentation, financial condition, results of operations and cash flows will be affected.

Revenue Recognition:

We account for revenue in accordance with ASC 606 and our CA-NA and CA-ROW airline-directed contracts contain multiple performance obligations, which primarily include the sale of equipment, installation services, connectivity services and entertainment services. For these contracts, we account for each distinct good or service as a separate performance obligation. We allocate the contract’s transaction price to each performance obligation using the relative standalone selling price, which is based on the actual selling price for any good or service sold separately to a similar class of customer, if available. To the extent a good or service is not sold separately, we use our best estimate of the standalone selling price and maximize the use of observable inputs. The primary method we use to estimate the standalone selling price is the expected cost-plus margin approach.

The contractual consideration used for allocation purposes includes connectivity and entertainment services, which may be based on a fixed monthly fee per aircraft or a variable fee based on the volume of connectivity activity, or a combination of both. Examples of variable consideration within our contracts include megabyte overages and pay-per-use sessions.

We constrain our estimates to reduce the probability of a significant revenue reversal in future periods, allocate such variable consideration to the identified performance obligations and recognize revenue in the period the services are provided. Our estimates are based on historical experience, anticipated future performance, market conditions and our best judgment at the time.

A significant change in one or more of these estimates could affect our estimated contract value. For example, estimates of variable revenue within certain contracts require estimation of the number of sessions or megabytes that will be purchased over the contract term. Estimated revenue under these contracts anticipates increases in take rates over time consistent with our historical experience. Our estimated contract revenue may differ significantly from our initial estimates to the extent actual take rates differ from our historical experience.

As such, we regularly review and update our estimates and recognize adjustments under the cumulative catch-up method. Any adjustments under this method are recorded as a cumulative adjustment in the period identified and revenue for future periods is recognized using the new adjusted estimate.

See Note 3, “Revenue Recognition,” for additional information.

We believe that the assumptions and estimates associated with revenue recognition, long-lived assets, indefinite-lived assets and stock-based compensation have the greatest potential impact on our unaudited condensed consolidated financial statements. Therefore, we consider these to be our critical accounting policies and estimates.

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Other than the addition of revenue recognition noted above, there have been no material changes to our critical accounting policies and estimates as compared to the critical accounting policies and estimates described in MD&A in our 2017 10-K.

Recent Accounting Pronouncements

See Note 2, “Recent Accounting Pronouncements,” to our unaudited condensed consolidated financial statements for additional information.

Results of Operations

The following table sets forth, for the periods presented, certain data from our unaudited condensed consolidated statements of operations. The information contained in the table below should be read in conjunction with our unaudited condensed consolidated financial statements and related notes.

Unaudited Condensed Consolidated Statement of Operations Data
(in thousands)
	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Revenue:
Service revenue	$	159,056		$	154,076		$	309,734		$	300,571
Equipment revenue		68,402			18,724			149,549			37,635
Total revenue		227,458			172,800			459,283			338,206
Operating expenses:
Cost of service revenue (exclusive of items shown below)		73,650			69,127			148,597			133,940
Cost of equipment revenue (exclusive of items shown below)		64,350			14,649			116,643			26,297
Engineering, design and development		28,409			35,685			58,186			71,949
Sales and marketing		15,427			16,564			31,328			30,959
General and administrative		21,133			23,549			46,292			46,098
Depreciation and amortization		31,938			30,562			67,857			60,997
Total operating expenses		234,907			190,136			468,903			370,240
Operating loss		(7,449	)		(17,336	)		(9,620	)		(32,034	)
Other (income) expense:
Interest income		(1,328	)		(771	)		(2,404	)		(1,316	)
Interest expense		30,641			27,226			61,195			54,169
Other (income) expense		374			56			(131	)		94
Total other expense		29,687			26,511			58,660			52,947
Loss before income taxes		(37,136	)		(43,847	)		(68,280	)		(84,981	)
Income tax provision (benefit)		71			362			(3,654	)		595
Net loss	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)

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Three and Six Months Ended June 30, 2018 and 2017

Revenue:

Revenue by segment and percent change for the three and six month periods ended June 30, 2018 and 2017 were as follows (in thousands, except for percent change):

	For the Three Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
Service Revenue:
CA-NA	$	95,746	$	98,679		(3.0	%)
BA		48,125		42,209		14.0	%
CA-ROW		15,185		13,188		15.1	%
Total Service Revenue	$	159,056	$	154,076		3.2	%
Equipment Revenue:
CA-NA	$	23,904	$	2,272		952.1	%
BA		26,038		15,567		67.3	%
CA-ROW		18,460		885		1,985.9	%
Total Equipment Revenue	$	68,402	$	18,724		265.3	%
Total Revenue:
CA-NA	$	119,650	$	100,951		18.5	%
BA		74,163		57,776		28.4	%
CA-ROW		33,645		14,073		139.1	%
Total Revenue	$	227,458	$	172,800		31.6	%
	For the Six Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
Service Revenue:
CA-NA	$	184,529	$	195,824		(5.8	%)
BA		95,775		82,191		16.5	%
CA-ROW		29,430		22,556		30.5	%
Total Service Revenue	$	309,734	$	300,571		3.0	%
Equipment Revenue:
CA-NA	$	78,942	$	3,943		1,902.1	%
BA		47,223		31,889		48.1	%
CA-ROW		23,384		1,803		1,196.9	%
Total Equipment Revenue	$	149,549	$	37,635		297.4	%
Total Revenue:
CA-NA	$	263,471	$	199,767		31.9	%
BA		142,998		114,080		25.3	%
CA-ROW		52,814		24,359		116.8	%
Total Revenue	$	459,283	$	338,206		35.8	%

Commercial Aviation North America:

CA-NA revenue increased to $119.7 million and $263.5 million, respectively, for the three and six month periods ended June 30, 2018 as compared with $101.0 million and $199.8 million for the prior year periods, primarily due to an increase in equipment revenue offset in part by a decrease in service revenue.

Equipment revenue increased to $23.9 million and $78.9 million, respectively, for the three and six month periods ended June 30, 2018 as compared with $2.3 million and $3.9 million, respectively, for the prior year periods due to the post adoption impact of ASC 606 for equipment shipments during the three and six month period ended June 30, 2018, which is now fully recognized upon customer acceptance. Additionally, the transition to the airline-directed model by one airline in January 2018 increased revenue by approximately $45.4 million for the six month period ended June 30, 2018 compared with the prior year period; see Note 1, “Basis of Presentation” for additional information.

38

A summary of the components of CA-NA’s service revenue for the three and six month periods ended June 30, 2018 and 2017 is as follows (in thousands, except for percent change):

	For the Three Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
Passenger Connectivity revenue (1)	$	88,833	$	92,565		(4.0	%)
Passenger Entertainment and CAS revenue		6,913		6,114		13.1	%
Total service revenue	$	95,746	$	98,679		(3.0	%)
	For the Six Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
Passenger Connectivity revenue (1)	$	170,873	$	184,003		(7.1	%)
Passenger Entertainment and CAS revenue		13,656		11,821		15.5	%
Total service revenue	$	184,529	$	195,824		(5.8	%)

(1) Includes non-session related revenue of $2.7 million and $4.0 million, respectively, for the three and six month periods ended June 30, 2018, and $2.1 million and $4.6 million, respectively, for the prior year periods.

CA-NA service revenue decreased to $95.7 million and $184.5 million, respectively, for the three and six month periods ended June 30, 2018 as compared with $98.7 million and $195.8 million, respectively, for the prior year periods due to a decrease in passenger connectivity revenue offset in part by an increase in passenger entertainment and CAS revenue.

CA-NA Passenger Connectivity revenue decreased to $88.8 million and $170.9 million, respectively, for the three and six month periods ended June 30, 2018 as compared with $92.6 million and $184.0 million, respectively, for the prior year periods due to a decrease in passenger-paid revenue offset in part by an increase in airline-paid revenue, which was due primarily to the transition of one of our airline partners to the airline-directed model from the turnkey model and, to a lesser extent, an increase in third party-paid revenue. Under the turnkey model, we are required to pay each airline a percentage of the service revenue we generate from transactions with the airline’s passengers. The revenue share expense is included within cost of service revenue. However, under the airline-directed model, we generate revenue directly from the airline and do not incur revenue share expense. Therefore, the decrease in service revenue under the airline-directed model is offset by a reduction to our revenue share expense within cost of service revenue. We refer to this internally as “differences in business terms.” Service revenue also decreased due to the economic impact of the same airline partner’s transition to the airline-directed model.

Net annualized ARPA decreased to $113 thousand and $108 thousand, respectively, for the three and six month periods ended June 30, 2018, as compared with $114 thousand for both prior year periods. The connectivity take rate increased to 11.2% and 10.9%, respectively, for the three and six month periods ended June 30, 2018, as compared with 7.7% and 8.0%, respectively, for the prior year periods, reflecting increased passenger adoption including the impact of third party-paid and airline-paid offerings. Average revenue per session decreased to $7.08 and $7.38, respectively, for the three and six month periods ended June 30, 2018, as compared with $10.86 and $11.01, respectively, for the prior year periods, due to shifts in product mix, third party-paid and airline-paid offerings, as well as the differences in business terms and the economic impact of one of our airline partner’s transition to the airline-directed model, as discussed above.

The increase in Passenger Entertainment and CAS revenue to $6.9 million and $13.7 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $6.1 million and $11.8 million, respectively, for the prior year periods was due to increased usage of Passenger Entertainment services under business-to-business arrangements with our airline partners.

We expect service revenue for CA-NA to decrease in the near-term due to differences in business terms as a result of one of our airline partners transitioning to the airline-directed model and the decommissioning of certain American Airlines aircraft during 2018.

39

As the recognition of CA-NA equipment revenue is a function of equipment installation schedules, equipment revenue will be driven by our ability to execute our existing airline partner contracts, as well as entering into new contracts.

Business Aviation:

BA revenue increased to $74.2 million and $143.0 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $57.8 million and $114.1 million, respectively, for the prior year periods primarily due to increases in both service and equipment revenue.

BA service revenue increased to $48.1 million and $95.8 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $42.2 million and $82.2 million, respectively, for the prior year periods primarily due to additional customers subscribing to our Gogo Biz (ATG) service. The number of ATG aircraft online increased 10.5% to 4,920 as of June 30, 2018, as compared with 4,453 as of June 30, 2017.

BA equipment revenue increased to $26.0 million and $47.2 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $15.6 million and $31.9 million, respectively, for the prior year periods due primarily to an increase in ATG equipment revenue.

Under a sales program for AVANCE (formerly referred to as Gogo Biz 4G) equipment that started in 2016, we have a remaining deferred equipment revenue balance of approximately $1.6 million as of June 30, 2018 related to a free upgrade program under which we shipped ATG and UCS equipment to customers who have a right to exchange that equipment for AVANCE equipment. During the three and six month periods ended June 30, 2018, we shipped eight and 15 AVANCE units, respectively, under this program and recognized $2.7 million and $3.3 million, respectively, of previously deferred equipment revenue. We will recognize the remaining deferred revenue upon the shipment of the AVANCE equipment in the second half of 2018.

Commercial Aviation Rest of World:

CA-ROW revenue increased to $33.6 million and $52.8 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $14.1 million and $24.4 million, respectively, for the prior year periods, due to an increase in both service and equipment revenue.

CA-ROW service revenue increased to $15.2 million and $29.4 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $13.2 million and $22.6 million, respectively, for the prior year periods, due to performance improvements on existing airline partners’ aircraft and an increase in aircraft equivalents. Annualized net ARPA for the CA-ROW segment decreased to $147 thousand and $153 thousand, respectively, for the three and six month periods ended June 30, 2018, as compared with $203 thousand and $192 thousand, respectively, for the prior year periods due to new airline partners’ aircraft coming online during the three and six month periods ended June 30, 2018.

CA-ROW equipment revenue increased to $18.5 million and $23.4 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $0.9 million and $1.8 million, respectively, for the prior year periods primarily due to the post adoption impact of ASC 606 for equipment shipments during the three and six month periods ended June 30, 2018, which is now fully recognized upon customer acceptance.

As the recognition of CA-ROW equipment revenue is a function of equipment installation schedules, equipment revenue will be driven by our ability to execute our existing airline partner contracts as well as entering into new contracts.

40

Cost of Service Revenue:

Cost of service revenue by segment and percent for the three and six month periods ended June 30, 2018 and 2017 were as follows (in thousands, except for percent change):

	For the Three Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
CA-NA	$	45,594	$	37,954		20.1	%
BA		10,086		9,877		2.1	%
CA-ROW		17,970		21,296		(15.6	%)
Total	$	73,650	$	69,127		6.5	%
	For the Six Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
CA-NA	$	92,147	$	74,701		23.4	%
BA		21,200		19,386		9.4	%
CA-ROW		35,250		39,853		(11.5	%)
Total	$	148,597	$	133,940		10.9	%

CA-NA cost of service revenue increased to $45.6 million and $92.1 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $38.0 million and $74.7 million, respectively, for the prior year periods due to increases in network operations expenses (including satellite service fees), aircraft operations expenses and a decrease in the amortization of deferred airborne lease incentives offset in part by a decrease in revenue share expense. The changes in amortization of deferred airborne lease incentives and revenue share was due primarily to the transition of one of our airline agreements from the turnkey model to the airline-directed model. See Note 11, “Leases” to our consolidated financial statements for additional information regarding our deferred airborne lease incentives.

BA cost of service revenue increased to $10.1 million and $21.2 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $9.9 million and $19.4 million, respectively, for the prior year periods. The increase was primarily due to increased ATG units online and, to a lesser extent, an increase in satellite service fees.

CA-ROW cost of service revenue decreased to $18.0 million and $35.3 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $21.3 million and $39.9 million, respectively, for the prior year periods primarily due to a decrease in certain airline launch costs and network operations expenses.

We expect CA-NA cost of service revenue to increase mainly due to increased satellite service fees for additional aircraft operating on our satellite network and costs associated with remediation of quality issues associated with our 2Ku technology.

As we expand our CA-ROW business, we expect to incur additional cost of service revenue in CA-ROW, reflecting increased satellite usage, operations and network related expenses. However, we expect to see increased utilization of our network as we install additional aircraft.

41

Cost of Equipment Revenue:

Cost of equipment revenue by segment and percent change for the three and six month periods ended June 30, 2018 and 2017 were as follows (in thousands, except for percent change):

	For the Three Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
CA-NA	$	29,312	$	3,214		812.0	%
BA		15,268		10,600		44.0	%
CA-ROW		19,770		835		2,267.7	%
Total	$	64,350	$	14,649		339.3	%
	For the Six Months				% Change
	Ended June 30,				2018 over
	2018		2017		2017
CA-NA	$	64,798	$	4,581		1,314.5	%
BA		27,724		20,237		37.0	%
CA-ROW		24,121		1,479		1,530.9	%
Total	$	116,643	$	26,297		343.6	%

Cost of equipment revenue increased to $64.4 million and $116.6 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $14.6 million and $26.3 million, respectively, for the prior year periods.

The increase in CA-NA for the three and six month periods ended June 30, 2018 as compared with the prior year periods was due to an increase in equipment revenue, an increase in warranty reserves due to additional activity under airline-directed models and costs associated with remediation of quality issues associated with our 2Ku technology. Additionally, the transition to the airline-directed model by one airline in January 2018 increased cost of equipment revenue by approximately $26.1 million for the six month period ended June 30, 2018 compared with the prior year period; see Note 1, “Basis of Presentation” for additional information.

The increase in BA was due to an increase in equipment revenue and changes in product mix.

The increase in CA-ROW was due to the increase in equipment revenue, an increase in warranty reserves due to additional activity under airline-directed models and costs associated with remediation of quality issues associated with our 2Ku technology.

We expect that our cost of equipment revenue will vary with changes in installations and equipment revenue and, for CA-NA and CA-ROW, costs associated with remediation of quality issues associated with our 2Ku technology.

Engineering, Design and Development Expenses:

Engineering, design and development expenses decreased 20.4% and 19.1% to $28.4 million and $58.2 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $35.7 million and $71.9 million, respectively, for the prior year periods. The decrease for the three month period ended June 30, 2018 as compared with the prior year period was due to decreased expenses in all three segments, due primarily to a decrease in outside services, while the decrease for the six month period ended June 30, 2018 as compared with the prior year period was due to a decrease in CA-NA expenses while CA-ROW and BA expenses remained relatively flat.

Engineering, design and development expenses for the CA-NA segment decreased due to the recognition of approximately $11.8 million of expenses during the six month period ended June 30, 2017, related to the development of our next generation ATG solution, primarily due to the achievement of a major milestone, while no such milestone occurred during the six month period ended June 30, 2018.

We expect consolidated engineering, design and development expenses to decrease as a percentage of consolidated revenue over time.

42

Sales and Marketing Expenses:

Sales and marketing expenses decreased 6.9% to $15.4 million for the three month period ended June 30, 2018, as compared with $16.6 million, for the prior year period due to decreases in CA-NA and CA-ROW offset in part by an increase in BA. Sales and marketing expenses increased 1.2% to $31.3 million for the six month period ended June 30, 2018, as compared with $31.0 million for the prior year period. Consolidated sales and marketing expenses as a percentage of total consolidated revenue was 6.8% and 6.8%, respectively, for the three and six month periods ended June 30, 2018, as compared with 9.6% and 9.2%, respectively, for the prior year periods.

We expect consolidated sales and marketing expenses to decrease as a percentage of consolidated revenue over time.

General and Administrative Expenses:

General and administrative expenses decreased 10.3% to $21.1 million for the three month period ended June 30, 2018, as compared with $23.5 million for the prior year period due to a decrease in CA-NA due primarily to a decrease in personnel related expenses. General and administrative expenses increased 0.4% to $46.3 million for the three month period ended June 30, 2018, as compared with $46.1 million for the prior year period. Consolidated general and administrative expenses as a percentage of total consolidated revenue was 9.3% and 10.1% for the three and six month periods ended June 30, 2018, as compared with 13.6% for both prior year periods.

Related to our new Integrated Business Plan, we expect to record a severance expense of approximately $2 million in the third quarter of 2018. However, we expect general and administrative expenses to decrease as a percentage of consolidated revenue as we realize economies of scale.

Segment Profit (Loss):

CA-NA’s segment profit decreased 56.5% and 68.2% to $7.0 million and $8.7 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $16.2 million and $27.4 million, respectively, for the prior year periods due to the changes as discussed above.

BA’s segment profit increased 45.5% and 34.5% to $36.7 million and $69.0 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $25.2 million and $51.3 million, respectively, for the prior year periods primarily due to the changes as discussed above.

CA-ROW’s segment loss decreased 22.1% and 18.8% to $24.5 million and $47.1 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $31.4 million and $58.0 million, respectively, for the prior year periods due to increases in service and equipment revenue, partially offset by increases in operating expenses, as discussed above.

Depreciation and Amortization:

Depreciation and amortization expense increased 4.5% and 11.2% to $31.9 million and $67.9 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $30.6 million and $61.0 million, respectively, for the prior year periods due to the increase in the number of aircraft outfitted with our airborne equipment by our CA-ROW and CA-NA segments and amortization of capitalized software. These increases were partially offset by the transition of one of our airline agreements from the turnkey model to the airline-directed model.

We expect our depreciation and amortization expense to decrease slightly in 2018 as compared with 2017 as many of the accelerated depreciation programs will complete in 2018 and a greater percentage of installs will be under the airline-directed model.

43

Other (Income) Expense:

Other (income) expense and percent change for the three and six month periods ended June 30, 2018 and 2017 were as follows (in thousands, except for percent change):

	For the Three Months						% Change
	Ended June 30,						2018 over
	2018			2017			2017
Interest income	$	(1,328	)	$	(771	)		72.2	%
Interest expense		30,641			27,226			12.5	%
Other (income) expense		374			56			567.9	%
Total	$	29,687		$	26,511			12.0	%
	For the Six Months						% Change
	Ended June 30,						2018 over
	2018			2017			2017
Interest income	$	(2,404	)	$	(1,316	)		82.7	%
Interest expense		61,195			54,169			13.0	%
Other (income) expense		(131	)		94			na
Total	$	58,660		$	52,947			10.8	%

Total other expense was $29.7 million and $58.7 million, respectively, for the three and six month periods ended June 30, 2018, as compared with $26.5 million and $52.9 million, respectively, for the prior year periods. Interest expense increased during the three and six month periods ended June 30, 2018 as compared with the prior year periods due to higher average debt levels outstanding during the current year as compared with the prior year period.

We expect our interest expense to increase due to higher average debt outstanding because of the issuances of the September 2017 Additional Notes and the associated amortization of deferred financing fees offset in part by the amortization of the debt premium. See Note 9, “Long-Term Debt and Other Liabilities,” in our unaudited condensed consolidated financial statements for additional information.

Income Taxes:

The effective income tax rates for the three and six month periods ended June 30, 2018 were (0.2%) and 5.4%, respectively, as compared with (0.8%) and (0.7%), respectively, for the prior year periods. An income tax benefit was recorded for the six month period ended June 30, 2018 resulting from a reduction in our valuation allowance of approximately $4.0 million due to the application of provisions of H.R. 1, commonly known as the Tax Cuts and Jobs Act, to our evaluation of our deferred tax assets. For the three and six months ended June 30, 2017, our income tax expense was not significant primarily due to the recording of a valuation allowance against our net deferred tax assets.

We expect our income tax provision to increase in future periods to the extent we become profitable.

Non-GAAP Measures

In our discussion below, we discuss certain non-GAAP financial measurements, including Adjusted EBITDA and Cash CAPEX as defined below. Management uses Adjusted EBITDA and Cash CAPEX for business planning purposes, including managing our business against internally projected results of operations and measuring our performance and liquidity. These supplemental performance measures also provide another basis for comparing period to period results by excluding potential differences caused by non-operational and unusual or non-recurring items. These supplemental performance measurements may vary from and may not be comparable to similarly titled measures by other companies. Adjusted EBITDA and Cash CAPEX are not recognized measurements under accounting principles generally accepted in the United States, or GAAP, and when analyzing our performance with Adjusted EBITDA or liquidity with Cash CAPEX, as applicable, investors should (i) evaluate each adjustment in our reconciliation to net loss attributable to common stock, and the explanatory footnotes regarding those adjustments, (ii) use Adjusted EBITDA in addition to, and not as an alternative to, net loss attributable to common stock as a measure of operating results, and (iii) use Cash CAPEX in addition to, and not as an alternative to, consolidated capital expenditures when evaluating our liquidity.

44

Definition and Reconciliation of Non-GAAP Measures

EBITDA represents net income (loss) attributable to common stock before income taxes, interest income, interest expense, depreciation expense and amortization of other intangible assets.

Adjusted EBITDA represents EBITDA adjusted for (i) stock-based compensation expense, (ii) amortization of deferred airborne lease incentives, (iii) amortization of STC costs and (iv) the accounting impact of the transition to the airline-directed model. Our management believes that the use of Adjusted EBITDA eliminates items that, management believes, have less bearing on our operating performance, thereby highlighting trends in our core business which may not otherwise be apparent. It also provides an assessment of controllable expenses, which are indicators management uses to determine whether current spending decisions need to be adjusted in order to meet financial goals and achieve optimal financial performance.

We believe the exclusion of stock-based compensation expense from Adjusted EBITDA is appropriate given the significant variation in expense that can result from using the Black-Scholes model to determine the fair value of such compensation. The fair value of our stock options is determined using the Black-Scholes model and varies based on fluctuations in the assumptions used in this model, including inputs that are not necessarily directly related to the performance of our business, such as the expected volatility, the risk-free interest rate and the expected life of the options. Therefore, we believe the exclusion of this cost provides a clearer view of the operating performance of our business. Further, stock option grants made at a certain price and point in time do not necessarily reflect how our business is performing at any particular time. While we believe that investors should have information about any dilutive effect of outstanding options and the cost of that compensation, we also believe that stockholders should have the ability to consider our performance using a non-GAAP financial measure that excludes these costs and that management uses to evaluate our business.

We believe the exclusion of the amortization of deferred airborne lease incentives and amortization of STC costs from Adjusted EBITDA is useful as it allows an investor to view operating performance across time periods in a manner consistent with how management measures segment profit and loss (see Note 15, “Business Segments and Major Customers,” for a description of segment profit (loss) in our unaudited condensed consolidated financial statements). Management evaluates segment profit and loss in this manner, excluding the amortization of deferred airborne lease incentives and amortization of STC costs, because such presentation reflects operating decisions and activities from the current period, without regard to the prior period decision or the form of connectivity agreements.

We believe it is useful for an understanding of our operating performance to exclude the accounting impact of the transition by one of our airline partners to the airline-directed model from Adjusted EBITDA because of the non-recurring nature of this activity.

We also present Adjusted EBITDA as a supplemental performance measure because we believe that this measure provides investors, securities analysts and other users of our financial statements with important supplemental information with which to evaluate our performance and to enable them to assess our performance on the same basis as management.

Cash CAPEX represents capital expenditures net of airborne equipment proceeds received from the airlines. We believe Cash CAPEX provides a more representative indication of our liquidity requirements with respect to capital expenditures, as under certain agreements with our airline partners we are reimbursed for all or a substantial portion of the cost of our airborne equipment, thereby reducing our cash capital requirements.

45

Gogo Inc. and Subsidiaries

Reconciliation of GAAP to Non-GAAP Measures

(in thousands, except per share amounts)

(unaudited)

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Adjusted EBITDA:
Net loss attributable to common stock (GAAP)	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Interest expense		30,641			27,226			61,195			54,169
Interest income		(1,328	)		(771	)		(2,404	)		(1,316	)
Income tax provision (benefit)		71			362			(3,654	)		595
Depreciation and amortization		31,938			30,562			67,857			60,997
EBITDA		24,115			13,170			58,368			28,869
Stock-based compensation expense		4,213			5,394			8,599			9,724
Amortization of deferred airborne lease incentives		(7,462	)		(8,630	)		(15,092	)		(17,978	)
Amortization of STC costs		255			—			427			—
Transition to airline-directed model		(2,249	)		—			(21,551	)		—
Adjusted EBITDA	$	18,872		$	9,934		$	30,751		$	20,615
Cash CAPEX:
Consolidated capital expenditures (GAAP) (1)	$	(52,508	)	$	(74,135	)	$	(115,166	)	$	(145,743	)
Change in deferred airborne lease incentives (2)		(1,015	)		(111	)		(2,711	)		3,505
Amortization of deferred airborne lease incentives (2)		7,348			8,608			14,864			17,917
Cash CAPEX	$	(46,175	)	$	(65,638	)	$	(103,013	)	$	(124,321	)

(1) See unaudited condensed consolidated statements of cash flows.

(2) Excludes deferred airborne lease incentives and related amortization associated with STC costs for the three and six month periods ended June 30, 2018 and 2017 as STC costs are expensed as incurred as part of Engineering, Design and Development.

Material limitations of Non-GAAP measures

Although EBITDA, Adjusted EBITDA and Cash CAPEX are measurements frequently used by investors and securities analysts in their evaluations of companies, EBITDA, Adjusted EBITDA and Cash CAPEX each have limitations as an analytical tool, and you should not consider them in isolation or as a substitute for, or more meaningful than, amounts determined in accordance with GAAP.

Some of these limitations include:

• EBITDA and Adjusted EBITDA do not reflect interest income or expense;

• EBITDA and Adjusted EBITDA do not reflect cash requirements for our income taxes;

• EBITDA and Adjusted EBITDA do not reflect depreciation and amortization, which are significant and unavoidable operating costs given the level of capital expenditures needed to maintain our business;

• Adjusted EBITDA does not reflect non-cash components of employee compensation;

• Cash CAPEX does not reflect the full extent of capital investments we have made in our operations; and

• since other companies in our or related industries may calculate these measures differently from the way we do, their usefulness as comparative measures may be limited.

46

Liquidity and Capital Resources

The following table presents a summary of our cash flow activity for the periods set forth below (in thousands):

	For the Six Months
	Ended June 30,
	2018			2017
Net cash (used in) provided by operating activities	$	(29,029	)	$	2,388
Net cash used in investing activities		(25,565	)		(90,507	)
Net cash (used in) provided by financing activities		(1,444	)		66,416
Effect of foreign exchange rate changes on cash		(373	)		317
Net decrease in cash, cash equivalents and restricted cash		(56,411	)		(21,386	)
Cash, cash equivalents and restricted cash at the beginning of period		203,729			125,189
Cash, cash equivalents and restricted cash at the end of period	$	147,318		$	103,803
Supplemental information:
Cash, cash equivalents and restricted cash at the end of period	$	147,318		$	103,803
Less: current restricted cash		1,738			514
Less: non-current restricted cash		5,160			6,873
Cash and cash equivalents at the end of the period	$	140,420		$	96,416
Short-term investments	$	123,191		$	283,241

We have historically financed our growth and cash needs primarily through the issuance of common stock, non-convertible debt, senior convertible preferred stock, convertible debt, term facilities and cash from operating activities. We continually evaluate our ongoing capital needs in light of increasing demand for our services, capacity requirements, evolving technologies in our industry and related strategic, operational and technological opportunities. We actively consider opportunities to raise additional capital in the public and private markets utilizing one or more of the types of capital raising transactions through which we have historically financed our growth and cash needs, as well as other means of capital raising not previously used by us.

Liquidity:

Although we can provide no assurances, we currently believe that cash, cash equivalents and short-term investments on hand as of June 30, 2018 will be sufficient to meet our working capital and capital expenditure requirements for at least the next twelve months, including costs associated with installing our airborne equipment on certain aircraft operated by our airline partners, continuing our international expansion and evolving our ATG network. Excluding the impact of our initial public offering in June 2013, the Amended and Restated Senior Term Facility, the Convertible Notes and the Senior Secured Notes, we have not generated positive cash flows on a consolidated basis, and our ability to do so will depend in large part on our ability to increase revenue in each of our three business segments. In addition, our ability to generate positive cash flows from operating activities and the timing of certain capital and other necessary expenditures are subject to numerous variables, such as costs related to international expansion and execution of our current technology roadmap, including 2Ku, evolution of our ATG network and other potential future technologies. We currently believe that cash on hand, comprised of cash, cash equivalents and short-term investments, and cash flows provided by operating activities and, if necessary, additional equity financings or the incurrence of additional debt, will be sufficient to meet our liquidity needs in the longer-term, including our continued international expansion and execution of our current technology roadmap. The Indenture governing our Senior Secured Notes contains covenants that limit the ability of GIH and its subsidiaries to incur additional indebtedness. Additionally, the Indenture governing the Senior Secured Notes limits the amount of cash GIH and its subsidiaries may distribute to us, including cash distributed to us to pay interest on the Convertible Notes, to pay any interest on indebtedness incurred, or pay dividends on preferred stock issued by us to refinance, replace, renew or refund the Convertible Notes. Further, market conditions and/or our financial performance may limit our access to additional sources of equity or debt financing. As a result, we may be unable to finance growth of our business to the extent that our cash on hand (including short-term investments) and cash generated through operating activities prove insufficient and we are unable to raise additional financing through the issuance of our equity or through permitted incurrences of debt by us or by GIH and its subsidiaries.

For additional information on our Senior Secured Notes and Convertible Notes, please see Note 9, “Long-Term Debt and Other Liabilities” to our unaudited condensed consolidated financial statements.

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Cash flows (used in) provided by Operating Activities:

The following table presents a summary of our cash flows from operating activities for the periods set forth below (in thousands):

	For the Six Months
	Ended June 30,
	2018			2017
Net loss	$	(64,626	)	$	(85,576	)
Non-cash charges and credits		68,810			85,666
Changes in operating assets and liabilities		(33,213	)		2,298
Net cash (used in) provided by operating activities	$	(29,029	)	$	2,388

For the six month period ended June 30, 2018, cash used in operating activities was $29.0 million as compared with $2.4 million of cash provided by operating activities in the prior year period. The principal contributors to the change in operating cash flows were:

• A $35.5 million change in cash flows related to operating assets and liabilities resulting from:

• A decrease in cash flows due to the following:

◾ Changes in CA-NA’s and CA-ROW’s inventories as we now allocate a portion of our uninstalled airborne equipment to inventory. See Note 5, “Inventories,” for additional information;

◾ Changes in CA-NA’s and CA-ROW’s contract assets due to activity under our airline-directed model during 2018 (see Note 3, “Revenue Recognition” for additional information);

◾ Changes in CA-NA’s and CA-ROW’s deferred airborne lease incentives due to more installations under the turnkey model in 2017 as compared with 2018, as airlines are transitioning to the airline-directed model and as new airlines are being signed under the airline-directed model;

◾ Changes in CA-ROW’s accounts receivable due to the timing of collections; and

◾ Changes in CA-NA’s prepaid expenses as we recognized development services in 2017, while we had no similar activities in 2018;

• Offset in part by an increase in cash flows due to the following:

◾ Changes in CA-NA and CA-ROW’s accrued liabilities due primarily to the timing of payments;

◾ Changes in BA’s inventory due to inventory builds during 2017 while inventory decreased slightly during 2018;

◾ Changes in CA-NA’s and BA’s accounts receivable due to the timing of collections;

◾ Changes in CA-NA’s and CA-ROW’s warranty reserves, due to more activity under our airline-directed model during 2018 (see Note 8, “Warranties” for additional information); and

◾ Changes in CA-NA’s accounts payable due to the timing of payments.

• Offset in part by a $4.1 million change in net loss adjusted for non-cash charges and credits.

Cash flows used in Investing Activities:

Cash used in investing activities is primarily for capital expenditures related to airborne equipment, cell site construction, software development, and data center upgrades. See “—Capital Expenditures” below. Additionally, cash used in investing activities includes net changes in our short-term investments of a cash inflow of $89.6 million and $55.2 million, respectively, for the six month periods ended June 30, 2018 and 2017.

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Cash flows (used in) provided by Financing Activities:

Cash used in financing activities for the six month period ended June 30, 2018 was $1.4 million primarily due to capital lease payments.

Cash provided by financing activities for the six month period ended June 30, 2017 was $66.4 million primarily due to the issuance of the Additional Senior Secured Notes with gross proceeds of $70.2 million, offset in part by the payment of debt issuance costs for the Additional Senior Secured Notes of $1.5 million and capital lease payments of $1.5 million.

Capital Expenditures

Our operations continue to require significant capital expenditures, primarily for technology development, equipment and capacity expansion. Capital expenditures for the CA-NA and CA-ROW segments include the purchase of airborne equipment, which correlates directly to the roll out and/or upgrade of service to our airline partners’ fleets. Capital spending is also associated with the expansion of our ATG network and data centers and includes site acquisition, design, permitting, network equipment and construction costs. We capitalize software development costs related to network technology solutions, the Gogo platform and new product/service offerings. We also capitalized costs related to the build out of our office locations.

Capital expenditures for the six month periods ended June 30, 2018 and 2017 were $115.2 million and $145.7 million, respectively. The decrease in capital expenditures was primarily due to a decrease in airborne equipment purchases as we now allocated a portion of our equipment purchases to inventory (see Note 5, “Inventories” for additional information) and to a lesser extent a decrease in capitalized software.

We expect our capital expenditures, net of deferred airborne lease incentives, to decrease in 2018 as compared with 2017 primarily due to decreased turnkey model related activities, under which airborne equipment purchases are treated as capital expenditures. The airborne equipment purchases for our airline-directed model activities are treated as inventory activities within operating cash flows. We expect total expenditures of airborne equipment (including both operating and investing activities) to be relatively flat in 2018 as compared with 2017.

Contractual Commitments: We have agreements with vendors to provide us with transponder and teleport satellite services. These agreements vary in length and amount and as of June 30, 2018 commit us to purchase transponder and teleport satellite services totaling approximately $43.8 million in 2018 (July 1 through December 31), $92.7 million in 2019, $90.4 million in 2020, $77.9 million in 2021, $74.4 million in 2022 and $228.1 million thereafter.

We have agreements with various vendors under which we have remaining commitments to purchase satellite-based systems, certifications and development services. Such commitments will become payable as we receive the equipment or certifications, or as development services are provided.

Leases and Cell Site Contracts: We have lease agreements relating to certain facilities and equipment, which are considered operating leases. Additionally, we have operating leases with wireless service providers for tower space and base station capacity on a volume usage basis (“cell site leases”), some of which provide for minimum annual payments. See Note 11, “Leases,” to our unaudited condensed consolidated financial statements for additional information.

For the airline agreements where the equipment transactions are accounted for as operating leases of space, the revenue share paid to our airline partners represents operating lease payments. They are deemed to be contingent rental payments, as the payments due to each airline are based on a percentage of our CA-NA and CA-ROW service revenue generated from that airline’s passengers, which is unknown until realized. As such, we cannot estimate the lease payments due to an airline at the commencement of our contract with such airline. This rental expense is included in cost of service revenue and is offset by the amortization of the deferred airborne lease incentive discussed above. See Note 11, “Leases,” to our unaudited condensed consolidated financial statements for additional information.

A contract with one of our airline partners requires us to provide the airline partner with a cash rebate of $1.8 million in June 2018. We intend to make the 2018 payment shortly.

Indemnifications and Guarantees: In accordance with Delaware law, we indemnify our officers and directors for certain events or occurrences while the officer or director is, or was, serving at our request in such capacity. The maximum potential amount of future payments we could be required to make under this indemnification is uncertain and may be unlimited, depending upon circumstances. However, our Directors’ and Officers’ insurance does provide coverage for certain of these losses.

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In the ordinary course of business we may occasionally enter into agreements pursuant to which we may be obligated to pay for the failure of performance of others, such as the use of corporate credit cards issued to employees. Based on historical experience, we believe that the risk of sustaining any material loss related to such guarantees is remote.

We have entered into a number of agreements, including our agreements with commercial airlines, pursuant to which we indemnify the other party for losses and expenses suffered or incurred in connection with any patent, copyright, or trademark infringement or misappropriation claim asserted by a third party with respect to our equipment or services. The maximum potential amount of future payments we could be required to make under these indemnification agreements is uncertain and is typically not limited by the terms of the agreements.

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ITEM 3. Quantitative and Qualitative Disclosures About Market Risk

Our exposure to market risk is currently confined to our cash and cash equivalents, short-term investments and our debt. We have not used derivative financial instruments for speculation or trading purposes. The primary objectives of our investment activities are to preserve our capital for the purpose of funding operations while at the same time maximizing the income we receive from our investments without significantly increasing risk. To achieve these objectives, our investment policy allows us to maintain a portfolio of cash equivalents and short-term investments through a variety of securities, including U.S. Treasuries, U.S. Government Agency Securities, and Money Market Funds. Our cash and cash equivalents as of June 30, 2018 and December 31, 2017 primarily included amounts in bank checking accounts and Money Market Funds. We believe that a change in average interest rates would not materially affect our interest income and results of operations.

The risk inherent in our market risk sensitive instruments and positions is the potential loss arising from interest rates as discussed below. The sensitivity analyses presented do not consider the effects that such adverse changes may have on the overall economic activity, nor do they consider additional actions we may take to mitigate our exposure to such changes. Actual results may differ.

Interest: Our earnings are affected by changes in interest rates due to the impact those changes have on interest income generated from our cash, cash equivalents and short-term investments. Our cash and cash equivalents as of June 30, 2018 and December 31, 2017 included amounts in bank checking accounts and money market funds, and our short-term investments consist of U.S. Treasury bills. We believe we have minimal interest rate risk; a 10% change in the average interest rate on our portfolio would have reduced interest income for the three month periods ended June 30, 2018 and 2017 by an immaterial amount.

Inflation: We do not believe that inflation has had a material effect on our results of operations. However, there can be no assurance that our business will not be affected by inflation in the future.

Seasonality: Our results of operations for any interim period are not necessarily indicative of those for any other interim period for the entire year because the demand for air travel, including business travel, is subject to significant seasonal fluctuations. We generally expect overall passenger opportunity to be greater in the second and third quarters compared to the rest of the year due to an increase in leisure travel offset in part by a decrease in business travel during the summer months and holidays. We expect seasonality of the air transportation business to continue, which may affect our results of operations in any one period.

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ITEM 4. Controls and Procedures

(a) Evaluation of Disclosure Controls and Procedures

Management, with the participation of our Chief Executive Officer and the Chief Financial Officer, evaluated the effectiveness of the design and operation of the Company’s disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended) as of June 30, 2018. Based upon this evaluation, our Chief Executive Officer and the Chief Financial Officer have concluded that our disclosure controls and procedures were effective as of June 30, 2018.

(b) Changes in Internal Control over Financial Reporting

There have been no changes to our internal control over financial reporting in connection with the evaluation required by Rules 13a-15(f) and 15d-15(f) under the Exchange Act during the most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

ITEM 1. Legal Proceedings

Linksmart Litigation - On April 20, 2018, Linksmart Wireless Technology, LLC filed suit against us and eight of our airline partners in the U.S. District Court for the Central District of California alleging that our redirection server and login portal infringe a patent owned by the plaintiff. We are required under our contracts with these airlines to indemnify them for defense costs and any liabilities resulting from the suit. Given the very early stage of this litigation, we are unable to assess the merits of the claim, and the outcome of this matter is inherently uncertain.

Pierrelouis Litigation - On June 27, 2018, a purported stockholder of the Company filed a putative class action lawsuit in the United States District Court for the Northern District of Illinois, Eastern Division styled Pierrelouis v. Gogo Inc., naming the Company, its former Chief Executive Officer and Chief Financial Officer and its current Chief Executive Officer, Chief Financial Officer, and President, Commercial Aviation as defendants purportedly on behalf of all purchasers of our securities from February 27, 2017 through May 7, 2018. The complaint asserts claims under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended, and Rule 10b-5 promulgated thereunder, alleging misrepresentations or omissions by us purporting to relate to our 2Ku antenna’s reliability and installation and remediation costs. The plaintiffs seek to recover from us and the individual defendants an unspecified amount of damages. We believe that the claims are without merit and intend to defend them vigorously. In accordance with Delaware law, we will indemnify the individual named defendants for their defense costs and any damages they incur in connection with the suit. We have filed a claim with the issuer of our Directors’ and Officers’ insurance policy with respect to this suit. No amounts have been accrued for any potential losses under this matter, as we cannot reasonably predict the outcome of the litigation or any potential losses.

From time to time we may become involved in other legal proceedings arising in the ordinary course of our business. We cannot predict with certainty the potential for or outcome of any future litigation. Regardless of the outcome of any particular litigation and the merits of any particular claim, litigation can have a material adverse impact on our company due to, among other reasons, any injunctive relief granted, which could inhibit our ability to operate our business, amounts paid as damages or in settlement of any such matter, diversion of management resources and defense costs.

ITEM 1A. Risk Factors

Except as set forth below and in our Quarterly Report on Form 10-Q for the quarter ended March 31, 2018, as filed with the SEC on May 4, 2018, there have been no material changes to the risk factors previously disclosed in our 2017 10-K.

There can be no assurance that our implementation of a new business plan will be successful.

On July 12, 2018, we announced a new Integrated Business Plan (the “IBP”), which is intended to significantly reduce our cost structure, improve quality, drive revenue, streamline business processes, improve the terms of our airline contracts by reducing equipment subsidies and strengthen our balance sheet. In connection with the development of the IBP, our Board asked management to assess whether shareholder value would be increased by engaging in any of the strategic and/or financial relationships and transactions that have been suggested to us by third parties. There can be no assurance that changes under the IBP will result in improvements to our operational or financial performance, that negotiations with airline partners will be successful or that we will pursue any strategic or financial relationship or transaction, and the outcome of any change is uncertain. Further, the process of implementing initiatives under the IBP will involve the dedication of significant resources and the incurrence of significant costs and expenses. If we are unable to mitigate these or other potential risks caused by our implementation of the IBP, it may disrupt our business or adversely impact our revenue, operating results and financial condition.

If we are unable to timely remediate 2Ku quality and performance issues related to deicing fluid or other moisture entering our antennas, our business, financial condition and results of operations may be materially adversely affected.

As we have deployed 2Ku, we have encountered delays and quality problems arising from the entry into our antennas of moisture or liquids that may be caused by deicing procedures or other operational tasks (such as cleaning) that our airline partners may undertake or by humidity or condensation. In particular, the ingress of deicing fluid resulted in significant antenna performance issues in the winter of 2017-2018. We have incurred and will continue to incur significant costs in remediating these problems. Our success in remediating these problems and the time and costs required to effect such remediation will depend on multiple factors, some of which are beyond our control, including: (i) the timing of completion, results of testing and adequacy of our remediation solutions, (ii) the availability of aircraft for installation of such solutions, (iii) our ability to make such solutions available for installation on a timely

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basis, and (iv) the ability of airlines and third parties to perform installations consistent with our specifications and on a timely basis. In the event that the deicing issue is not remediated by the winter of 2018-2019 in a manner that enables 2Ku performance to meet the standards set forth in our airline contracts or if we fail to remediate other moisture issues when and as required to meet such standards, we will be in breach of airline contracts, which could result in penalties, damages or termination rights on the part of airlines, in airlines deciding not to market our services, and in harm to our reputation with passengers and other airlines, all of which would have a material adverse effect on our business, financial condition and results of operations.

ITEM  2. Unregistered Sales of Equity Securities and Use of Proceeds

a) Sales of Unregistered Securities

None.

b) Use of Proceeds from Public Offering of Common Stock

None.

ITEM 3. Defaults Upon Senior Securities

None.

ITEM 4. Mine Safety Disclosures

None.

ITEM  5. Other Information

None.

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ITEM 6. Exhibits

Exhibit Number	Description of Exhibits
10.1.46 †	Service Order Amendment, dated as of April 30, 2018, by and between New Skies Satellites B.V. and Gogo LLC
10.2.19 ¨	Transition Agreement and General Release, dated May 1, 2018, between Gogo LLC and Anand Chari
31.1	Certification of Chief Executive Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Chief Financial Officer pursuant to Exchange Act Rules 13a-14(a) and 15d-14(a), as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1*	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2*	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document

† Certain provisions of this exhibit have been omitted and separately filed with the Securities and Exchange Commission pursuant to a request for confidential treatment.

¨ Indicates employment contract or compensatory plan or arrangement.

* This certification accompanies the Form 10-Q to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of the Registrant under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-Q), irrespective of any general incorporation language contained in such filing.

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SIGNATURES

Pursuant to the requirements of the Securities and Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	Gogo Inc.
Date: August 8, 2018
	/s/ Oakleigh Thorne
	Oakleigh Thorne
	President and Chief Executive Officer
	(Principal Executive Officer)
	/s/ Barry Rowan
	Barry Rowan
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)

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EX-10.1.46

Exhibit 10.1.46

THE USE OF THE FOLLOWING NOTATION IN THIS EXHIBIT INDICATES THAT THE CONFIDENTIAL PORTION HAS BEEN OMITTED PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT AND THE OMITTED MATERIAL HAS BEEN FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION: [***]

CONTRACT#: 104150-0001

SERVICE ORDER AMENDMENT

This Service Order Amendment is submitted by Gogo LLC (“Customer”) to New Skies Satellites B.V. (“SES”) and amends lease 104150-0000, entered into on the 18 February 2016, in accordance with the terms and conditions of that certain Master Services Agreement executed between Customer and SES dated 17 August, 2012, as amended by Amendment No. 1 dated 30 November, 2012. All capitalized terms referenced but not otherwise defined in this Service Order Amendment will have the meanings assigned to them in lease 104150-0000. In the event of a conflict between the provisions of this Service Order Amendment and the provisions of the lease 104150-0000, the provisions of this Service Order Amendment will prevail.

Recitals

The parties desire to modify the Agreement in accordance with the terms set forth below.

Terms of Amendment

1) Effective Date. The Effective Date of this Service Order Amendment is 1 January 2018.

2) Service Specifications. Section C (Service Specifications) is deleted and replaced with the following:

C. Service Specifications.

Ramp Stage	Start Date – End Date	Spot Beam	Monthly Service Fee
1	Commencement Date – 30 June 2018	[***]	[***]
2	1 July 2018 -30 September 2018	[***]	[***]
3	1 October 2018 -31 December 2018	[***]	[***]
4	1 January 2019 -30 June 2019	[***]	[***]
5	1 July 2019 -End Date	[***]	[***]

Additional Service Specifications are contained in Attachment A to this Service Order.

3) Commencement Date. The Commencement Date clause under Section D (Service Term; Fees) is deleted and replaced with the following:

Commencement Date: 1 January 2018.

4) Service in Mexico. The following Service in Mexico clause is added under Section E (Other Applicable Terms and Conditions):

Service in Mexico: Customer acknowledges and agrees that if all or part of the Service will be to, from or within Mexico, including but not limited to Mexican airspace, then the provision of the relevant portion of the Service will be subject to a separate agreement with mutually-agreed terms and conditions therein between Customer and an SES entity holding the appropriate regulatory authorizations to provide service in Mexico.

5) Attachment A. The beam allocation under Table C (Minimum Initial Capacity) of Section III (Customer Capacity Allocations) will be updated by SES and amended only after being confirmed in writing by Customer. The SES-15 North America Beam Capacity Commitments subsection of Section III (Customer Capacity Allocations), including the North America Beam – Capacity table, will be deleted in its entirety.

CONTRACT#: 104150-0001

From and after the execution and delivery of this Service Order Amendment by the Parties, this Service Order Amendment will constitute a valid, binding, and enforceable amendment to lease 104150-0000. All terms and conditions of lease 104150-0000 will, except as modified herein, apply and remain in full force and effect.

Execution

IN WITNESS WHEREOF, this Service Order Amendment has been fully executed by authorized representatives of the Parties as of the date of the last signature hereto.

GOGO LLC		NEW SKIES SATELLITES B.V.
By:	/s/ Tim Joyce	By:	/s/ U. Bouwsma
Name:	Tim Joyce	Name:	U. Bouwsma
Title:	VP RF Engineer	Title:	Proxyholder A
Date: 4/25/18		Date: 3 May, 2018
		NEW SKIES SATELLITES B.V.
		By:	/s/ S. GattySaunt
		Name:	S. GattySaunt
		Title:	Proxyholder A
		Date: 30 April 2018

EX-10.2.19

Exhibit 10.2.19

TRANSITION AGREEMENT AND GENERAL RELEASE

This Transition Agreement and General Release (the “Agreement”), dated as of May 1, 2018 (the “Effective Date), is entered into by and between Gogo LLC (the “Company”), Gogo Inc. (“Parent”) and Anand K. Chari (the “Employee,” and together with the Company and Parent, each, individually, a “Party,” and collectively, the “Parties”).

WHEREAS, the Employee is currently employed by the Company as its Executive Vice President and Chief Technology Officer pursuant to the Employment Agreement, dated July 12, 2006, to which the Employee and the Company are parties (as amended to date, the “Employment Agreement”);

WHEREAS, the Company and the Employee have agreed that the Employee will separate from employment with the Company and enter into a consulting agreement with the Company (the “Consulting Agreement”), both effective as of May 1, 2018 (“the Transition Date”); and

WHEREAS, the Employee and the Company desire to enter into an agreement regarding the Employee’s separation from employment with the Company and a release of claims.

NOW, THEREFORE, in consideration of the mutual promises and agreements contained herein and for other good and valuable consideration, the sufficiency and receipt of which are hereby acknowledged, the Company and the Employee agree as follows:

1. Subject to the terms and conditions of this Agreement, in consideration of the Employee’s promises herein, and provided that the Employee does not revoke his execution of this Agreement pursuant to Paragraph 17 below, the Employee’s employment with the Company will terminate at the close of business on the Transition Date. The Employee hereby resigns, effective as of the Transition Date, from employment with the Company and its subsidiaries and affiliates in all respects, including without limitation from each officer, executive or director position held with Parent, the Company and their subsidiaries and affiliates.

2. The Company and the Employee understand and agree as follows:

A. The Company shall pay the Employee $32,877, less tax withholding to the extent required by law, which represents an amount equal to thirty (30) days of the Employee’s current base salary as pay in lieu of notice of termination.

B. The Company shall pay Employee his salary through the Transition Date and will reimburse him for any business expenses incurred through the Transition Date in accordance with the Company’s policies.

C. The payments in Subparagraphs 2(A) and 2(B) are not conditioned on the execution of this Agreement.

3. In consideration of entry by the undersigned into this Agreement, and subject to Subparagraph (E) of this Paragraph 3, the Employee shall be entitled to the following severance payments and benefits:

A. The Company shall pay the Employee the total gross amount of $400,000, less tax withholding to the extent required by law, which represents an amount equal to twelve (12) months of the Employee’s current base pay. The Company will pay the Employee this amount less required withholdings in a lump sum on the first practicable payroll date following the expiration of the Revocation Period (as defined in Paragraph 17).

B. The Employee holds the unvested equity awards under the Aircell Holdings Inc. Stock Incentive Plan, the Gogo Inc. 2013 Omnibus Incentive Plan or the Gogo Inc. 2016 Omnibus Incentive Plan (each a “Plan” and collectively the “Plans”) or any Stock Option Agreement, Restricted Stock Agreement, Restricted Stock Unit Agreement, Performance RSU Agreement or Performance Option Agreement between the Company and Employee (collectively, the “Equity Agreements”) set forth on Exhibit A attached hereto. Notwithstanding anything to the contrary contained in the Plans or the Equity Agreements, (i) any unvested equity awards will continue to vest on the schedule set forth in the applicable Equity Agreements, and, as set forth on Exhibit A hereto, until the date on which the Consulting Agreement expires or is earlier terminated (the “Consulting Agreement Termination Date”), (ii) any vested options, including any options that vest pursuant to clause (i) of this Subparagraph 3(B), will remain exercisable through the end of the earlier of (x) 90 days following the Consulting Agreement Termination Date and (y) the tenth anniversary of the applicable grant date of the options, (iii) any equity awards that remain unvested on the Consulting Agreement Termination Date shall be forfeited, cancelled and terminated, without any liability or obligation on the part of the Parent in respect thereof, as of the Consulting Agreement Termination Date, and (iv) any vested options that remain unexercised at the end of the exercise period described in clause (ii) of this Subparagraph 3(B) shall be forfeited, cancelled and terminated, without any liability or obligation on the part of the Parent in respect thereof, as of the end of such exercise period.

C. Should Employee timely elect to continue coverage pursuant to COBRA, the Company will reimburse Employee, for the thirteen (13) month period beginning on the Transition Date, for COBRA premiums due to maintain health insurance coverage that is substantially equivalent to that which he received immediately prior to the Transition Date.

D. The Company shall make a one-time payment to Employee in the amount of $15,000, less tax withholding payments to the extent required by law, on the first practicable payroll date following the expiration of the Revocation Period (as defined in Paragraph 17).

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E. The Company’s obligation to provide the Employee with the severance benefits described in Subparagraphs 3(A), (B), (C) and (D) of this Agreement is conditioned on (a) the Employee’s execution, on or after the Transition Date, of this Agreement, and (b) the failure of the Employee to revoke his execution of this Agreement within the Revocation Period. If the Employee does not comply with either of these conditions (either by failing to execute this Agreement on or after the Transition Date or by revoking his execution of this Agreement within the Revocation Period), neither the Company nor Parent shall have any obligation to provide the Employee with any of the severance benefits described in Subparagraphs (A), (B), (C) and (D) of this Paragraph. The Employee acknowledges and agrees that the Employee would not be entitled to the benefits described in Subparagraphs (A), (B), (C) and (D) of this Paragraph, if the Employee had not agreed to and fully complied with the foregoing terms and conditions set forth in this Subparagraph (E). In addition, the Company’s obligation to provide the Employee with the severance benefits described in Subparagraph 3(B) is conditioned on the Employee’s continued compliance in all material respects with his post-termination obligations under this Agreement (including but not limited to the obligations pursuant to Sections 4 and 5 of the Employment Agreement). If the Employee does not comply in all material respects with such post-termination obligations, the Parent shall have no obligation to provide the Employee with any of the severance benefits described in Subparagraph (B). The Employee further acknowledges and agrees that the Employee would not be entitled to the benefits described in Subparagraph (B) of this paragraph, if the Employee had not agreed to and fully complied with all of the terms and conditions set forth in this Subparagraph 3(E).

4. The Employee understands that the benefits set forth in Paragraphs 2 and 3 of this Agreement are all the Employee is entitled to receive from the Company except for the Plans and any Equity Agreements, in each case to the extent vested as of the date on which Employee’s employment by the Company terminates except as otherwise provided in this Agreement. Employee will receive no further wage, commission, bonus or other payments from the Company. Except as set forth in this Agreement or as otherwise required by applicable law, the Employee’s participation in and rights under any Plan will be governed by the terms and conditions of such Plan, which may be amended, modified, suspended or terminated by the Company at any time for any or no reason to the extent permitted by law; provided that the Company will not amend, modify, suspend, or terminate any Plan in a way that adversely affects in a manner differently than the rights of other Plan participants Employee’s rights under the Plans or Equity Agreements as of the Transition Date or Employee’s rights under this Agreement. The Employment Agreement and the Change of Control Agreement, dated March 6, 2013, between Parent and the Employee, will terminate on the Transition Date except for those obligations in the Employment Agreement that survive termination as enumerated in Section 9(c) of the Employment Agreement.

3

5. Within five business days following the Transition Date, (i) except as provided in the Consulting Agreement, the Employee will return to the Company all Company equipment, all tangible documents and materials containing, reflecting, incorporating or based on Confidential Information (as defined in the Consulting Agreement) and any other Company property in the Employee’s possession and (ii) satisfy all outstanding debts to the Company and pay off all personal charges owed on any and all corporate credit cards which he is personally obligated to pay. Notwithstanding the foregoing, Employee may retain the Company phone and Company laptop (provided that Employee submits such phone and laptop to the Company for removal of certain Company data), and shall to transition service for each device into Employee’s own account within 30 days following the Effective Date.

6. The term “Gogo Released Parties” as used in this Agreement includes (i) the Company, its past, present, and future parents, divisions, subsidiaries, partnerships, affiliates, and other related entities (whether or not they are wholly owned); (ii) the past, present, and future owners, trustees, fiduciaries, administrators, shareholders, directors, officers, partners, agents, representatives, members, associates, employees, and attorneys of each entity listed in clause (i) of this paragraph; and (iii) the predecessors, successors, and assigns of each entity listed in clauses (i) and (ii) of this paragraph. The term “Future Gogo Released Parties” as used in this agreement means any Gogo Released Party other than (x) the Company, its past or present parents, divisions, subsidiaries, partnerships, affiliates, and other related entities (whether or not they are wholly owned); (y) the past and present owners, trustees, fiduciaries, administrators, shareholders, directors, officers, partners, agents, representatives, members, associates, employees, and attorneys of each entity listed in clause (x) of this paragraph; and (z) the predecessors, successors, and assigns of each such entity. The term “Current Gogo Released Parties” means the Gogo Released Parties other than the Future Gogo Released Parties.

7. The term “Chari Released Parties” as used in this Agreement includes Employee and his heirs, executors, administrators, representatives, assigns, attorneys, agents, and insurers, and all persons acting by, through, under, or in concert with Employee.

8. Employee, and anyone claiming through the Employee or on the Employee’s behalf, hereby releases the Company and the other Gogo Released Parties with respect to any and all claims, whether currently known or unknown, that the Employee now has, has ever had, or may ever have against the Company and/or any of the other Gogo Released Parties arising from or related to any act or omission occurring prior to or on the date on which the Employee signs this Agreement, excepting those claims that cannot by law be waived. Without limiting the foregoing, the claims released by the Employee hereunder include, but are not limited to:

A. all claims for or related in any way to the Employee’s employment or other service, compensation, other terms and conditions of employment or service, or termination from employment or service with the Company and Parent hereunder, including without limitation all claims for salary, bonus, severance pay, or any other compensation or benefit;

B. all claims that were or could have been asserted by the Employee or on the Employee’s behalf: (i) in any federal, state, or local court, commission, or agency; (ii) under any common law theory; or (iii) under any employment, contract, tort, federal, state, or local law, regulation, ordinance, constitutional provision, or executive order; and

C. all claims that were or could have been asserted by the Employee or on the Employee’s behalf arising under any of the following laws, as amended from time to time: the Age Discrimination in Employment Act of 1967, Title VII of the Civil Rights Act of

4

1964, the Americans with Disabilities Act of 1990, the Employee Retirement Income Security Act, the Family and Medical Leave Act, the Worker Adjustment and Retraining Notification Act, the Chicago Human Rights Ordinance, the Cook County Human Rights Ordinance, the Illinois Human Rights Act, as amended, the Illinois Constitution, any state labor code, any equivalent local laws, statutes and ordinances and any existing employment agreement or potential entitlement under any Company program or plan.

The release set forth in this Paragraph does not apply to and does not release the Employee’s entitlement to receive any benefits earned under any Plan or any award granted thereunder in accordance with the terms and conditions of the applicable Equity Agreement or any right to indemnification to which he is entitled as a current or former director or officer of the Company, Parent or any of their respective subsidiaries, including without limitation any right to indemnification under the Company’s or Parent’s organizational documents or the Officer Indemnification Agreement. In addition, the release set forth in this Paragraph does not apply to and does not release any existing claim against any Future Gogo Released Party that is not and would not be a claim against any Current Gogo Released Party. Further, in the event that a Gogo Released Party who is a natural person brings a claim against the Employee (other than as a counterclaim in defense of a claim first brought by the Employee), the release set forth in this Paragraph shall not be deemed to preclude any counterclaim brought in against such natural person Gogo Released Party.

9. The Company and Parent hereby release the Employee and the Chari Released Parties from any and all claims (including claims on the Company or Parent’s behalf), whether currently known or unknown, that the Company and/or Parent now has or has ever had against the Employee and/or the Chari Released Parties arising from or related to any act or omission occurring prior to or on the date on which the Company and/or Parent signs this Agreement through its authorized agent, except those claims that cannot by law be waived. Without limiting the foregoing, the claims released by the Company and Parent hereunder include, but are not limited to:

A. all claims for or related in any way to the Employee’s employment, compensation, other terms and conditions of employment, or termination from employment with the Company hereunder, including without limitation all claims for salary, bonus, severance pay, or any other compensation or benefit, and any act or omission by Employee during Employee’s employment with the Company; and

B. all claims that were or could have been asserted by the Company or on the Company’s behalf: (i) in any federal, state, or local court, commission, or agency; (ii) under any common law theory; or (iii) under any employment, contract, tort, federal, state, or local law, regulation, ordinance, constitutional provision, or executive order.

10. The Parties represent and warrant, respectively, that (A) the they have not filed or initiated any legal or other proceedings against any other Party and that the Employee has not filed or initiated any legal or other proceedings against any of the Gogo Released Parties; (B) no such proceedings have been initiated on behalf of a Party against any other Party (or any of the Gogo Released Parties or the Chari Released Parties); (C) the Party is the sole owner of the claims that are released in Paragraphs 8 or 9 above, as applicable; (D) none of these claims has been transferred or assigned or caused to be transferred or assigned to any other person, firm or other legal entity; and (E) the Party has the full right and power to grant, execute, and deliver the releases, undertakings, and agreements contained in this Agreement.

5

11. Except as provided in this Agreement, the Employee acknowledges and agrees that the Employee is not entitled to and will not receive any payments, benefits, or recovery of any kind from the Company or other Gogo Released Parties, including any bonus or severance payments. In the event of any further proceedings whatsoever based upon any matter released herein, the Company and each of the other Gogo Released Parties shall have no further monetary or other obligation of any kind to the Employee, including without limitation any obligation for any costs, expenses and attorneys’ fees incurred by or on behalf of the Employee.

12. The Employee acknowledges and agrees that, following the Transition Date, the Employee will continue to be bound by and obligated to comply with the obligations contained in the Employee Proprietary Information and Inventions Agreement previously entered into between the Employee and the Company and the obligations pursuant to Sections 4 and 5 of the Employment Agreement, which survive the termination of the Employee’s employment.

13. The Employee acknowledges and agrees that the Employee has no present or future right to employment with the Company or any of the other Gogo Released Parties.

14. The Employee confirms that he will not communicate regarding his termination of employment or other service verbally or otherwise with any current or former employee or other person in a manner that is inconsistent with the Company’s public disclosures regarding his termination (provided that such disclosure is consistent with this Paragraph or required by applicable law) or as authorized by the Company. Without limiting the foregoing, the Employee agrees to refrain from all conduct, verbal or otherwise, that disparages or damages or could disparage or damage the reputation, goodwill, or standing in the community of the Company or any of the other Gogo Released Parties. The Company agrees to refrain from all conduct, verbal or otherwise, that disparages or damages or could disparage or damage the reputation or standing in the community of the Employee or the Chari Released Parties.

15. Except as stated in this Paragraph, the Parties agree that this Agreement and Exhibit A, and the contents thereof, are confidential, and that no Party may disclose any contents of this Agreement or Exhibit A to any person, including legal counsel for such person(s), corporation, association, or other entity, except that the Parties may disclose the Agreement and Exhibit A (or the terms and provisions thereof) to: (i) their attorneys; (ii) in the case of the Company and Parent, their employees; (iii) their accountants and tax consultants; (iv) other representatives or entities as required and compelled by law or lawful court order; (v) in the case of the Employee, his spouse, if applicable; and (vi) upon the advance written consent of either Party; provided, in each case, any such disclosure shall be conditioned upon the strict confidentiality and nondisclosure of this Agreement and its contents consistent with the terms hereof. Notwithstanding the foregoing, the Parties acknowledge and agree that Parent may disclose this Agreement and Exhibit A and the contents thereof as Parent determines to be necessary or appropriate to comply with its disclosure obligations under applicable law, and the confidentiality provisions of the Paragraph shall not apply to the Parties to the extent of such public disclosure. Additionally, the Parties agree that this Agreement may be used as evidence in a possible lawsuit in which either the Employee or the Company alleges the other party has breached this Agreement.

16. Nothing in this Agreement is intended to or shall be construed as an admission by the Company that the Company or any of the other Gogo Released Parties have violated any law, interfered with any right, breached any obligation or otherwise engaged in any improper or illegal conduct with respect to the Employee or otherwise. The Company and the other Gogo Released Parties expressly deny any such illegal or wrongful conduct.

6

17. THE EMPLOYEE ACKNOWLEDGES, UNDERSTANDS, AND AGREES THAT: A. THE EMPLOYEE HAS READ AND UNDERSTANDS THE TERMS AND EFFECT OF THIS AGREEMENT; B. THE EMPLOYEE RELEASES AND WAIVES CLAIMS UNDER THIS AGREEMENT KNOWINGLY AND VOLUNTARILY, IN EXCHANGE FOR CONSIDERATION IN ADDITION TO ANYTHING OF VALUE TO WHICH THE EMPLOYEE ALREADY IS ENTITLED; C. THE EMPLOYEE HEREBY IS AND HAS BEEN ADVISED TO HAVE THE EMPLOYEE’S ATTORNEY REVIEW THIS AGREEMENT BEFORE SIGNING IT; D. THE EMPLOYEE HAS TWENTY-ONE (21) DAYS IN WHICH TO CONSIDER WHETHER TO SIGN THIS AGREEMENT AND TO RETURN A SIGNED COPY TO THE COMPANY; AND E. WITHIN SEVEN (7) DAYS FROM THE DATE ON WHICH THE EMPLOYEE RETURNS A SIGNED COPY OF THIS AGREEMENT TO THE COMPANY (THE “REVOCATION PERIOD”), THE EMPLOYEE MAY, AT THE EMPLOYEE’S SOLE OPTION, REVOKE HIS/HER ACCEPTANCE OF THE AGREEMENT BY GIVING WRITTEN NOTICE OF SUCH REVOCATION TO KAREN JACKSON, SENIOR VICE PRESIDENT HUMAN RESOURCES. THE AGREEMENT WILL NOT BECOME BINDING AND EFFECTIVE ON EITHER THE COMPANY OR THE EMPLOYEE UNTIL THIS REVOCATION PERIOD HAS EXPIRED WITHOUT ANY SUCH REVOCATION.

18. In the event of any inconsistency between this Agreement and the Employment Agreement, this Agreement shall control. This Agreement may be modified only in writing, and any party’s failure to enforce this Agreement in the event of one or more events that violate this Agreement shall not constitute a waiver of any right to enforce this Agreement against subsequent violations.

19. This Agreement shall be construed and interpreted in accordance with the internal laws of the State of Illinois. Any dispute or conflict arising out of or relating to this Agreement, except for an action brought by the Company to enforce the obligations described in Paragraph 12 of this Agreement, must be brought in a court that has jurisdiction over matters in Cook County, Illinois. Furthermore, the Employee agrees such court shall have personal jurisdiction over him and further agrees to waive any rights he may have to challenge the court’s personal jurisdiction over him/her.

20. Whenever possible, each provision of this Agreement shall be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement is held to be prohibited by or invalid under applicable law, such provision will be ineffective only to the extent of such prohibition or invalidity, without invalidating the remainder of such provision or the remaining provisions of this Agreement.

21. Should any Party prevail in an action to enforce any provision arising out of this Agreement, and successfully establishes a breach of this Agreement or prevails in defense of any such action, such Party shall, in addition to any other relief to which it is entitled, be awarded its reasonable costs and attorneys’ fees incurred in any such action.

22. For a period of six (6) months following the Transition Date, in order to continue facilitating the transition of his responsibilities, Employee will use reasonable efforts to make himself available by telephone or, if necessary, in person to respond to Company requests for information.

7

23. Section 19 of the Employment Agreement is hereby incorporated by reference herein. Executive recognizes that he is a “specified employee,” as defined in Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”). Accordingly, notwithstanding any other provision in this Agreement, to the extent any amount payable under this Agreement (i) constitutes the payment of nonqualified deferred compensation, within the meaning of Section 409A of the Code, (ii) is payable upon Executive’s separation from service and (iii) under the terms of this Agreement would be payable prior to the six-month anniversary of Executive’s separation from service, such payment shall be delayed until the earlier to occur of (a) the six month anniversary of the separation from service or (b) the date of Executive’s death.

[Signature Page Follows]

8

THE PARTIES STATE THAT THEY HAVE READ AND UNDERSTAND THE FOREGOING AND KNOWINGLY AND VOLUNTARILY INTEND TO BE BOUND THERETO:

/s/ Anand K. Chari
Anand K. Chari
GOGO LLC
/s/ Marguerite M. Elias
By:	Marguerite M. Elias
Title:	Executive Vice President, General Counsel and
	Secretary
GOGO INC.
/s/ Marguerite M. Elias
By:	Marguerite M. Elias
Title:	Executive Vice President, General Counsel and Secretary

Exhibit A

Equity Awards

Type	Grant Date		Total Unvested		Exercisable/ Releasable		“Anniversary Date”
NQ		06/02/2010		0		10,815		June 02
NQ		12/14/2011		0		72,100		December 14
NQ		06/05/2013		0		82,400		June 05
NQ		05/28/2014		25,000		75,000		May 28
NQ		05/26/2015		32,300		32,300		May 26
NQ		06/24/2016		63,000		21,000		May 26
NQ		03/14/2017		43,755		14,585		March 14
NQ		02/17/2018		37,000		0		February 17
PNQ		06/24/2016		8,942		0		May 26
PNQ		06/24/2016		17,358		0		May 26
PNQ		03/14/2017		29,840		0		March 14
PNQ		02/17/2018		37,000		0		February 17
PSU		06/24/2016		1,122		0		May 26
PSU		06/24/2016		2,178		0		May 26
PSU		03/14/2017		3,840		0		March 14
PSU		02/17/2018		5,500		0		February 17
RSA		05/28/2014		3,500		0		May 28
RSA		05/26/2015		4,100		0		May 26
RSA		06/24/2016		8,025		0		May 26
RSA		03/14/2017		7,500		0		March 14
RSU		02/17/2018		5,500		0		February 17
				335,460		308,200
		TOTALS		335,460		308,200

EX-31.1

Exhibit 31.1

Gogo Inc.

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO RULE 13a-14(a) OF THE EXCHANGE ACT, AS AMENDED,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Oakleigh Thorne, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Gogo Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	August 8, 2018
/s/ Oakleigh Thorne
Oakleigh Thorne
President and Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

Gogo Inc.

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO RULE 13a-14(a) OF THE EXCHANGE ACT, AS AMENDED,

AS ADOPTED PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Barry Rowan, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Gogo Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	August 8, 2018
/s/ Barry Rowan
Barry Rowan
Executive Vice President and Chief Financial Officer (Principal Financial Officer)

EX-32.1

Exhibit 32.1

Gogo Inc.

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Oakleigh Thorne, President and Chief Executive Officer of Gogo Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) the Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2018 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 8, 2018
/s/ Oakleigh Thorne
Oakleigh Thorne
President and Chief Executive Officer (Principal Executive Officer)

EX-32.2

Exhibit 32.2

Gogo Inc.

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Barry Rowan, Executive Vice President and Chief Financial Officer of Gogo Inc. (the “Company”), do hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) the Quarterly Report on Form 10-Q of the Company for the quarter ended June 30, 2018 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:	August 8, 2018
/s/ Barry Rowan
Barry Rowan
Executive Vice President and Chief Financial Officer
(Principal Financial Officer)

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 06, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Trading Symbol	GOGO
Entity Registrant Name	Gogo Inc.
Entity Central Index Key	0001537054
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		87,351,448

XML

Unaudited Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 140,420	$ 196,356
Short-term investments	123,191	212,792
Total cash, cash equivalents and short-term investments	263,611	409,148
Accounts receivable, net of allowances of $664 and $587, respectively	141,134	117,896
Inventories	178,506	45,543
Prepaid expenses and other current assets	35,092	20,310
Total current assets	618,343	592,897
Non-current assets:
Property and equipment, net	532,148	656,038
Goodwill and intangible assets, net	83,078	87,133
Other non-current assets	70,739	67,107
Total non-current assets	685,965	810,278
Total assets	1,304,308	1,403,175
Current liabilities:
Accounts payable	37,257	27,130
Accrued liabilities	205,018	201,815
Deferred revenue	37,275	43,448
Deferred airborne lease incentives	27,207	42,096
Current portion of capital leases	1,442	1,789
Total current liabilities	308,199	316,278
Non-current liabilities:
Long-term debt	1,012,155	1,000,868
Deferred airborne lease incentives	128,279	142,938
Other non-current liabilities	83,887	134,655
Total non-current liabilities	1,224,321	1,278,461
Total liabilities	1,532,520	1,594,739
Commitments and contingencies (Note 12)
Stockholders' deficit
Common stock, par value $0.0001 per share; 500,000,000 shares authorized at June 30, 2018 and December 31, 2017; 87,471,813 and 87,062,578 shares issued at June 30, 2018 and December 31, 2017, respectively; and 87,351,300 and 86,843,928 shares outstanding at June 30, 2018 and December 31, 2017, respectively	9	9
Additional paid-in-capital	907,071	898,729
Accumulated other comprehensive loss	(3,146)	(933)
Accumulated deficit	(1,132,146)	(1,089,369)
Total stockholders' deficit	(228,212)	(191,564)
Total liabilities and stockholders' deficit	$ 1,304,308	$ 1,403,175

XML

Unaudited Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Statement of Financial Position [Abstract]
Allowances on accounts receivable	$ 664	$ 587
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	87,471,813	87,062,578
Common stock, shares outstanding	87,351,300	86,843,928

XML

Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue:
Total revenue	$ 227,458	$ 172,800	$ 459,283	$ 338,206
Operating expenses:
Cost of service revenue (exclusive of items shown below)	73,650	69,127	148,597	133,940
Cost of equipment revenue (exclusive of items shown below)	64,350	14,649	116,643	26,297
Engineering, design and development	28,409	35,685	58,186	71,949
Sales and marketing	15,427	16,564	31,328	30,959
General and administrative	21,133	23,549	46,292	46,098
Depreciation and amortization	31,938	30,562	67,857	60,997
Total operating expenses	234,907	190,136	468,903	370,240
Operating loss	(7,449)	(17,336)	(9,620)	(32,034)
Other (income) expense:
Interest income	(1,328)	(771)	(2,404)	(1,316)
Interest expense	30,641	27,226	61,195	54,169
Other (income) expense	374	56	(131)	94
Total other expense	29,687	26,511	58,660	52,947
Loss before income taxes	(37,136)	(43,847)	(68,280)	(84,981)
Income tax provision (benefit)	71	362	(3,654)	595
Net loss	$ (37,207)	$ (44,209)	$ (64,626)	$ (85,576)
Net loss attributable to common stock per share-basic and diluted	$ (0.47)	$ (0.56)	$ (0.81)	$ (1.08)
Weighted average number of shares-basic and diluted	79,783	79,334	79,718	79,237
Service [Member]
Revenue:
Total revenue	$ 159,056	$ 154,076	$ 309,734	$ 300,571
Product [Member]
Revenue:
Total revenue	$ 68,402	$ 18,724	$ 149,549	$ 37,635

XML

Unaudited Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (37,207)	$ (44,209)	$ (64,626)	$ (85,576)
Currency translation adjustments	(1,379)	264	(2,213)	490
Comprehensive loss	$ (38,586)	$ (43,945)	$ (66,839)	$ (85,086)

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Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating activities:
Net loss	$ (64,626)	$ (85,576)
Adjustments to reconcile net loss to cash (used in) provided by operating activities:
Depreciation and amortization	67,857	60,997
Loss on asset disposals, abandonments and write-downs	6,529	3,477
Gain on transition to airline-directed model	(21,551)
Deferred income taxes	(3,911)	527
Stock-based compensation expense	8,599	9,724
Amortization of deferred financing costs	2,083	1,799
Accretion and amortization of debt discount and premium	9,204	9,142
Changes in operating assets and liabilities:
Accounts receivable	(23,522)	(13,316)
Inventories	(6,223)	(1,775)
Prepaid expenses and other current assets	(4,472)	4,468
Contract assets	(14,469)
Accounts payable	9,263	1,444
Accrued liabilities	6,498	2,565
Deferred airborne lease incentives	(2,986)	6,374
Deferred revenue	1,223	5,024
Accrued interest		963
Warranty reserves	5,355	57
Other non-current assets and liabilities	(3,880)	(3,506)
Net cash (used in) provided by operating activities	(29,029)	2,388
Investing activities:
Purchases of property and equipment	(103,599)	(128,892)
Acquisition of intangible assets-capitalized software	(11,567)	(16,851)
Purchases of short-term investments	(39,323)	(193,845)
Redemptions of short-term investments	128,924	249,081
Net cash used in investing activities	(25,565)	(90,507)
Financing activities:
Proceeds from the issuance of senior secured notes		70,200
Payment of issuance costs		(1,485)
Payments on capital leases	(1,187)	(1,540)
Stock-based compensation activity	(257)	(759)
Net cash provided by (used in) financing activities	(1,444)	66,416
Effect of exchange rate changes on cash	(373)	317
Decrease in cash, cash equivalents and restricted cash	(56,411)	(21,386)
Cash, cash equivalents and restricted cash at beginning of period	203,729	125,189
Cash, cash equivalents and restricted cash at end of period	147,318	103,803
Less: current restricted cash	1,738	514
Less: non-current restricted cash	5,160	6,873
Cash and cash equivalents at end of period	140,420	96,416
Supplemental Cash Flow Information:
Cash paid for interest	49,911	42,698
Cash paid for taxes	374	24
Noncash Investing and Financing Activities:
Purchases of property and equipment in current liabilities	19,001	48,721
Purchases of property and equipment paid by commercial airlines	4,816	5,917
Purchases of property and equipment under capital leases	279	1,174
Acquisition of intangible assets in current liabilities	955	1,532
Asset retirement obligation incurred and adjustments	$ 516	$ 745

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Basis of Presentation

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

1. Basis of Presentation

The Business - Gogo (“we”, “us”, “our”) is the global leader in providing broadband connectivity solutions and wireless in-flight entertainment to the aviation industry. We operate through the following three segments: Commercial Aviation North America, or “CA-NA,” Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.” Services provided by our CA-NA and CA-ROW businesses include Passenger Connectivity, which allows passengers to connect to the Internet from their personal Wi-Fi-enabled devices; Passenger Entertainment, which offers passengers the opportunity to enjoy a broad selection of in-flight entertainment options on their personal Wi-Fi enabled devices; and Connected Aircraft Services (“CAS”), which offers airlines connectivity for various operations and currently include, among others, real-time credit card transaction processing, electronic flight bags and real-time weather information. Services are provided by CA-NA on commercial aircraft flying routes that generally begin and end within North America, which for this purpose includes the United States, Canada and Mexico. CA-ROW provides service on commercial aircraft operated by foreign-based commercial airlines and flights outside of North America for North American-based commercial airlines. The routes included in our CA-ROW segment are those that begin and/or end outside of North America (as defined above) on which our international service is provided. BA provides in-flight Internet connectivity and other voice and data communications products and services and sells equipment for in-flight telecommunications to the business aviation market. BA services include Gogo Biz, our in-flight broadband service, Passenger Entertainment, our in-flight entertainment service, and satellite-based voice and data services through our strategic alliances with satellite companies.

Basis of Presentation - The accompanying unaudited condensed consolidated financial statements and notes have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in conformity with Article 10 of Regulation S-X promulgated under the Securities Act of 1933, as amended (the “Securities Act”). Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements and should be read in conjunction with our annual audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2017 as filed with the Securities and Exchange Commission (“SEC”) on February 22, 2018 (the “2017 10-K”). These unaudited condensed consolidated financial statements reflect, in the opinion of management, all material adjustments (which include normal recurring adjustments) necessary to fairly state, in all material respects, our financial position, results of operations and cash flows for the periods presented.

The results of operations and cash flows for the three and six month periods ended June 30, 2018 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2018.

We have one class of common stock outstanding as of June 30, 2018 and December 31, 2017.

Reclassifications - To conform with the current year presentation, certain amounts in our unaudited condensed consolidated statement of cash flows for the six month period ended June 30, 2017 have been reclassified. Specifically, accrued airline revenue share of $27 thousand and current deferred rent of $181 thousand have been combined with accrued liabilities and non-current deferred rent of $284 thousand has been combined with other non-current assets and liabilities. Additionally, warranty reserves are now separately stated in its own line, which was included within accrued liabilities previously.

Transition to airline-directed model - The accounting treatment for one of our airline agreements transitioned from our turnkey model to our airline-directed model in January 2018 due to specific provisions elected by the airline that resulted in the transfer of control of the previously installed connectivity equipment. Upon transition to the airline-directed model, the net book value of all previously delivered equipment classified within property and equipment was reclassified to cost of equipment revenue. Additionally, the unamortized proceeds previously received for equipment and classified within current and non-current deferred airborne lease incentives were eliminated and included as part of estimated contract value, which was then allocated amongst the various performance obligations under the agreement. The value allocated to previously delivered equipment was immediately recognized as equipment revenue in our unaudited condensed consolidated financial statements; refer to Note 3, “Revenue Recognition,” for additional disclosures relating to the allocation of consideration among identified performance obligations. For amounts recognized in equipment revenue that were in excess of the amounts billed, we recorded current and non-current contract assets included within prepaid expenses and other current assets and other non-current assets, respectively; refer to Note 3, “Revenue Recognition,” for additional details. In connection with the transition of this airline agreement to the airline-directed model, we also established warranty reserves related to previously sold equipment that are still under a warranty period, which is included within accrued liabilities. See Note 8, “Warranties,” for additional information. This transition from the turnkey model to the airline-directed model occurred on January 4, 2018 and the total financial statement effect on our unaudited condensed consolidated balance sheet and unaudited condensed consolidated statement of operations was as follows (in thousands):

	Increase (decrease)
Unaudited condensed consolidated balance sheet
Prepaid expense and other current assets	$	6,603
Property and equipment, net		(32,716	)
Other non-current assets		18,783
Accrued liabilities		2,000
Current deferred airborne lease incentive		(13,592	)
Non-current deferred airborne lease incentive		(17,289	)
Unaudited condensed consolidated statement of operations
Equipment revenue		45,396
Cost of equipment revenue		23,845

During the second quarter 2018, we identified an additional $2.2 million of property and equipment, net that should have been included in the transition adjustments as of January 1, 2018. The schedule above reflects the additional adjustment.

Use of Estimates - The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. On an ongoing basis, management evaluates the significant estimates and bases such estimates on historical experience and on various other assumptions believed to be reasonable under the circumstances. However, actual results could differ materially from those estimates.

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Recent Accounting Pronouncements

6 Months Ended

Jun. 30, 2018

Accounting Changes and Error Corrections [Abstract]

Recent Accounting Pronouncements

2. Recent Accounting Pronouncements

Revenue recognition related new pronouncements:

On January 1, 2018, we adopted Accounting Standards Codification Topic 606, Revenue From Contracts With Customers (“ASC 606”) using the modified retrospective method. As a result, we recognized the cumulative effect of initially applying ASC 606 as an adjustment to the opening balance of retained earnings as of January 1, 2018. Our historical financial statements have not been restated and continue to be reported under the revenue accounting standard in effect for those periods.

Prior to the adoption of ASC 606, equipment revenue (and related cost) under some of our CA-NA and CA-ROW segment contracts was deferred and recognized over the life of the contract as the equipment and connectivity services did not meet the requirements to be treated as separate units of accounting. Under ASC 606, these same equipment transactions qualify as standalone performance obligations and, therefore, equipment revenue (and related cost) is recognized upon acceptance by our airline customers. Adoption of the new standard did not materially affect the amount or timing of equipment revenue recognized from our BA segment. Our service revenue across all segments continues to be recognized as the services are provided to customers.

In conjunction with the adoption of ASC 606, we also adopted Accounting Standard Codification Subtopic 340-40, Other Assets and Deferred Costs – Contracts with Customers (“ASC 340-40”), which requires the capitalization of costs incurred to obtain or fulfill a contract with a customer. Prior to the adoption of ASC 340-40, we expensed all fulfillment and other costs associated with airline-directed contracts, which were comprised predominantly of costs incurred to obtain supplemental type certificates (“STCs”); these costs are now required to be capitalized and amortized to expense over the life of the contract (and are included within engineering, design and development in our unaudited condensed consolidated financial statements). Costs associated with our turnkey contracts are not eligible for capitalization under ASC 340-40 and will continue to be expensed as incurred.

The cumulative effect of the adoption of ASC 606 and ASC 340-40 to our unaudited condensed consolidated balance sheet as of January 1, 2018 was as follows (in thousands):

	Balance at December 31, 2017			Impact of ASC 606			Balances with Adoption of ASC 606
Assets
Inventories	$	45,543		$	974		$	46,517
Prepaid expenses and other current assets		20,310			603			20,913
Property and equipment, net		656,038			(5,282	)		650,756
Other non-current assets		67,107			(30,006	)		37,101
Liabilities
Current deferred revenue		43,448			(7,182	)		36,266
Other non-current liabilities		134,655			(48,378	)		86,277
Equity
Accumulated deficit		(1,089,369	)		21,849			(1,067,520	)

During the second quarter 2018, we identified an additional $2.3 million of property and equipment, net that should have been recorded to accumulated deficit in the transition adjustments as of January 1, 2018. The schedule above reflects the additional adjustment.

See Note 3, “Revenue Recognition,” for additional information.

On January 1, 2018, we adopted ASU 2016-04, Recognition of Breakage for Certain Prepaid Stored-Value Products (“ASU 2016-04”), which amends the guidance on extinguishing financial liabilities for certain prepaid stored-value products by requiring that entities that sell prepaid stored-value products recognize breakage proportionally as the prepaid stored-value product is being redeemed rather than immediately upon sale of the product. Adoption of this standard did not have a material impact on our consolidated financial statements.

All other new pronouncements:

In March 2016, the Financial Accounting Standards Board (“FASB”) issued ASU 2016-02, Leases (“ASU 2016-02”), which introduces a lessee model that records most leases on the balance sheet. ASU 2016-02 also aligns certain underlying principles of the new lessor model with those in ASC 606, the FASB’s new revenue recognition standard. Furthermore, ASU 2016-02 eliminates the required use of bright-line tests used in current GAAP for determining lease classification. It also requires lessors to provide additional transparency into their exposure to the changes in value of their residual assets and how they manage that exposure. ASU 2016-02 is effective for annual reporting periods beginning after December 15, 2018, including interim periods within those annual reporting periods. ASU 2016-02 required entities to adopt the new leases standard using a modified retrospective method and initially apply the related guidance at the beginning of the earliest period presented in the financial statements. During July 2018, the FASB issued ASU 2018-11, which allows for an additional and optional transition method under which an entity would record a cumulative-effect adjustment at the beginning of the period of adoption. The primary impact of ASU 2016-02 relates to our leases with wireless service providers for tower space and base station capacity, and our leases of facilities and equipment. See Note 11, “Leases,” for further information on our lease arrangements. We will adopt this as guidance as of January 1, 2019, and we are currently evaluating the impact of the adoption of this guidance on our consolidated financial statements.

On January 1, 2018, we adopted ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (“ASU 2016-15”), which amends ASC 230, Statement of Cash Flows, the FASB’s standard for reporting cash flows in general-purpose financial statements. The amendment addresses the diversity in practice related to the classification of certain cash receipts and payments including debt prepayment or debt extinguishment costs. We adopted this guidance using the full retrospective method, which did not have a material impact on our consolidated financial statements as we have historically reported debt prepayment and debt extinguishment costs in a manner consistent with ASU 2016-15.

On January 1, 2018, we adopted ASU 2016-16, Intra-Entity Transfers of Assets Other Than Inventory (“ASU 2016-16”), which removes the prohibition in ASC 740, Income Taxes, against the immediate recognition of the current and deferred income tax effects of intra-entity transfers of assets other than inventory. This is intended to reduce the complexity of GAAP and diversity in practice related to the tax consequences of certain types of intra- entity asset transfers, particularly those involving intellectual property. Adoption of this standard did not have a material impact on our consolidated financial statements.

On January 1, 2018, we adopted ASU 2016-18, Restricted Cash – A Consensus of the FASB Emerging Issues Task Force, (“ASU 2016-18”), which amends ASC 230, Statement of Cash Flows, to clarify guidance on the classification and presentation of restricted cash in the statement of cash flows using the full retrospective method. Adoption of this standard did not have a material impact on our consolidated financial statements. See our unaudited condensed consolidated statements of cash flows for the reconciliation of cash presented in the statements of cash flows to the cash presented on the balance sheet.

On January 1, 2018, we adopted ASU 2017-09, Scope of Modification Accounting (“ASU 2017-09”), which amends the scope of modification accounting for share-based payment arrangements. The ASU provides guidance on the types of changes to the terms or conditions of share-based payment awards to which an entity would be required to apply modification accounting under ASC 718, Compensation – Stock Compensation. Specifically, an entity would not apply modification accounting if the fair value, vesting conditions, and classification of the awards are the same immediately before and after the modification. Adoption of this standard did not have a material impact on our consolidated financial statements.

In February 2018, the FASB issued ASU 2018-02, Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income (“ASU 2018-02”), which permits entities to reclassify tax effects stranded in accumulated other comprehensive income as a result of tax reform to retained earnings. Companies that elect to reclassify these amounts must reclassify stranded tax effects for all items accounted for in accumulated other comprehensive income. ASU 2018-02 is effective for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. We are currently assessing the impact of ASU 2018-02 on our consolidated financial statements and related disclosures.

In June 2018, the FASB issued ASU 2018-07, Improvements to Nonemployee Share-Based Payment Accounting (“ASU 2018-07”), which expands the scope of ASC 718, Compensation – Stock Compensation, to include share-based payment transactions for acquiring goods or services from nonemployees. ASU 2018-07 is effective for fiscal years beginning after December 15, 2018 and interim periods within those fiscal years. Early adoption is permitted. We are currently assessing the impact of ASU 2018-07 on our consolidated financial statements and related disclosures.

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Revenue Recognition

6 Months Ended

Jun. 30, 2018

Revenue from Contract with Customer [Abstract]

Revenue Recognition

3. Revenue Recognition

Our revenue is primarily earned from providing connectivity and entertainment services and through sales of equipment. Additionally, to a lesser extent, we earn revenue from providing ancillary services, including installation and Connected Aircraft Services (“CAS”).

We determine revenue recognition through the following steps:

• Identification of the contract, or contracts, with a customer

• Identification of the performance obligations in the contract

• Determination of the transaction price

• Allocation of the transaction price to the performance obligations in the contract

• Recognition of revenue as we satisfy the performance obligations

For CA-NA and CA-ROW, pursuant to contractual agreements with our airline partners, we place our equipment on commercial aircraft operated by the airlines in order to deliver our service to passengers on the aircraft. We currently have two types of commercial airline arrangements: turnkey and airline-directed. Under the airline-directed model, we have transferred control of the equipment to the airline and therefore the airline is our customer in these transactions. Under the turnkey model, we have not transferred control of our equipment to our airline partner and, as a result, the airline passenger is deemed to be our customer. Transactions with our airline partners under the turnkey model are accounted for as an operating lease of space on an aircraft. See Note 11, “Leases,” for additional information on the turnkey model.

CA-NA and CA-ROW Service Revenue:

CA-NA and CA-ROW revenue consists of service revenue primarily derived from connectivity services, and, to a lesser extent, from entertainment services and CAS. Connectivity is provided to our customers using both our ATG and satellite technologies.

Airline-directed connectivity revenue:

As noted above, under the airline-directed model, the airline is our customer and we earn service revenue as connectivity services are consumed directly by the airline or indirectly by passengers.

Turnkey connectivity revenue (passenger connectivity):

Under the turnkey model, passenger connectivity revenue is generated by services paid for by passengers, airlines and third parties.

Passenger paid revenue represents point-of-sale sessions (which may be flight-based, time-based, multiple individual session packages (“multi-pack”) and subscriptions). Flight-based, time-based and multi-pack revenue is recognized when the sessions are used. Subscription revenue is recognized evenly throughout the subscription period, regardless of the number of times the customer uses the network.

Third party and airline paid revenue is generated by sales of connectivity services to airlines or third parties in sponsorship, wholesale, enterprise and roaming arrangements. Sponsorship revenue is recognized over the sponsorship term. Revenue from wholesale, enterprise and roaming arrangements is recognized as sessions are used by the passenger.

Entertainment revenue:

Entertainment revenue consists of entertainment services we provide to the airline for use by its passengers. Revenue is recognized as the services are provided to the airline.

CAS:

CAS includes, among other things, real-time credit card transaction processing, electronic flight bags and real-time weather information. Revenue is recognized as the service is provided.

BA Service Revenue:

BA service revenue primarily consists of monthly subscription and usage fees paid by aircraft owners and operators for telecommunication, data, and in-flight entertainment services. Revenue is recognized as the services are provided to the customer.

Equipment Revenue:

Equipment revenue primarily consists of the sale of ATG and satellite connectivity equipment and the sale of entertainment equipment. CA-NA and CA-ROW recognize equipment revenue upon acceptance by our airline customers. BA recognizes equipment revenue when the equipment is shipped to OEMs and dealers.

Equipment revenue also includes revenue generated by the installation of the connectivity or entertainment equipment on commercial aircraft, which is recognized when the installation is complete.

Contract price and allocation considerations:

Our CA-NA and CA-ROW airline-directed contracts contain multiple performance obligations, which primarily include the sale of equipment, installation services, connectivity services and entertainment services. For these contracts, we account for each distinct good or service as a separate performance obligation. We allocate the contract’s transaction price to each performance obligation using the relative standalone selling price, which is based on the actual selling price for any good or service sold separately to a similar class of customer, if available. To the extent a good or service is not sold separately, we use our best estimate of the standalone selling price and maximize the use of observable inputs. The primary method we use to estimate the standalone selling price is the expected cost-plus margin approach.

The contractual consideration used for allocation purposes includes connectivity and entertainment services, which may be based on a fixed monthly fee per aircraft or a variable fee based on the volume of connectivity activity, or a combination of both. Examples of variable consideration within our contracts include megabyte overages and pay-per-use sessions. We constrain our estimates to reduce the probability of a significant revenue reversal in future periods, allocate such variable consideration to the identified performance obligations and recognize revenue in the period the services are provided. Our estimates are based on historical experience, anticipated future performance, market conditions and our best judgment at the time.

A significant change in one or more of these estimates could affect our estimated contract value, and we regularly review and update our estimates and recognize adjustments under the cumulative catch-up method. Any adjustment under this method is recorded as a cumulative adjustment in the period identified and revenue for future periods is recognized using the new adjusted estimate.

As of June 30, 2018, the aggregate amount of the transaction price in our contracts allocated to the remaining unsatisfied performance obligations is approximately $966 million, most of which relates to our commercial aviation contracts. Approximately $187 million represents future equipment revenue that is expected to be recognized within the next one to three years. The remaining $779 million primarily represents connectivity and entertainment service revenues which are recognized as services are provided, which is expected to occur through the remaining term of the contract (approximately 5-10 years). We have excluded from this amount: all variable consideration derived from our connectivity or entertainment services that is allocated entirely to our performance of obligations related to such services; consideration from contracts that have an original duration of one year or less; revenue from passenger service on airlines operating under the turnkey model; and revenue from contracts that have been executed but under which have not yet met the accounting definition of a contract since the airline has not yet determined which products in our portfolio it wishes to select, and, as a result we are unable to determine which products and services will be transferred to the customer.

Disaggregation of revenue

The following table presents our revenue disaggregated by category (in thousands):

	For the Three Months Ended
	June 30, 2018
	CA-NA		CA-ROW		BA		Total
Service revenue
Connectivity	$	88,833	$	14,548	$	47,831	$	151,212
Entertainment, CAS and other		6,913		637		294		7,844
Total service revenue	$	95,746	$	15,185	$	48,125	$	159,056
Equipment revenue
ATG	$	2,254	$	—	$	20,497	$	22,751
Satellite		21,650		18,460		4,461		44,571
Other		—		—		1,080		1,080
Total equipment revenue	$	23,904	$	18,460	$	26,038	$	68,402
Customer type
Airline passenger and aircraft owner/operator	$	54,718	$	5,097	$	48,125	$	107,940
Airline, OEM and aftermarket dealer		49,141		26,311		26,038		101,490
Third party		15,791		2,237		—		18,028
Total revenue	$	119,650	$	33,645	$	74,163	$	227,458
	For the Six Months Ended
	June 30, 2018
	CA-NA		CA-ROW		BA		Total
Service revenue
Connectivity	$	170,873	$	28,197	$	95,223	$	294,293
Entertainment, CAS and other		13,656		1,233		552		15,441
Total service revenue	$	184,529	$	29,430	$	95,775	$	309,734
Equipment revenue
ATG (1)	$	47,016	$	—	$	35,918	$	82,934
Satellite (1)		31,926		23,384		8,719		64,029
Other		—		—		2,586		2,586
Total equipment revenue	$	78,942	$	23,384	$	47,223	$	149,549

Customer type
Airline passenger and aircraft owner/operator	$	107,642	$	9,826	$	95,775	$	213,243
Airline, OEM and aftermarket dealer (2)		126,567		39,005		47,223		212,795
Third party		29,262		3,983		—		33,245
Total revenue	$	263,471	$	52,814	$	142,998	$	459,283

1) ATG and satellite equipment revenue for the CA-NA segment includes the $45.4 million related to the accounting impact of the transition of one of our airline partners to the airline-directed model. Approximately $43.4 million was included in ATG equipment revenue and approximately $2.0 million was included in satellite equipment revenue.

2) Airline, OEM and aftermarket dealer revenue includes all equipment revenue for our three segments, including the $45.4 million accounting impact of the transition of one of our airline partners to the airline-directed model.

Contract balances

Our current and non-current deferred revenue balances totaled $62.3 million and $61.1 million as of June 30, 2018, and January 1, 2018, respectively. Deferred revenue includes, among other things, equipment, multi-packs, subscriptions and sponsorships activities.

Our current and non-current contract asset balances totaled $44.4 million and $5.1 million as of June 30, 2018 and January 1, 2018, respectively. Contract assets represents the aggregate amount of revenue recognized in excess of billings for our airline-directed contracts.

Our STC balances were $13.6 million and $7.6 million as of June 30, 2018, and January 1, 2018, respectively. We recognized $0.2 million and $0.4 million, respectively, of deferred STC costs as part of our engineering, design and development costs in our unaudited condensed consolidated statement of operations during the three and six month periods ended June 30, 2018. As noted above, STC costs for our airline-directed contracts are capitalized and expensed on a straight-line basis over the life of the contract.

Impact of adoption of ASC 606

The following table presents the post adoption impact of ASC 606 on our unaudited condensed consolidated balance sheet and the statement of operations (in thousands):

	As of June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Assets
Prepaid expenses and other current assets	$	35,092		$	(907	)	$	34,185
Other non-current assets		70,739			98,567			169,306
Liabilities
Current deferred revenue		37,275			26,055			63,330
Other non-current liabilities		83,887			106,131			190,018
Equity
Accumulated deficit		(1,132,146	)		(24,165	)		(1,156,311	)

	For the Three Months Ended
	June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Revenue:
Service revenue	$	159,056		$	4,514		$	163,570
Equipment revenue		68,402			(31,362	)		37,040
Operating expenses:
Cost of equipment revenue		64,350			(25,144	)		39,206
Engineering, design and development		28,409			691			29,100
Net loss		(37,207	)		(2,395	)		(39,602	)
	For the Six Months Ended
	June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Revenue:
Service revenue	$	309,734		$	8,906		$	318,640
Equipment revenue		149,549			(82,019	)		67,530
Operating expenses:
Cost of equipment revenue		116,643			(64,294	)		52,349
Engineering, design and development		58,186			1,542			59,728
Net loss		(64,626	)		(10,361	)		(74,987	)

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Net Loss Per Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Net Loss Per Share

4. Net Loss Per Share

Basic and diluted net loss per share have been calculated using the weighted average number of common shares outstanding for the period. The shares of common stock effectively repurchased in connection with the Forward Transactions (as defined and described in Note 9, “Long-Term Debt and Other Liabilities”) are considered participating securities requiring the two-class method to calculate basic and diluted earnings per share. Net earnings in future periods will be allocated between common shares and participating securities. In periods of a net loss, the shares associated with the Forward Transactions will not receive an allocation of losses, as the counterparties to the Forward Transactions are not required to fund losses. Accordingly, the calculation of weighted average shares outstanding as of June 30, 2018 and 2017 excludes approximately 7.2 million shares that will be repurchased as a result of the Forward Transactions.

As a result of the net loss for the three and six month periods ended June 30, 2018 and 2017, all of the outstanding shares of common stock underlying stock options, deferred stock units and restricted stock units were excluded from the computation of diluted shares outstanding because they were anti-dilutive.

The following table sets forth the computation of basic and diluted earnings per share for the three and six month periods ended June 30, 2018 and 2017; however, because of the undistributed losses, the shares of common stock associated with the Forward Transactions are excluded from the computation of basic earnings per share in 2018 and 2017 as undistributed losses are not allocated to these shares (in thousands, except per share amounts):

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2018			2017			2018			2017
Net loss	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Less: Participation rights of the Forward Transactions		—			—			—			—
Undistributed losses	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Weighted-average common shares outstanding-basic and diluted		79,783			79,334			79,718			79,237
Net loss attributable to common stock per share-basic and diluted	$	(0.47	)	$	(0.56	)	$	(0.81	)	$	(1.08	)

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Inventories

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventories

5. Inventories

Inventories consist primarily of telecommunications systems and parts, and are recorded at the lower of cost (average cost) or market. We evaluate the need for write-downs associated with obsolete, slow-moving, and nonsalable inventory by reviewing net realizable inventory values on a periodic basis.

Inventories as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Work-in-process component parts	$	30,582	$	35,009
Finished goods (1)		147,924		10,534
Total inventory	$	178,506	$	45,543

(1) The increase in our inventories is primarily due to the allocation of a portion of our uninstalled airborne equipment (i.e., shipsets designated for installation under an airline-directed contract) within our CA-NA and CA-ROW segments from property and equipment, net, to inventories. Historically, all uninstalled airborne equipment for the CA-NA and CA-ROW segments was classified as property and equipment, net, as the majority of our installations were performed under our turnkey model agreements. See Note 11, “Leases” for additional information on the turnkey model treatment. As our uninstalled airborne equipment is increasingly being deployed under airline-directed model agreements, we now allocate our uninstalled airborne equipment between property and equipment, net, and inventories, based on our forecasts of estimated future installations by contract type.

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Composition of Certain Balance Sheet Accounts

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Composition of Certain Balance Sheet Accounts

6. Composition of Certain Balance Sheet Accounts

Property and equipment as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,			December 31,
	2018			2017
Office equipment, furniture, fixtures and other	$	50,380		$	46,445
Leasehold improvements		44,300			42,522
Airborne equipment (1) (2)		619,425			765,652
Network equipment		201,522			199,304
		915,627			1,053,923
Accumulated depreciation (1)		(383,479	)		(397,885	)
Property and equipment, net	$	532,148		$	656,038

(1) Changes between June 30, 2018 and December 31, 2017 relate to the accounting impact of the transition of one of our airline partner agreements to the airline-directed model (see Note 1, “Basis of Presentation,” for additional information) and the adoption of ASC 606 (see Note 2, “Recent Accounting Pronouncements,” for additional information).

(2) Changes between June 30, 2018 and December 31, 2017 also relate to the allocation of uninstalled airborne equipment to inventory (see Note 5, “Inventories,” for additional information).

Prepaid expenses and other current assets as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Contract assets (1)	$	9,237	$	—
Prepaid satellite services		6,536		3,360
Restricted cash		1,738		500
Other		17,581		16,450
Total prepaid expenses and other current assets	$	35,092	$	20,310

(1) Changes between June 30, 2018 and December 31, 2017 are due to the adoption of ASC 606 and additional activity during the six months ended June 30, 2018. See Note 2, “Recent Accounting Pronouncements,” for additional information.

Other non-current assets as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Contract assets (1)	$	35,144	$	—
Deferred STC costs (1)		13,551		—
Deferred cost of equipment revenue (1)		—		40,986
Restricted cash		5,160		6,873
Other		16,884		19,248
Total other non-current assets	$	70,739	$	67,107

(1) Changes between June 30, 2018 and December 31, 2017 are primarily due to the adoption of ASC 606 and additional activity during the six months ended June 30, 2018. See Note 2, “Recent Accounting Pronouncements,” for additional information.

Accrued liabilities as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Employee compensation and benefits	$	14,269	$	25,621
Airborne equipment and installation costs		26,804		44,059
Airline related accrued liabilities		26,278		13,566
Accrued interest		47,649		47,649
Accrued revenue share		14,458		17,339
Accrued satellite network costs		13,999		12,667
Warranty reserve		9,762		2,424
Other		51,799		38,490
Total accrued liabilities	$	205,018	$	201,815

Other non-current liabilities as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Deferred revenue (1)	$	25,024	$	73,192
Deferred rent		37,083		37,354
Asset retirement obligations		9,573		9,668
Deferred tax liabilities		2,072		5,983
Other		10,135		8,458
Total other non-current liabilities	$	83,887	$	134,655

(1) Changes between June 30, 2018 and December 31, 2017 are primarily due to the adoption of ASC 606. See Note 2, “Recent Accounting Pronouncements,” for additional information.

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Intangible Assets

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

7. Intangible Assets

Our intangible assets are comprised of both indefinite-lived and finite-lived intangible assets. Intangible assets with indefinite lives and goodwill are not amortized, but are reviewed for impairment at least annually or whenever events or circumstances indicate the carrying value of the asset may not be recoverable. We perform our annual impairment tests of our indefinite-lived intangible assets and goodwill during the fourth quarter of each fiscal year. We also reevaluate the useful life of indefinite-lived intangible assets each reporting period to determine whether events and circumstances continue to support an indefinite useful life. The results of our annual indefinite-lived intangible assets and goodwill impairment assessments in the fourth quarter of 2017 indicated no impairment.

As of both June 30, 2018 and December 31, 2017, our goodwill balance, all of which related to our BA segment, was $0.6 million.

Our intangible assets, other than goodwill, as of June 30, 2018 and December 31, 2017 were as follows (in thousands, except for weighted average remaining useful life):

	Weighted
	Average		As of June 30, 2018							As of December 31, 2017
	Remaining		Gross					Net		Gross					Net
	Useful Life		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(in years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Amortized intangible assets:
Software		2.1	$	153,884	$	(105,701	)	$	48,183	$	145,063	$	(93,523	)	$	51,540
Service customer relationship		1.8		8,081		(6,296	)		1,785		8,081		(5,788	)		2,293
Other intangible assets		1.7		1,500		(1,293	)		207		1,500		(1,103	)		397
OEM and dealer relationships				6,724		(6,724	)		—		6,724		(6,724	)		—
Total amortized intangible assets				170,189		(120,014	)		50,175		161,368		(107,138	)		54,230
Unamortized intangible assets:
FCC Licenses				32,283		—			32,283		32,283		—			32,283
Total intangible assets			$	202,472	$	(120,014	)	$	82,458	$	193,651	$	(107,138	)	$	86,513

Amortization expense was $7.2 million and $14.8 million, respectively, for the three and six month periods ended June 30, 2018 and $5.8 million and $11.6 million, respectively, for the three and six month periods ended June 30, 2017.

Amortization expense for each of the next five years and thereafter is estimated to be as follows (in thousands):

	Amortization
Years ending December 31,	Expense
2018 (period from July 1 to December 31)	$	12,986
2019	$	18,811
2020	$	11,046
2021	$	4,917
2022	$	1,890
Thereafter	$	525

Actual future amortization expense could differ from the estimated amount as a result of future investments and other factors.

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Warranties

6 Months Ended

Jun. 30, 2018

Guarantees and Product Warranties [Abstract]

Warranties

8. Warranties

We provide warranties on parts and labor related to our products. Our warranty terms range from two to five years. Warranty reserves are established for costs that are estimated to be incurred after the sale, delivery and installation of the products under warranty. The warranty reserves are determined based on known product failures, historical experience and other available evidence, and are included in accrued liabilities in our unaudited condensed consolidated balance sheets. Our warranty reserve balance was $9.8 million and $2.4 million, respectively, as of June 30, 2018 and December 31, 2017. Changes between June 30, 2018 and December 31, 2017 relate to the accounting impact of the transition of one of our airline agreements to the airline-directed model, additional activity under airline-directed models and costs associated with remediation of quality issues associated with our 2Ku technology. See Note 1, “Basis of Presentation” for additional information.

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Long-Term Debt and Other Liabilities

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Long-Term Debt and Other Liabilities

9. Long-Term Debt and Other Liabilities

Long-term debt as of June 30, 2018 and December 31, 2017 was as follows (in thousands):

	June 30,			December 31,
	2018			2017
Senior Secured Notes	$	704,132		$	705,520
Convertible Notes		322,136			311,544
Total debt		1,026,268			1,017,064
Less deferred financing costs		(14,113	)		(16,196	)
Total long-term debt	$	1,012,155		$	1,000,868

Senior Secured Notes – On June 14, 2016 (the “Issue Date”), Gogo Intermediate Holdings LLC (“GIH”) (a wholly owned subsidiary of Gogo Inc.) and Gogo Finance Co. Inc. (a wholly owned subsidiary of GIH) (the “Co-Issuer” and, together with GIH, the “Issuers”), issued $525 million aggregate principal amount of 12.500% senior secured notes due 2022 (the “Original Senior Secured Notes”) under an Indenture, dated as of June 14, 2016 (the “Original Indenture”), among the Issuers, us, as guarantor, certain subsidiaries of GIH, as guarantors (the “Subsidiary Guarantors” and, together with us, the “Guarantors”), and U.S. Bank National Association, as trustee (in such capacity, the “Trustee”) and as collateral agent (in such capacity, the “Collateral Agent”). On January 3, 2017, the Issuers issued $65 million aggregate principal amount of additional 12.500% senior secured notes due 2022 (the “January 2017 Additional Notes”). The January 2017 Additional Notes were issued at a price equal to 108% of their face value resulting in gross proceeds of $70.2 million. On September 20, 2017, the Issuers, the Guarantors and the Trustee entered into the first supplemental indenture (the “Supplemental Indenture” and, together with the Original Indenture, the “Indenture”) to modify certain covenants, as discussed below. On September 25, 2017, the Issuers issued $100 million aggregate principal amount of additional 12.500% senior secured notes due 2022 (the “September 2017 Additional Notes”). The September 2017 Additional Notes were issued at a price equal to 113% of their face value resulting in gross proceeds of $113.0 million. Additionally, we received approximately $2.9 million for interest that accrued from July 1, 2017 through September 24, 2017, which was paid in our January 2018 interest payment. We refer to the Original Senior Secured Notes, the January 2017 Additional Notes and the September 2017 Additional Notes collectively as the “Senior Secured Notes.”

As noted above, on September 20, 2017, the Issuers, the Guarantors and the Trustee entered into the Supplemental Indenture to (i) increase the amount of additional secured indebtedness under Credit Facilities (as defined in the Indenture) that may be incurred by the Issuer and its Restricted Subsidiaries (as defined in the Indenture) under the Indenture by $100 million (from $75 million to $175 million in aggregate principal amount), (ii) permit the Issuer and its Restricted Subsidiaries to incur additional secured indebtedness in connection with vendor financing arrangements not to exceed $50 million in aggregate principal amount at any time outstanding and (iii) permit the Issuer and its Restricted Subsidiaries to make additional dividends or distributions to Gogo in an aggregate amount of up to $15 million during any twelve-month period to pay interest on any indebtedness or preferred stock with a maturity later than July 1, 2022. The Supplemental Indenture became effective immediately upon execution, following our receipt of consents from holders of a majority of the outstanding principal amount of the Existing Notes (excluding Existing Notes held by the Issuers or any affiliates of the Issuers) to the Supplemental Indenture and amendments to the collateral agency agreement governing the Senior Secured Notes (the “Consent Solicitation”). In connection with the Consent Solicitation, GIH paid $1.4 million in fees (“Consent Fees”) to holders of Existing Notes who validly tendered (and did not revoke) their consents prior to the expiration of the Consent Solicitation.

As of June 30, 2018 and December 31, 2017, the outstanding principal amount of the Senior Secured Notes was $690.0 million and $690.0 million, respectively, the unamortized debt premium and Consent Fees were $14.1 million and $15.5 million, respectively, and the net carrying amount was $704.1 million and $705.5 million, respectively.

Interest on the Senior Secured Notes accrues at the rate of 12.500% per annum and is payable semi-annually in arrears on January 1 and July 1, interest payments commenced on January 1, 2017 (other than the January 2017 Additional Notes, for which interest payments commenced on July 1, 2017, and the September 2017 Additional Notes, for which interest payments commenced on January 1, 2018). The Senior Secured Notes mature on July 1, 2022. The January 2017 Additional Notes and September 2017 Additional Notes have the same terms as the Original Senior Secured Notes, except with respect to the issue date and issue price, and are treated as a single series for all purposes under the Indenture and the security documents that govern the Senior Secured Notes.

We paid approximately $11.4 million, $2.0 million and $2.5 million, respectively, of aggregate origination fees and financing costs related to the issuance of the Original Senior Secured Notes, the January 2017 Additional Notes and the September 2017 Additional Notes, which have been accounted for as deferred financing costs. Additionally, as noted above, we paid approximately $1.4 million of Consent Fees, which partially offset the net carrying value of the Senior Secured Notes. The deferred financing costs on our unaudited condensed consolidated balance sheet are being amortized over the contractual term of the Senior Secured Notes using the effective interest method. Total amortization expense was $0.7 million and $1.3 million, respectively, for the three and six month periods ended June 30, 2018, and $0.6 million and $1.1 million, respectively, for the prior year periods. As of June 30, 2018 and December 31, 2017, the balance of unamortized deferred financing costs related to the Senior Secured Notes was $11.3 million and $12.6 million, respectively, and is included as a reduction to long-term debt in our unaudited condensed consolidated balance sheet. See Note 10, “Interest Costs,” for additional information.

The Senior Secured Notes are the senior secured indebtedness of the Issuers and are:

• effectively senior to all of the Issuers’ existing and future senior unsecured indebtedness and the Issuers’ indebtedness secured on a junior priority basis by the same collateral securing the Senior Secured Notes, if any, in each case to the extent of the value of the collateral securing the Senior Secured Notes;

• effectively senior in right of payment to all of the Issuers’ future indebtedness that is subordinated in right of payment to the Senior Secured Notes;

• effectively equal in right of payment with the Issuers’ existing and future (i) unsecured indebtedness that is not subordinated in right of payment to the Senior Secured Notes and (ii) indebtedness secured on a junior priority basis by the same collateral securing the Senior Secured Notes, if any, in each case to the extent of any insufficiency in the collateral securing the Senior Secured Notes;

• structurally senior to all of our existing and future indebtedness, including our Convertible Notes (as defined below); and

• structurally subordinated to all of the indebtedness and other liabilities of any non-Guarantors (other than the Issuers).

The Senior Secured Notes are guaranteed, on a senior secured basis, by us and all of GIH’s existing and future domestic restricted subsidiaries (other than the Co-Issuer), subject to certain exceptions. The Issuers’ obligations under the Senior Secured Notes are not guaranteed by Gogo International Holdings LLC, a subsidiary of ours that holds no material assets other than equity interests in our foreign subsidiaries. Each guarantee is a senior secured obligation of such Guarantor and is:

• effectively senior to all of such Guarantor’s existing and future senior unsecured indebtedness and such Guarantor’s indebtedness secured on a junior priority basis by the same collateral, if any, securing the guarantee of such Guarantor, in each case to the extent of the value of the collateral securing such guarantee;

• effectively senior in right of payment to all of such Guarantor’s future indebtedness that is subordinated in right of payment to such Guarantor’s guarantee;

• effectively equal in right of payment with all of such Guarantor’s existing and future (i) unsecured indebtedness that is not subordinated in right of payment to such Guarantor’s guarantee, and (ii) indebtedness secured on a junior priority basis by the same collateral, if any, securing the guarantee of such Guarantor, in each case to the extent of any insufficiency in the collateral securing such guarantee; and

• structurally subordinated to all indebtedness and other liabilities of any non-Guarantor subsidiary of such Guarantor (excluding, in the case of our guarantee, the Issuers).

The Senior Secured Notes and the related guarantees are secured by first-priority liens, subject to permitted liens, on substantially all of the Issuers’ and the Guarantors’ assets, except for certain excluded assets, including pledged equity interests of the Issuers and all of our existing and future domestic restricted subsidiaries guaranteeing the Senior Secured Notes.

The security interests in certain collateral may be released without the consent of holders of the Senior Secured Notes, if such collateral is disposed of in a transaction that complies with the Indenture and related security agreements. In addition, under certain circumstances, we and the Guarantors have the right to transfer certain intellectual property assets that on the Issue Date constitute collateral securing the Senior Secured Notes or the guarantees to a restricted subsidiary organized under the laws of Switzerland, resulting in the release of such collateral without consent of the holders of the Senior Secured Notes.

On or after July 1, 2019, the Issuers may, at their option, at any time or from time to time, redeem any of the Senior Secured Notes in whole or in part. The Senior Secured Notes will be redeemable at the following redemption prices (expressed in percentages of principal amount), plus accrued and unpaid interest, if any, to (but not including) the redemption date (subject to the right of holders of record on the relevant regular record date on or prior to the redemption date to receive interest due on an interest payment date), if redeemed during the twelve-month period commencing on July 1 of the following years:

	Redemption
Year	Price
2019		106.250	%
2020		103.125	%
2021 and thereafter		100.000	%

In addition, at any time prior to July 1, 2019, the Issuers may redeem up to 35% of the aggregate principal amount of the Senior Secured Notes with the proceeds of certain equity offerings at a redemption price of 112.500% of the principal amount redeemed, plus accrued and unpaid interest, if any, to (but not including) the date of redemption; provided, however, that Senior Secured Notes representing at least 65% of the principal amount of the Senior Secured Notes remain outstanding immediately after each such redemption.

The Issuers may redeem the Senior Secured Notes, in whole or in part, at any time prior to July 1, 2019, at a redemption price equal to 100% of the principal amount of the Senior Secured Notes redeemed plus the make-whole premium set forth in the Indenture as of, and accrued and unpaid interest, if any, to (but not including) the applicable redemption date.

The Indenture contains covenants that, among other things, limit the ability of the Issuers and the Subsidiary Guarantors and, in certain circumstances, our ability, to: incur additional indebtedness; pay dividends, redeem stock or make other distributions; make investments; create restrictions on the ability of our restricted subsidiaries to pay dividends to the Issuers or make other intercompany transfers; create liens; transfer or sell assets; merge or consolidate; and enter into certain transactions with the Issuers’ affiliates, including us. Most of these covenants will cease to apply if, and for as long as, the Senior Secured Notes have investment grade ratings from both Moody’s Investment Services, Inc. and Standard & Poor’s.

If we or the Issuers undergo specific types of change of control prior to July 1, 2022, GIH is required to make an offer to repurchase for cash all of the Senior Secured Notes at a repurchase price equal to 101% of the principal amount thereof, plus accrued and unpaid interest, if any, to (but not including) the payment date.

The Indenture provides for events of default, which, if any of them occur, would permit or require the principal, premium, if any, and interest on all of the then outstanding Senior Secured Notes issued under the Indenture to be due and payable immediately. As of June 30, 2018, no event of default had occurred.

Convertible Notes – On March 3, 2015, we issued $340.0 million aggregate principal amount of 3.75% Convertible Senior Notes due 2020 (the “Convertible Notes”) in a private offering to qualified institutional buyers, pursuant to Rule 144A under the Securities Act. We granted an option to the initial purchasers to purchase up to an additional $60.0 million aggregate principal amount of Convertible Notes to cover over-allotments, of which $21.9 million was subsequently exercised during March 2015, resulting in a total issuance of $361.9 million aggregate principal amount of Convertible Notes. The Convertible Notes mature on March 1, 2020, unless earlier repurchased or converted into shares of our common stock under certain circumstances described below. Upon maturity, we have the option to settle our obligation through cash, shares of common stock, or a combination of cash and shares of common stock. We pay interest on the Convertible Notes semi-annually in arrears on March 1 and September 1 of each year. Interest payments began on September 1, 2015.

The $361.9 million of proceeds received from the issuance of the Convertible Notes was initially allocated between long-term debt (the liability component) at $261.9 million and additional paid-in-capital (the equity component) at $100.0 million, within the consolidated balance sheet. The fair value of the liability component was measured using rates determined for similar debt instruments without a conversion feature. The carrying amount of the equity component, representing the conversion option, was determined by deducting the fair value of the liability component from the aggregate face value of the Convertible Notes. If we or the note holders elect not to settle the debt through conversion, we must settle the Convertible Notes at face value. Therefore, the liability component will be accreted up to the face value of the Convertible Notes, which will result in additional non-cash interest expense being recognized in the unaudited condensed consolidated statements of operations through the Convertible Notes maturity date (see Note 10, “Interest Costs” for additional information). The effective interest rate on the Convertible Notes, including accretion of the notes to par and debt issuance cost amortization, was approximately 11.5%. The equity component will not be remeasured as long as it continues to meet the conditions for equity classification.

As of June 30, 2018 and December 31, 2017, the outstanding principal on the Convertible Notes was $361.9 million, the unamortized debt discount was $39.8 million and $50.4 million, respectively, and the net carrying amount of the liability component was $322.1 million and $311.5 million, respectively.

We incurred approximately $10.4 million of issuance costs related to the issuance of the Convertible Notes of which $7.5 million and $2.9 million were recorded as deferred financing costs and additional paid-in capital, respectively, in proportion to the allocation of the proceeds of the Convertible Notes. The $7.5 million recorded as deferred financing costs on our consolidated balance sheet is being amortized over the term of the Convertible Notes using the effective interest method. Total amortization expense of the deferred financing costs was $0.4 million and $0.8 million, respectively, for the three and six month periods ended June 30, 2018, and $0.3 million and $0.7 million, respectively, for the prior year periods. Amortization expense is included in interest expense in the unaudited condensed consolidated statements of operations. As of June 30, 2018 and December 31, 2017, the balance of unamortized deferred financing costs related to the Convertible Notes was $2.8 million and $3.6 million, respectively, and is included as a reduction to long-term debt in our unaudited condensed consolidated balance sheets. See Note 10, “Interest Costs” for additional information.

The Convertible Notes had an initial conversion rate of 41.9274 common shares per $1,000 principal amount of Convertible Notes, which is equivalent to an initial conversion price of approximately $23.85 per share of our common stock. Upon conversion, we currently expect to deliver cash up to the principal amount of the Convertible Notes then outstanding. With respect to any conversion value in excess of the principal amount, we currently expect to deliver shares of our common stock. We may elect to deliver cash in lieu of all or a portion of such shares. The shares of common stock subject to conversion are excluded from diluted earnings per share calculations under the if-converted method as their impact is anti-dilutive.

Holders may convert the Convertible Notes, at their option, in multiples of $1,000 principal amount at any time prior to December 1, 2019, but only in the following circumstances:

• during any fiscal quarter beginning after the fiscal quarter ended June 30, 2015, if the last reported sale price of our common stock for at least 20 trading days (whether or not consecutive) during the last 30 consecutive trading days of the immediately preceding fiscal quarter is greater than or equal to 130% of the conversion price of the Convertible Notes on each applicable trading day;

• during the five business day period following any five consecutive trading day period in which the trading price for the Convertible Notes is less than 98% of the product of the last reported sale price of our common stock and the conversion rate for the Convertible Notes on each such trading day; or

• upon the occurrence of specified corporate events.

None of the above events allowing for conversion prior to December 1, 2019 occurred during the three and six month periods ended June 30, 2018 or the year ended December 31, 2017. Regardless of whether any of the foregoing circumstances occurs, a holder may convert its Convertible Notes, in multiples of $1,000 principal amount, at any time on or after December 1, 2019 until maturity.

In addition, if we undergo a fundamental change (as defined in the indenture governing the Convertible Notes), holders may, subject to certain conditions, require us to repurchase their Convertible Notes for cash at a price equal to 100% of the principal amount of the Convertible Notes to be purchased, plus any accrued and unpaid interest. In addition, if specific corporate events occur prior to the maturity date, we will increase the conversion rate for a holder who elects to convert its Convertible Notes in connection with such a corporate event in certain circumstances.

In connection with the issuance of the Convertible Notes, we paid approximately $140 million to enter into prepaid forward stock repurchase transactions (the “Forward Transactions”) with certain financial institutions (the “Forward Counterparties”), pursuant to which we purchased approximately 7.2 million shares of common stock for settlement on or around the March 1, 2020 maturity date for the Convertible Notes, subject to the ability of each Forward Counterparty to elect to settle all or a portion of its Forward Transactions early. As a result of the Forward Transactions, total shareholders’ equity within our unaudited condensed consolidated balance sheet was reduced by approximately $140 million. Approximately 7.2 million shares of common stock that will be effectively repurchased through the Forward Transactions are treated as retired shares for basic and diluted EPS purposes although they remain legally outstanding.

Restricted Cash - Our restricted cash balances were $6.9 million and $7.4 million, respectively, as of June 30, 2018 and December 31, 2017 and primarily consist of letters of credit. Certain of the letters of credit require us to maintain restricted cash accounts in a similar amount, and are issued for the benefit of the landlords at our current office locations in Chicago, IL, Bensenville, IL and Broomfield, CO.

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Interest Costs

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Interest Costs

10. Interest Costs

We capitalize a portion of our interest on funds borrowed during the active construction period of major capital projects. Capitalized interest is added to the cost of the underlying assets and amortized over the useful lives of the assets.

The following is a summary of our interest costs for the three and six month periods ended June 30, 2018 and 2017 (in thousands):

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Interest costs charged to expense	$	24,928		$	21,689		$	49,908		$	43,228
Amortization of deferred financing costs		1,048			903			2,083			1,799
Accretion of debt discount on Convertible Notes		5,368			4,812			10,592			9,493
Amortization of debt premium on Senior Secured Notes		(703	)		(178	)		(1,388	)		(351	)
Interest expense		30,641			27,226			61,195			54,169
Interest costs capitalized to property and equipment		3			2			15			6
Interest costs capitalized to software		75			253			107			611
Total interest costs	$	30,719		$	27,481		$	61,317		$	54,786

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Leases

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Leases

11. Leases

Arrangements with Commercial Airlines — Pursuant to contractual agreements with our airline partners, we place our equipment on commercial aircraft operated by the airlines for the purpose of delivering our service to passengers on the aircraft. There are currently two types of commercial airline arrangements: turnkey and airline-directed. See Note 3, “Revenue Recognition,” for additional information on airline-directed arrangements.

Under the turnkey model, we account for equipment transactions as operating leases of space for our equipment on the aircraft. We may be responsible for the costs of installing and/or deinstalling the equipment. Under the turnkey model, the equipment transactions involve the transfer of legal title but do not meet sales recognition for accounting purposes because the risks and rewards of ownership are not fully transferred due to our continuing involvement with the equipment, the length of the term of our agreements with the airlines, and restrictions in the agreements regarding the airlines’ use of the equipment. Under the turnkey model, we refer to the airline as a “partner.”

Under the turnkey model, the assets are recorded as airborne equipment on our unaudited condensed consolidated balance sheets, as noted in Note 6, “Composition of Certain Balance Sheet Accounts.” Any upfront equipment payments are accounted for as lease incentives and recorded as deferred airborne lease incentives on our unaudited condensed consolidated balance sheets and are recognized as a reduction of the cost of service revenue on a straight-line basis over the term of the agreement with the airline. We recognized $7.5 million and $15.1 million, respectively, for the three and six month periods ended June 30, 2018 and $8.6 million and $18.0 million, respectively, for the prior year periods as a reduction to our cost of service revenue in our unaudited condensed consolidated statements of operations. As of June 30, 2018, deferred airborne lease incentives of $27.2 million and $128.3 million, respectively, are included in current and non-current liabilities in our unaudited condensed consolidated balance sheet. As of December 31, 2017, deferred airborne lease incentives of $42.1 million and $142.9 million, respectively, are included in current and non-current liabilities in our unaudited condensed consolidated balance sheet. The decrease in our deferred airborne lease incentives and the amortization of the deferred airborne lease incentives relate to the accounting impact of the transition of one of our airline agreements to the airline-directed model. See Note 1, “Basis of Presentation,” for additional information.

Under the turnkey model, the revenue share paid to our airline partners represents operating lease payments. They are deemed to be contingent rental payments, as the payments due to each airline are based on a percentage of our CA-NA and CA-ROW service revenue generated from that airline’s passengers, which is unknown until realized. Therefore, we cannot estimate the lease payments due to an airline at the commencement of our contract with such airline. This rental expense is included in cost of service revenue and is partially offset by the amortization of the deferred airborne lease incentives discussed above. Such rental expenses totaled a net charge of $6.7 million and $13.1 million, respectively, for the three and six month periods ended June 30, 2018 and $10.2 million and $19.1 million, respectively, for the prior year periods. The decrease in rental expense was due to the transition of one of our airline agreements to the airline-directed model. See Note 1, “Basis of Presentation,” for additional information.

A contract with one of our airline partners requires us to provide the airline partner with a cash rebate of $1.8 million in June 2018. We intend to make the 2018 payment shortly.

Leases and Cell Site Contracts — We have lease agreements relating to certain facilities and equipment, which are considered operating leases. Rent expense for such operating leases was $3.0 million and $6.1 million, respectively, for the three and six month periods ended June 30, 2018 and $3.0 million and $6.0 million, respectively, for the prior year periods. Additionally, we have operating leases with wireless service providers for tower space and base station capacity on a volume usage basis (“cell site leases”), some of which provide for minimum annual payments. Our cell site leases generally provide for an initial noncancelable term with various renewal options. Total cell site rental expense was $2.6 million and $5.3 million, respectively, during the three and six month periods ended June 30, 2018 and $2.4 million and $4.7 million, respectively, for the prior year periods.

Annual future minimum obligations for operating leases for each of the next five years and thereafter, other than the arrangements we have with our commercial airline partners, as of June 30, 2018, are as follows (in thousands):

	Operating
Years ending December 31,	Leases
2018 (period from July 1 to December 31)	$	11,365
2019	$	21,083
2020	$	19,118
2021	$	18,975
2022	$	17,703
Thereafter	$	92,350

Equipment Leases – We lease certain computer and network equipment under capital leases, for which interest has been imputed with annual interest rates in an approximate range of 8% to 14%. As of June 30, 2018 and December 31, 2017 the computer equipment leases were classified as part of office equipment, furniture, and fixtures and other in our unaudited condensed consolidated balance sheet at a gross cost of $5.3 million and $5.0 million, respectively. As of June 30, 2018 and December 31, 2017, the network equipment leases were classified as part of network equipment in our unaudited condensed consolidated balance sheet at a gross cost of $7.5 million and $7.5 million, respectively. Annual future minimum obligations under capital leases for each of the next five years and thereafter, as of June 30, 2018, are as follows (in thousands):

	Capital
Years ending December 31,	Leases
2018 (period from July 1 to December 31)	$	851
2019		1,053
2020		211
Thereafter		—
Total minimum lease payments		2,115
Less: Amount representing interest		(109	)
Present value of net minimum lease payments	$	2,006

The $2.0 million present value of net minimum lease payments as of June 30, 2018 has a current portion of $1.4 million included in the current portion of long-term debt and capital leases and a non-current portion of $0.6 million included in other non-current liabilities.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

12. Commitments and Contingencies

Contractual Commitments - We have agreements with vendors to provide us with transponder and teleport satellite services. These agreements vary in length and amount and as of June 30, 2018 commit us to purchase transponder and teleport satellite services totaling approximately $43.8 million in 2018 (July 1 through December 31), $92.7 million in 2019, $90.4 million in 2020, $77.9 million in 2021, $74.4 million in 2022 and $228.1 million thereafter.

We have agreements with various vendors under which we have remaining commitments to purchase satellite-based systems, certifications and development services. Such commitments will become payable as we receive the equipment or certifications, or as development services are provided.

Damages and Penalties - We have entered into a number of agreements with our airline partners that require us to provide a credit or pay penalties or liquidated damages to our airline partners if we are unable to install our equipment on aircraft by specified timelines or fail to comply with service level commitments. The maximum amount of future credits or payments we could be required to make under these agreements is uncertain because the amount of future credits or payments is based on certain variable inputs.

Indemnifications and Guarantees - In accordance with Delaware law, we indemnify our officers and directors for certain events or occurrences while the officer or director is, or was, serving at our request in such capacity. The maximum potential amount of future payments we could be required to make under this indemnification is uncertain and may be unlimited, depending upon circumstances. However, our Directors’ and Officers’ insurance does provide coverage for certain of these losses.

In the ordinary course of business we may occasionally enter into agreements pursuant to which we may be obligated to pay for the failure of performance of others, such as the use of corporate credit cards issued to employees. Based on historical experience, we believe that the risk of sustaining any material loss related to such guarantees is remote.

We have entered into a number of agreements, including our agreements with commercial airlines, pursuant to which we indemnify the other party for losses and expenses suffered or incurred in connection with any patent, copyright, or trademark infringement or misappropriation claim asserted by a third party with respect to our equipment or services. The maximum potential amount of future payments we could be required to make under these indemnification agreements is uncertain and is typically not limited by the terms of the agreements.

Linksmart Litigation - On April 20, 2018, Linksmart Wireless Technology, LLC filed suit against us and eight of our airline partners in the U.S. District Court for the Central District of California alleging that our redirection server and login portal infringe a patent owned by the plaintiff. We are required under our contracts with these airlines to indemnify them for defense costs and any liabilities resulting from the suit. Given the very early stage of this litigation, we are unable to assess the merits of the claim, and the outcome of this matter is inherently uncertain.

Pierrelouis Litigation - On June 27, 2018, a purported stockholder of the Company filed a putative class action lawsuit in the United States District Court for the Northern District of Illinois, Eastern Division styled Pierrelouis v. Gogo Inc., naming the Company, its former Chief Executive Officer and Chief Financial Officer and its current Chief Executive Officer, Chief Financial Officer, and President, Commercial Aviation as defendants purportedly on behalf of all purchasers of our securities from February 27, 2017 through May 7, 2018. The complaint asserts claims under Sections 10(b) and 20(a) of the Securities Exchange Act of 1934, as amended, and Rule 10b-5promulgated thereunder, alleging misrepresentations or omissions by us purporting to relate to our 2Ku antenna’s reliability and installation and remediation costs. The plaintiffs seek to recover from us and the individual defendants an unspecified amount of damages. We believe that the claims are without merit and intend to defend them vigorously. In accordance with Delaware law, we will indemnify the individual named defendants for their defense costs and any damages they incur in connection with the suit. We have filed a claim with the issuer of our Directors’ and Officers’ insurance policy with respect to this suit. No amounts have been accrued for any potential losses under this matter, as we cannot reasonably predict the outcome of the litigation or any potential losses.

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Fair Value of Financial Assets and Liabilities

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value of Financial Assets and Liabilities

13. Fair Value of Financial Assets and Liabilities

A three-tier fair value hierarchy has been established which prioritizes the inputs used in measuring fair value. These tiers include:

• Level 1 - defined as observable inputs such as quoted prices in active markets;

• Level 2 - defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, or inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

• Level 3 - defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

Long-Term Debt:

Our financial assets and liabilities that are disclosed but not measured at fair value include the Senior Secured Notes and the Convertible Notes, which are reflected on the unaudited condensed consolidated balance sheet at cost. The fair value measurements are classified as Level 2 within the fair value hierarchy since they are based on quoted market prices of our instruments in markets that are not active. We estimated the fair value of the Senior Secured Notes and Convertible Notes by calculating the upfront cash payment a market participant would require to assume these obligations. The upfront cash payment used in the calculations of fair value on our June 30, 2018 unaudited condensed consolidated balance sheet, excluding any issuance costs, is the amount that a market participant would be willing to lend at June 30, 2018 to an entity with a credit rating similar to ours and achieve sufficient cash inflows to cover the scheduled cash outflows under the Senior Secured Notes and the Convertible Notes. The calculated fair value of our Convertible Notes is highly correlated to our stock price and as a result significant changes to our stock price could have a significant impact on the calculated fair value of our Convertible Notes.

The fair value and carrying value of long-term debt as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30, 2018					December 31, 2017
	Fair Value (1)		Carrying Value			Fair Value (1)		Carrying Value
Senior Secured Notes	$	742,000	$	704,132	(2)	$	782,000	$	705,520	(2)
Convertible Notes		316,000		322,136	(3)		330,000		311,544	(3)

(1) Fair value amounts are rounded to the nearest million.

(2) Carrying value of the Senior Secured Notes includes unamortized debt premium and Consent Fees of $14.1 million and $15.5 million, respectively, as of June 30, 2018 and December 31, 2017. See Note 9, “Long-Term Debt and Other Liabilities,” for further information.

(3) Carrying value of the Convertible Notes excludes unamortized debt discount of $39.8 million and $50.4 million, respectively, as of June 30, 2018 and December 31, 2017. See Note 9, “Long-Term Debt and Other Liabilities,” for further information.

We have held-to-maturity financial instruments where carrying value approximates fair value. There were no fair value adjustments to these financial instruments during the three and six month periods ended June 30, 2018 and 2017.

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Income Tax

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Tax

14. Income Tax

The effective income tax rates for the three and six month periods ended June 30, 2018 were (0.2%) and 5.4%, respectively, as compared with (0.8%) and (0.7%), respectively, for the prior year periods. An income tax benefit was recorded for the six month period ended June 30, 2018 resulting from a reduction in our valuation allowance of approximately $4.0 million due to the application of provisions of H.R. 1, commonly known as the Tax Cuts and Jobs Act, to our evaluation of our deferred tax assets. For the three and six months ended June 30, 2017, our income tax expense was not significant primarily due to the recording of a valuation allowance against our net deferred tax assets.

We are subject to income taxation in the United States, various states within the United States, Canada, Switzerland, Japan, Mexico, Brazil, Singapore, the United Kingdom, Hong Kong, Australia, China, India, France, Germany and the Netherlands. With few exceptions, as of June 30, 2018, we are no longer subject to U.S. federal, state, local or foreign examinations by tax authorities for years before 2014.

We record penalties and interest relating to uncertain tax positions in the income tax provision line item in the unaudited condensed consolidated statement of operations. No penalties or interest related to uncertain tax positions were recorded for the three and six month periods ended June 30, 2018 and 2017. As of June 30, 2018 and December 31, 2017, we did not have a liability recorded for interest or potential penalties.

We do not expect a change in the unrecognized tax benefits within the next 12 months.

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Business Segments and Major Customers

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Business Segments and Major Customers

15. Business Segments and Major Customers

We operate our business through three operating segments: Commercial Aviation North America, or “CA-NA”, Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.” See Note 1, “Basis of Presentation,” for further information regarding our segments.

The accounting policies of the operating segments are the same as those described in Note 2, “Summary of Significant Accounting Policies,” in our 2017 10-K. Intercompany transactions between segments are excluded as they are not included in management’s performance review of the segments. For the three and six months ended June 30, 2018 and 2017, our foreign revenue accounts for less than 10% of our consolidated revenue. We do not segregate assets between segments for internal reporting. Therefore, asset-related information has not been presented. We do not disclose assets outside of the United States as they totaled less than 10% of our unaudited condensed consolidated assets as of June 30, 2018 and December 31, 2017. For our airborne assets, we consider only those assets installed in aircraft associated with international commercial airline partners to be owned outside of the United States.

Management evaluates performance and allocates resources to each segment based on segment profit (loss), which is calculated internally as net income (loss) attributable to common stock before interest expense, interest income, income taxes, depreciation and amortization, certain non-cash items (including amortization of deferred airborne lease incentives, stock-based compensation expense, amortization of STC costs and the accounting impact of the transition to the airline-directed model) and other income (expense). Segment profit (loss) is a measure of performance reported to the chief operating decision maker for purposes of making decisions about allocating resources to the segments and evaluating segment performance. In addition, segment profit (loss) is included herein in conformity with ASC 280-10, Segment Reporting. Management believes that segment profit (loss) provides useful information for analyzing and evaluating the underlying operating results of each segment. However, segment profit (loss) should not be considered in isolation or as a substitute for net income (loss) attributable to common stock or other measures of financial performance prepared in accordance with GAAP. Additionally, our computation of segment profit (loss) may not be comparable to other similarly titled measures computed by other companies.

Information regarding our reportable segments is as follows (in thousands):

	For the Three Months Ended
	June 30, 2018
	CA-NA		CA-ROW			BA		Total
Service revenue	$	95,746	$	15,185		$	48,125	$	159,056
Equipment revenue		23,904		18,460			26,038		68,402
Total revenue	$	119,650	$	33,645		$	74,163	$	227,458
Segment profit (loss)	$	7,041	$	(24,474	)	$	36,679	$	19,246
	For the Three Months Ended
	June 30, 2017
	CA-NA		CA-ROW			BA		Total
Service revenue	$	98,679	$	13,188		$	42,209	$	154,076
Equipment revenue		2,272		885			15,567		18,724
Total revenue	$	100,951	$	14,073		$	57,776	$	172,800
Segment profit (loss)	$	16,191	$	(31,403	)	$	25,202	$	9,990
	For the Six Months Ended
	June 30, 2018
	CA-NA		CA-ROW			BA		Total
Service revenue	$	184,529	$	29,430		$	95,775	$	309,734
Equipment revenue (1)		78,942		23,384			47,223		149,549
Total revenue	$	263,471	$	52,814		$	142,998	$	459,283
Segment profit (loss)	$	8,697	$	(47,079	)	$	69,002	$	30,620
	For the Six Months Ended
	June 30, 2017
	CA-NA		CA-ROW			BA		Total
Service revenue	$	195,824	$	22,556		$	82,191	$	300,571
Equipment revenue		3,943		1,803			31,889		37,635
Total revenue	$	199,767	$	24,359		$	114,080	$	338,206
Segment profit (loss)	$	27,350	$	(57,958	)	$	51,317	$	20,709

(1) CA-NA equipment revenue for the six months ended June 30, 2018 includes the accounting impact of the transition of one of our airline partners to the airline-directed model. See Note 1, “Basis of Presentation” for additional information.

A reconciliation of segment profit (loss) to the relevant consolidated amounts is as follows (in thousands):

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
CA-NA segment profit	$	7,041		$	16,191		$	8,697		$	27,350
CA-ROW segment loss		(24,474	)		(31,403	)		(47,079	)		(57,958	)
BA segment profit		36,679			25,202			69,002			51,317
Total segment profit		19,246			9,990			30,620			20,709
Interest income		1,328			771			2,404			1,316
Interest expense		(30,641	)		(27,226	)		(61,195	)		(54,169	)
Depreciation and amortization		(31,938	)		(30,562	)		(67,857	)		(60,997	)
Transition to airline-directed model		2,249			—			21,551			—
Amortization of deferred airborne lease incentives (1)		7,462			8,630			15,092			17,978
Amortization of STC costs		(255	)		—			(427	)		—
Stock-based compensation expense		(4,213	)		(5,394	)		(8,599	)		(9,724	)
Other income (expense)		(374	)		(56	)		131			(94	)
Loss before income taxes	$	(37,136	)	$	(43,847	)	$	(68,280	)	$	(84,981	)

(1) Amortization of deferred airborne lease incentive relates to our CA-NA and CA-ROW segments. See Note 11, “Leases,” for further information.

Major Customers and Airline Partnerships — Under the turnkey model, we refer to the airline as a “partner”, and under the airline-directed model, we refer to the airline as a “customer.”

During the three and six month periods ended June 30, 2018, American Airlines accounted for approximately 22% and 29% of consolidated revenue, respectively, while no other customer accounted for more than 10% of consolidated revenue during the prior year periods. Revenue earned from American Airlines for the six month period ended June 30, 2018 included $45.4 million of equipment revenue recognized due to its transition to the airline-directed model. See Note 1, “Basis of Presentation,” for additional information. Revenue earned from passengers on aircraft operated by American Airlines, which was under the turnkey model during the three and six month periods ended June 30, 2017, accounted for approximately 22% of consolidated revenue during such periods.

Revenue earned from passengers on aircraft operated by Delta Air Lines, which is under the turnkey model, accounted for approximately 23% and 22% of consolidated revenue, respectively, for the three and six month periods ended June 30, 2018 and 26% during both prior year periods.

One customer accounted for approximately 14% and 15%, respectively, of consolidated accounts receivable as of June 30, 2018 and December 31, 2017. Delta Air Lines, one of our airline partners, accounted for approximately 12% and 21%, respectively, of consolidated accounts receivable as of June 30, 2018 and December 31, 2017.

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Employee Retirement and Postretirement Benefits

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Employee Retirement and Postretirement Benefits

16. Employee Retirement and Postretirement Benefits

Stock-Based Compensation — As of June 30, 2018, we had three stock-based employee compensation plans (“Stock Plans”). See Note 11, “Stock-Based Compensation,” in our 2017 10-K for further information regarding these plans. Most of our equity grants are awarded on an annual basis.

For the six month period ended June 30, 2018, options to purchase 2,362,236 shares of common stock (of which 642,462 are options that contain a market condition, in addition to the time-based vesting requirements) were granted, options to purchase 2,500 shares of common stock were exercised, options to purchase 560,347 (of which 286,615 options contain a market condition) shares of common stock were forfeited, and options to purchase 573,478 shares of common stock expired.

For the six month period ended June 30, 2018, 966,599 Restricted Stock Units (“RSUs”) (of which 213,543 are RSUs that contain a market condition, in addition to the time-based vesting requirements) were granted, 443,284 RSUs vested and 196,160 RSUs (of which 66,137 contained a market condition) were forfeited.

For the six month period ended June 30, 2018, 90,871 restricted shares vested. These shares are deemed issued as of the date of grant, but not outstanding until they vest.

For the six month period ended June 30, 2018, 66,220 Deferred Stock Units were granted and vested.

For the six month period ended June 30, 2018, 141,000 shares of common stock were issued under the employee stock purchase plan.

The following is a summary of our stock-based compensation expense by operating expense line in the unaudited condensed consolidated statements of operations (in thousands):

	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
	2018		2017		2018		2017
Cost of service revenue	$	447	$	332	$	881	$	790
Cost of equipment revenue		59		50		113		87
Engineering, design and development		783		1,054		1,693		1,904
Sales and marketing		1,226		1,419		2,308		2,168
General and administrative		1,698		2,539		3,604		4,775
Total stock-based compensation expense	$	4,213	$	5,394	$	8,599	$	9,724

401(k) Plan — Under our 401(k) plan, all employees who are eligible to participate, are entitled to make tax-deferred contributions, subject to Internal Revenue Service limitations. We match 100% of the employee’s first 4% of contributions made, subject to annual limitations. Our matching contributions were $1.3 million and $2.6 million, respectively, during the three and six month periods ended June 30, 2018, and $1.2 million and $2.8 million, respectively, for the prior year periods.

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Research and Development Costs

6 Months Ended

Jun. 30, 2018

Research and Development [Abstract]

Research and Development Costs

17. Research and Development Costs

Expenditures for research and development are charged to expense as incurred and totaled $18.0 million and $37.1 million, respectively, during the three and six month periods ended June 30, 2018, and $17.2 million and $39.3 million, respectively, for the prior year periods. Research and development costs are reported as a component of engineering, design and development expenses in our unaudited condensed consolidated statements of operations.

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

The Business - Gogo (“we”, “us”, “our”) is the global leader in providing broadband connectivity solutions and wireless in-flight entertainment to the aviation industry. We operate through the following three segments: Commercial Aviation North America, or “CA-NA,” Commercial Aviation Rest of World, or “CA-ROW,” and Business Aviation, or “BA.” Services provided by our CA-NA and CA-ROW businesses include Passenger Connectivity, which allows passengers to connect to the Internet from their personal Wi-Fi-enabled devices; Passenger Entertainment, which offers passengers the opportunity to enjoy a broad selection of in-flight entertainment options on their personal Wi-Fi enabled devices; and Connected Aircraft Services (“CAS”), which offers airlines connectivity for various operations and currently include, among others, real-time credit card transaction processing, electronic flight bags and real-time weather information. Services are provided by CA-NA on commercial aircraft flying routes that generally begin and end within North America, which for this purpose includes the United States, Canada and Mexico. CA-ROW provides service on commercial aircraft operated by foreign-based commercial airlines and flights outside of North America for North American-based commercial airlines. The routes included in our CA-ROW segment are those that begin and/or end outside of North America (as defined above) on which our international service is provided. BA provides in-flight Internet connectivity and other voice and data communications products and services and sells equipment for in-flight telecommunications to the business aviation market. BA services include Gogo Biz, our in-flight broadband service, Passenger Entertainment, our in-flight entertainment service, and satellite-based voice and data services through our strategic alliances with satellite companies.

Basis of Presentation - The accompanying unaudited condensed consolidated financial statements and notes have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) and in conformity with Article 10 of Regulation S-X promulgated under the Securities Act of 1933, as amended (the “Securities Act”). Accordingly, they do not include all of the information and notes required by GAAP for complete financial statements and should be read in conjunction with our annual audited consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2017 as filed with the Securities and Exchange Commission (“SEC”) on February 22, 2018 (the “2017 10-K”). These unaudited condensed consolidated financial statements reflect, in the opinion of management, all material adjustments (which include normal recurring adjustments) necessary to fairly state, in all material respects, our financial position, results of operations and cash flows for the periods presented.

The results of operations and cash flows for the three and six month periods ended June 30, 2018 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2018.

We have one class of common stock outstanding as of June 30, 2018 and December 31, 2017.

Reclassifications

Reclassifications - To conform with the current year presentation, certain amounts in our unaudited condensed consolidated statement of cash flows for the six month period ended June 30, 2017 have been reclassified. Specifically, accrued airline revenue share of $27 thousand and current deferred rent of $181 thousand have been combined with accrued liabilities and non-current deferred rent of $284 thousand has been combined with other non-current assets and liabilities. Additionally, warranty reserves are now separately stated in its own line, which was included within accrued liabilities previously.

Transition to airline-directed model

Transition to airline-directed model - The accounting treatment for one of our airline agreements transitioned from our turnkey model to our airline-directed model in January 2018 due to specific provisions elected by the airline that resulted in the transfer of control of the previously installed connectivity equipment. Upon transition to the airline-directed model, the net book value of all previously delivered equipment classified within property and equipment was reclassified to cost of equipment revenue. Additionally, the unamortized proceeds previously received for equipment and classified within current and non-current deferred airborne lease incentives were eliminated and included as part of estimated contract value, which was then allocated amongst the various performance obligations under the agreement. The value allocated to previously delivered equipment was immediately recognized as equipment revenue in our unaudited condensed consolidated financial statements; refer to Note 3, “Revenue Recognition,” for additional disclosures relating to the allocation of consideration among identified performance obligations. For amounts recognized in equipment revenue that were in excess of the amounts billed, we recorded current and non-current contract assets included within prepaid expenses and other current assets and other non-current assets, respectively; refer to Note 3, “Revenue Recognition,” for additional details. In connection with the transition of this airline agreement to the airline-directed model, we also established warranty reserves related to previously sold equipment that are still under a warranty period, which is included within accrued liabilities. See Note 8, “Warranties,” for additional information. This transition from the turnkey model to the airline-directed model occurred on January 4, 2018 and the total financial statement effect on our unaudited condensed consolidated balance sheet and unaudited condensed consolidated statement of operations was as follows (in thousands):

	Increase (decrease)
Unaudited condensed consolidated balance sheet
Prepaid expense and other current assets	$	6,603
Property and equipment, net		(32,716	)
Other non-current assets		18,783
Accrued liabilities		2,000
Current deferred airborne lease incentive		(13,592	)
Non-current deferred airborne lease incentive		(17,289	)
Unaudited condensed consolidated statement of operations
Equipment revenue		45,396
Cost of equipment revenue		23,845

During the second quarter 2018, we identified an additional $2.2 million of property and equipment, net that should have been included in the transition adjustments as of January 1, 2018. The schedule above reflects the additional adjustment.

Use of Estimates

Use of Estimates - The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosures of contingent assets and liabilities at the date of the financial statements, and the reported amounts of revenues and expenses during the reporting period. On an ongoing basis, management evaluates the significant estimates and bases such estimates on historical experience and on various other assumptions believed to be reasonable under the circumstances. However, actual results could differ materially from those estimates.

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Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Summary of Financial Effects Due to Transition of Agreements

the total financial statement effect on our unaudited condensed consolidated balance sheet and unaudited condensed consolidated statement of operations was as follows (in thousands):

	Increase (decrease)
Unaudited condensed consolidated balance sheet
Prepaid expense and other current assets	$	6,603
Property and equipment, net		(32,716	)
Other non-current assets		18,783
Accrued liabilities		2,000
Current deferred airborne lease incentive		(13,592	)
Non-current deferred airborne lease incentive		(17,289	)
Unaudited condensed consolidated statement of operations
Equipment revenue		45,396
Cost of equipment revenue		23,845

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Recent Accounting Pronouncements (Tables)

6 Months Ended

Jun. 30, 2018

Accounting Changes and Error Corrections [Abstract]

Summary of Cumulative Effect of Adoption on Consolidated Balance Sheets

The cumulative effect of the adoption of ASC 606 and ASC 340-40 to our unaudited condensed consolidated balance sheet as of January 1, 2018 was as follows (in thousands):

	Balance at December 31, 2017			Impact of ASC 606			Balances with Adoption of ASC 606
Assets
Inventories	$	45,543		$	974		$	46,517
Prepaid expenses and other current assets		20,310			603			20,913
Property and equipment, net		656,038			(5,282	)		650,756
Other non-current assets		67,107			(30,006	)		37,101
Liabilities
Current deferred revenue		43,448			(7,182	)		36,266
Other non-current liabilities		134,655			(48,378	)		86,277
Equity
Accumulated deficit		(1,089,369	)		21,849			(1,067,520	)

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Summary of Revenue Disaggregated by Category

The following table presents our revenue disaggregated by category (in thousands):

	For the Three Months Ended
	June 30, 2018
	CA-NA		CA-ROW		BA		Total
Service revenue
Connectivity	$	88,833	$	14,548	$	47,831	$	151,212
Entertainment, CAS and other		6,913		637		294		7,844
Total service revenue	$	95,746	$	15,185	$	48,125	$	159,056
Equipment revenue
ATG	$	2,254	$	—	$	20,497	$	22,751
Satellite		21,650		18,460		4,461		44,571
Other		—		—		1,080		1,080
Total equipment revenue	$	23,904	$	18,460	$	26,038	$	68,402
Customer type
Airline passenger and aircraft owner/operator	$	54,718	$	5,097	$	48,125	$	107,940
Airline, OEM and aftermarket dealer		49,141		26,311		26,038		101,490
Third party		15,791		2,237		—		18,028
Total revenue	$	119,650	$	33,645	$	74,163	$	227,458
	For the Six Months Ended
	June 30, 2018
	CA-NA		CA-ROW		BA		Total
Service revenue
Connectivity	$	170,873	$	28,197	$	95,223	$	294,293
Entertainment, CAS and other		13,656		1,233		552		15,441
Total service revenue	$	184,529	$	29,430	$	95,775	$	309,734
Equipment revenue
ATG (1)	$	47,016	$	—	$	35,918	$	82,934
Satellite (1)		31,926		23,384		8,719		64,029
Other		—		—		2,586		2,586
Total equipment revenue	$	78,942	$	23,384	$	47,223	$	149,549

Customer type
Airline passenger and aircraft owner/operator	$	107,642	$	9,826	$	95,775	$	213,243
Airline, OEM and aftermarket dealer (2)		126,567		39,005		47,223		212,795
Third party		29,262		3,983		—		33,245
Total revenue	$	263,471	$	52,814	$	142,998	$	459,283

1) ATG and satellite equipment revenue for the CA-NA segment includes the $45.4 million related to the accounting impact of the transition of one of our airline partners to the airline-directed model. Approximately $43.4 million was included in ATG equipment revenue and approximately $2.0 million was included in satellite equipment revenue.

2) Airline, OEM and aftermarket dealer revenue includes all equipment revenue for our three segments, including the $45.4 million accounting impact of the transition of one of our airline partners to the airline-directed model.

Accounting Standards Update 2014-09 [Member]

Summary of Post Adoption Impact of ASC 606 on Unaudited Condensed Consolidated Balance Sheet and Statement of Operations

The following table presents the post adoption impact of ASC 606 on our unaudited condensed consolidated balance sheet and the statement of operations (in thousands):

	As of June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Assets
Prepaid expenses and other current assets	$	35,092		$	(907	)	$	34,185
Other non-current assets		70,739			98,567			169,306
Liabilities
Current deferred revenue		37,275			26,055			63,330
Other non-current liabilities		83,887			106,131			190,018
Equity
Accumulated deficit		(1,132,146	)		(24,165	)		(1,156,311	)

	For the Three Months Ended
	June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Revenue:
Service revenue	$	159,056		$	4,514		$	163,570
Equipment revenue		68,402			(31,362	)		37,040
Operating expenses:
Cost of equipment revenue		64,350			(25,144	)		39,206
Engineering, design and development		28,409			691			29,100
Net loss		(37,207	)		(2,395	)		(39,602	)
	For the Six Months Ended
	June 30, 2018
	As Reported			Impact of ASC 606			Balances Without Adoption of ASC 606
Revenue:
Service revenue	$	309,734		$	8,906		$	318,640
Equipment revenue		149,549			(82,019	)		67,530
Operating expenses:
Cost of equipment revenue		116,643			(64,294	)		52,349
Engineering, design and development		58,186			1,542			59,728
Net loss		(64,626	)		(10,361	)		(74,987	)

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Net Loss Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share for the three and six month periods ended June 30, 2018 and 2017; however, because of the undistributed losses, the shares of common stock associated with the Forward Transactions are excluded from the computation of basic earnings per share in 2018 and 2017 as undistributed losses are not allocated to these shares (in thousands, except per share amounts):

	For the Three Months Ended June 30,						For the Six Months Ended June 30,
	2018			2017			2018			2017
Net loss	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Less: Participation rights of the Forward Transactions		—			—			—			—
Undistributed losses	$	(37,207	)	$	(44,209	)	$	(64,626	)	$	(85,576	)
Weighted-average common shares outstanding-basic and diluted		79,783			79,334			79,718			79,237
Net loss attributable to common stock per share-basic and diluted	$	(0.47	)	$	(0.56	)	$	(0.81	)	$	(1.08	)

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Inventories (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Components of Inventories

Inventories as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Work-in-process component parts	$	30,582	$	35,009
Finished goods (1)		147,924		10,534
Total inventory	$	178,506	$	45,543

(1) The increase in our inventories is primarily due to the allocation of a portion of our uninstalled airborne equipment (i.e., shipsets designated for installation under an airline-directed contract) within our CA-NA and CA-ROW segments from property and equipment, net, to inventories. Historically, all uninstalled airborne equipment for the CA-NA and CA-ROW segments was classified as property and equipment, net, as the majority of our installations were performed under our turnkey model agreements. See Note 11, “Leases” for additional information on the turnkey model treatment. As our uninstalled airborne equipment is increasingly being deployed under airline-directed model agreements, we now allocate our uninstalled airborne equipment between property and equipment, net, and inventories, based on our forecasts of estimated future installations by contract type.

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Composition of Certain Balance Sheet Accounts (Tables)

6 Months Ended

Jun. 30, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Property and Equipment

Property and equipment as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,			December 31,
	2018			2017
Office equipment, furniture, fixtures and other	$	50,380		$	46,445
Leasehold improvements		44,300			42,522
Airborne equipment (1) (2)		619,425			765,652
Network equipment		201,522			199,304
		915,627			1,053,923
Accumulated depreciation (1)		(383,479	)		(397,885	)
Property and equipment, net	$	532,148		$	656,038

(1) Changes between June 30, 2018 and December 31, 2017 relate to the accounting impact of the transition of one of our airline partner agreements to the airline-directed model (see Note 1, “Basis of Presentation,” for additional information) and the adoption of ASC 606 (see Note 2, “Recent Accounting Pronouncements,” for additional information).

(2) Changes between June 30, 2018 and December 31, 2017 also relate to the allocation of uninstalled airborne equipment to inventory (see Note 5, “Inventories,” for additional information).

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Contract assets (1)	$	9,237	$	—
Prepaid satellite services		6,536		3,360
Restricted cash		1,738		500
Other		17,581		16,450
Total prepaid expenses and other current assets	$	35,092	$	20,310

(1) Changes between June 30, 2018 and December 31, 2017 are due to the adoption of ASC 606 and additional activity during the six months ended June 30, 2018. See Note 2, “Recent Accounting Pronouncements,” for additional information.

Schedule of Other Non-Current Assets

Other non-current assets as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Contract assets (1)	$	35,144	$	—
Deferred STC costs (1)		13,551		—
Deferred cost of equipment revenue (1)		—		40,986
Restricted cash		5,160		6,873
Other		16,884		19,248
Total other non-current assets	$	70,739	$	67,107

(1) Changes between June 30, 2018 and December 31, 2017 are primarily due to the adoption of ASC 606 and additional activity during the six months ended June 30, 2018. See Note 2, “Recent Accounting Pronouncements,” for additional information.

Accrued Liabilities

Accrued liabilities as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Employee compensation and benefits	$	14,269	$	25,621
Airborne equipment and installation costs		26,804		44,059
Airline related accrued liabilities		26,278		13,566
Accrued interest		47,649		47,649
Accrued revenue share		14,458		17,339
Accrued satellite network costs		13,999		12,667
Warranty reserve		9,762		2,424
Other		51,799		38,490
Total accrued liabilities	$	205,018	$	201,815

Other Non-Current Liabilities

Other non-current liabilities as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30,		December 31,
	2018		2017
Deferred revenue (1)	$	25,024	$	73,192
Deferred rent		37,083		37,354
Asset retirement obligations		9,573		9,668
Deferred tax liabilities		2,072		5,983
Other		10,135		8,458
Total other non-current liabilities	$	83,887	$	134,655

(1) Changes between June 30, 2018 and December 31, 2017 are primarily due to the adoption of ASC 606. See Note 2, “Recent Accounting Pronouncements,” for additional information.

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Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets, Other than Goodwill

Our intangible assets, other than goodwill, as of June 30, 2018 and December 31, 2017 were as follows (in thousands, except for weighted average remaining useful life):

	Weighted
	Average		As of June 30, 2018							As of December 31, 2017
	Remaining		Gross					Net		Gross					Net
	Useful Life		Carrying		Accumulated			Carrying		Carrying		Accumulated			Carrying
	(in years)		Amount		Amortization			Amount		Amount		Amortization			Amount
Amortized intangible assets:
Software		2.1	$	153,884	$	(105,701	)	$	48,183	$	145,063	$	(93,523	)	$	51,540
Service customer relationship		1.8		8,081		(6,296	)		1,785		8,081		(5,788	)		2,293
Other intangible assets		1.7		1,500		(1,293	)		207		1,500		(1,103	)		397
OEM and dealer relationships				6,724		(6,724	)		—		6,724		(6,724	)		—
Total amortized intangible assets				170,189		(120,014	)		50,175		161,368		(107,138	)		54,230
Unamortized intangible assets:
FCC Licenses				32,283		—			32,283		32,283		—			32,283
Total intangible assets			$	202,472	$	(120,014	)	$	82,458	$	193,651	$	(107,138	)	$	86,513

Summary of Amortization Expenses

Amortization expense for each of the next five years and thereafter is estimated to be as follows (in thousands):

	Amortization
Years ending December 31,	Expense
2018 (period from July 1 to December 31)	$	12,986
2019	$	18,811
2020	$	11,046
2021	$	4,917
2022	$	1,890
Thereafter	$	525

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Long-Term Debt and Other Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Long-term debt as of June 30, 2018 and December 31, 2017 was as follows (in thousands):

	June 30,			December 31,
	2018			2017
Senior Secured Notes	$	704,132		$	705,520
Convertible Notes		322,136			311,544
Total debt		1,026,268			1,017,064
Less deferred financing costs		(14,113	)		(16,196	)
Total long-term debt	$	1,012,155		$	1,000,868

Summary of Redemption Prices Plus Accrued and Unpaid Interest

 The Senior Secured Notes will be redeemable at the following redemption prices (expressed in percentages of principal amount), plus accrued and unpaid interest, if any, to (but not including) the redemption date (subject to the right of holders of record on the relevant regular record date on or prior to the redemption date to receive interest due on an interest payment date), if redeemed during the twelve-month period commencing on July 1 of the following years:

	Redemption
Year	Price
2019		106.250	%
2020		103.125	%
2021 and thereafter		100.000	%

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Interest Costs (Tables)

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Summary of Interest Costs

The following is a summary of our interest costs for the three and six month periods ended June 30, 2018 and 2017 (in thousands):

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
Interest costs charged to expense	$	24,928		$	21,689		$	49,908		$	43,228
Amortization of deferred financing costs		1,048			903			2,083			1,799
Accretion of debt discount on Convertible Notes		5,368			4,812			10,592			9,493
Amortization of debt premium on Senior Secured Notes		(703	)		(178	)		(1,388	)		(351	)
Interest expense		30,641			27,226			61,195			54,169
Interest costs capitalized to property and equipment		3			2			15			6
Interest costs capitalized to software		75			253			107			611
Total interest costs	$	30,719		$	27,481		$	61,317		$	54,786

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Leases (Tables)

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Annual Future Minimum Obligations for Operating Leases Other than Arrangements with Commercial Airline Partners

Annual future minimum obligations for operating leases for each of the next five years and thereafter, other than the arrangements we have with our commercial airline partners, as of June 30, 2018, are as follows (in thousands):

	Operating
Years ending December 31,	Leases
2018 (period from July 1 to December 31)	$	11,365
2019	$	21,083
2020	$	19,118
2021	$	18,975
2022	$	17,703
Thereafter	$	92,350

Annual Future Minimum Obligations under Capital Leases

Annual future minimum obligations under capital leases for each of the next five years and thereafter, as of June 30, 2018, are as follows (in thousands):

	Capital
Years ending December 31,	Leases
2018 (period from July 1 to December 31)	$	851
2019		1,053
2020		211
Thereafter		—
Total minimum lease payments		2,115
Less: Amount representing interest		(109	)
Present value of net minimum lease payments	$	2,006

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Fair Value of Financial Assets and Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Summary of Fair Value and Carrying Value of Long-Term Debt

The fair value and carrying value of long-term debt as of June 30, 2018 and December 31, 2017 were as follows (in thousands):

	June 30, 2018					December 31, 2017
	Fair Value (1)		Carrying Value			Fair Value (1)		Carrying Value
Senior Secured Notes	$	742,000	$	704,132	(2)	$	782,000	$	705,520	(2)
Convertible Notes		316,000		322,136	(3)		330,000		311,544	(3)

(1) Fair value amounts are rounded to the nearest million.

(2) Carrying value of the Senior Secured Notes includes unamortized debt premium and Consent Fees of $14.1 million and $15.5 million, respectively, as of June 30, 2018 and December 31, 2017. See Note 9, “Long-Term Debt and Other Liabilities,” for further information.

(3) Carrying value of the Convertible Notes excludes unamortized debt discount of $39.8 million and $50.4 million, respectively, as of June 30, 2018 and December 31, 2017. See Note 9, “Long-Term Debt and Other Liabilities,” for further information.

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Business Segments and Major Customers (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Summary of Reportable Segments

Information regarding our reportable segments is as follows (in thousands):

	For the Three Months Ended
	June 30, 2018
	CA-NA		CA-ROW			BA		Total
Service revenue	$	95,746	$	15,185		$	48,125	$	159,056
Equipment revenue		23,904		18,460			26,038		68,402
Total revenue	$	119,650	$	33,645		$	74,163	$	227,458
Segment profit (loss)	$	7,041	$	(24,474	)	$	36,679	$	19,246
	For the Three Months Ended
	June 30, 2017
	CA-NA		CA-ROW			BA		Total
Service revenue	$	98,679	$	13,188		$	42,209	$	154,076
Equipment revenue		2,272		885			15,567		18,724
Total revenue	$	100,951	$	14,073		$	57,776	$	172,800
Segment profit (loss)	$	16,191	$	(31,403	)	$	25,202	$	9,990
	For the Six Months Ended
	June 30, 2018
	CA-NA		CA-ROW			BA		Total
Service revenue	$	184,529	$	29,430		$	95,775	$	309,734
Equipment revenue (1)		78,942		23,384			47,223		149,549
Total revenue	$	263,471	$	52,814		$	142,998	$	459,283
Segment profit (loss)	$	8,697	$	(47,079	)	$	69,002	$	30,620
	For the Six Months Ended
	June 30, 2017
	CA-NA		CA-ROW			BA		Total
Service revenue	$	195,824	$	22,556		$	82,191	$	300,571
Equipment revenue		3,943		1,803			31,889		37,635
Total revenue	$	199,767	$	24,359		$	114,080	$	338,206
Segment profit (loss)	$	27,350	$	(57,958	)	$	51,317	$	20,709

(1) CA-NA equipment revenue for the six months ended June 30, 2018 includes the accounting impact of the transition of one of our airline partners to the airline-directed model. See Note 1, “Basis of Presentation” for additional information.

Reconciliation of Segment Profit (loss)

A reconciliation of segment profit (loss) to the relevant consolidated amounts is as follows (in thousands):

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2018			2017			2018			2017
CA-NA segment profit	$	7,041		$	16,191		$	8,697		$	27,350
CA-ROW segment loss		(24,474	)		(31,403	)		(47,079	)		(57,958	)
BA segment profit		36,679			25,202			69,002			51,317
Total segment profit		19,246			9,990			30,620			20,709
Interest income		1,328			771			2,404			1,316
Interest expense		(30,641	)		(27,226	)		(61,195	)		(54,169	)
Depreciation and amortization		(31,938	)		(30,562	)		(67,857	)		(60,997	)
Transition to airline-directed model		2,249			—			21,551			—
Amortization of deferred airborne lease incentives (1)		7,462			8,630			15,092			17,978
Amortization of STC costs		(255	)		—			(427	)		—
Stock-based compensation expense		(4,213	)		(5,394	)		(8,599	)		(9,724	)
Other income (expense)		(374	)		(56	)		131			(94	)
Loss before income taxes	$	(37,136	)	$	(43,847	)	$	(68,280	)	$	(84,981	)

(1) Amortization of deferred airborne lease incentive relates to our CA-NA and CA-ROW segments. See Note 11, “Leases,” for further information.

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Employee Retirement and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2018

Text Block [Abstract]

Summary of Stock-Based Compensation Expense by Operating Expense

The following is a summary of our stock-based compensation expense by operating expense line in the unaudited condensed consolidated statements of operations (in thousands):

	For the Three Months				For the Six Months
	Ended June 30,				Ended June 30,
	2018		2017		2018		2017
Cost of service revenue	$	447	$	332	$	881	$	790
Cost of equipment revenue		59		50		113		87
Engineering, design and development		783		1,054		1,693		1,904
Sales and marketing		1,226		1,419		2,308		2,168
General and administrative		1,698		2,539		3,604		4,775
Total stock-based compensation expense	$	4,213	$	5,394	$	8,599	$	9,724

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Basis of Presentation - Additional Information (Detail) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018 USD ($) Segment ClassOfCommonStock	Dec. 31, 2017 USD ($) ClassOfCommonStock	Jan. 01, 2018 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of operating segments | Segment	3
Number of class of common stock outstanding | ClassOfCommonStock	1	1
Non-current deferred rent combined with other non-current assets and liabilities	$ 37,083	$ 37,354
Additional property and equipment	532,148	$ 656,038
Reclassifications [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Accrued airline revenue share combined with accrued liabilities	27
Current deferred rent combined with accrued liabilities	181
Non-current deferred rent combined with other non-current assets and liabilities	284
Accounting Standards Update 2014-09 And 340-40 [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Additional property and equipment	$ 2,200		$ 650,756

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Basis of Presentation - Summary of Financial Effects Due to Transition of Agreements (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Prepaid expense and other current assets	$ 35,092		$ 35,092		$ 20,310
Property and equipment, net	(532,148)		(532,148)		(656,038)
Other non-currentassets	70,739		70,739		67,107
Accrued liabilities	205,018		205,018		201,815
Current deferred airborne lease incentive	27,207		27,207		42,096
Non-current deferred airborne lease incentive	128,279		128,279		$ 142,938
Equipment revenue	227,458	$ 172,800	459,283	$ 338,206
Cost of equipment revenue	64,350	14,649	116,643	26,297
Product [Member]
Equipment revenue	68,402	$ 18,724	149,549	$ 37,635
Transition Agreements To Airline-directed Model [Member]
Prepaid expense and other current assets	6,603		6,603
Property and equipment, net	(32,716)		(32,716)
Other non-currentassets	18,783		18,783
Accrued liabilities	2,000		2,000
Current deferred airborne lease incentive	(13,592)		(13,592)
Non-current deferred airborne lease incentive	$ (17,289)		(17,289)
Transition Agreements To Airline-directed Model [Member] | Product [Member]
Equipment revenue			45,396
Cost of equipment revenue			$ 23,845

XML

Recent Accounting Pronouncements - Summary of Cumulative Effect of Adoption on Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Assets
Inventories	$ 178,506		$ 45,543
Prepaid expenses and other current assets	35,092		20,310
Property and equipment, net	532,148		656,038
Other non-currentassets	70,739		67,107
Liabilities
Current deferred revenue	37,275		43,448
Other non-currentliabilities	83,887		134,655
Equity
Accumulated deficit	(1,132,146)		$ (1,089,369)
Accounting Standards Update 2014-09 And 340-40 [Member]
Assets
Inventories		$ 46,517
Prepaid expenses and other current assets		20,913
Property and equipment, net	2,200	650,756
Other non-currentassets		37,101
Liabilities
Current deferred revenue		36,266
Other non-currentliabilities		86,277
Equity
Accumulated deficit		$ (1,067,520)
Accounting Standards Update 2014-09 And 340-40 [Member] | Difference between Guidance in Effect Before and after Topic 606 and ASC 34040 [Member]
Assets
Inventories	974
Prepaid expenses and other current assets	603
Property and equipment, net	(5,282)
Other non-currentassets	(30,006)
Liabilities
Current deferred revenue	(7,182)
Other non-currentliabilities	(48,378)
Equity
Accumulated deficit	$ 21,849

XML

Recent Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Jan. 01, 2018	Dec. 31, 2017
Item Effected [Line Items]
Adjusted additional property and equipment	$ 532,148		$ 656,038
Accounting Standards Update 2014-09 And 340-40 [Member]
Item Effected [Line Items]
Adjusted additional property and equipment	2,200	$ 650,756
Accounting Standards Update 2014-09 And 340-40 [Member] | Accumulated Deficit [Member]
Item Effected [Line Items]
Adjusted additional property and equipment	$ 2,300

XML

Revenue Recognition - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jan. 01, 2018
Revenue from Contracts with Customers [Line Items]
Transaction price allocated to remaining performance obligations	$ 966.0	$ 966.0
Service revenue occuring period		1 year
Future equipment revenue recognition period		Next one to three years
Future Equipment Revenue [Member]
Revenue from Contracts with Customers [Line Items]
Equipment revenue		$ 187.0
Connectivity and Entertainment Service Revenues [Member]
Revenue from Contracts with Customers [Line Items]
Transaction price allocated to remaining performance obligations	779.0	779.0
Airline [Member]
Revenue from Contracts with Customers [Line Items]
Contract assets, current and non-current	44.4	44.4	$ 5.1
Accounting Standards Update 2014-09 [Member]
Revenue from Contracts with Customers [Line Items]
Deferred revenue, current and non-current	62.3	62.3	61.1
Deferred STC costs	13.6	13.6	$ 7.6
Accounting Standards Update 2014-09 [Member] | Engineering, Design and Development [Member]
Revenue from Contracts with Customers [Line Items]
Deferred STC costs recognized	$ 0.2	$ 0.4

XML

Revenue Recognition - Summary of Revenue Disaggregated by Category (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	$ 227,458	$ 172,800	$ 459,283	$ 338,206
Airline Passenger and Aircraft Owner/Operator [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	107,940		213,243
Airline, OEM and Aftermarket Dealer [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	101,490		212,795
Third Party [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	18,028		33,245
Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	159,056		309,734
Service Revenue [Member] | Connectivity [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	151,212		294,293
Service Revenue [Member] | Entertainment, CAS and Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	7,844		15,441
Equipment Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	68,402		149,549
Equipment Revenue [Member] | ATG [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	22,751		82,934
Equipment Revenue [Member] | Satellite [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	44,571		64,029
Equipment Revenue [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	1,080		2,586
CA-NA [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	119,650	100,951	263,471	199,767
CA-NA [Member] | Airline Passenger and Aircraft Owner/Operator [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	54,718		107,642
CA-NA [Member] | Airline, OEM and Aftermarket Dealer [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	49,141		126,567
CA-NA [Member] | Third Party [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	15,791		29,262
CA-NA [Member] | Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	95,746		184,529
CA-NA [Member] | Service Revenue [Member] | Connectivity [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	88,833		170,873
CA-NA [Member] | Service Revenue [Member] | Entertainment, CAS and Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	6,913		13,656
CA-NA [Member] | Equipment Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	23,904		78,942
CA-NA [Member] | Equipment Revenue [Member] | ATG [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	2,254		47,016
CA-NA [Member] | Equipment Revenue [Member] | Satellite [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	21,650		31,926
CA-ROW [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	33,645	14,073	52,814	24,359
CA-ROW [Member] | Airline Passenger and Aircraft Owner/Operator [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	5,097		9,826
CA-ROW [Member] | Airline, OEM and Aftermarket Dealer [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	26,311		39,005
CA-ROW [Member] | Third Party [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	2,237		3,983
CA-ROW [Member] | Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	15,185		29,430
CA-ROW [Member] | Service Revenue [Member] | Connectivity [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	14,548		28,197
CA-ROW [Member] | Service Revenue [Member] | Entertainment, CAS and Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	637		1,233
CA-ROW [Member] | Equipment Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	18,460		23,384
CA-ROW [Member] | Equipment Revenue [Member] | Satellite [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	18,460		23,384
BA [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	74,163	$ 57,776	142,998	$ 114,080
BA [Member] | Airline Passenger and Aircraft Owner/Operator [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	48,125		95,775
BA [Member] | Airline, OEM and Aftermarket Dealer [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	26,038		47,223
BA [Member] | Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	48,125		95,775
BA [Member] | Service Revenue [Member] | Connectivity [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	47,831		95,223
BA [Member] | Service Revenue [Member] | Entertainment, CAS and Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	294		552
BA [Member] | Equipment Revenue [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	26,038		47,223
BA [Member] | Equipment Revenue [Member] | ATG [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	20,497		35,918
BA [Member] | Equipment Revenue [Member] | Satellite [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	4,461		8,719
BA [Member] | Equipment Revenue [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of revenue	$ 1,080		$ 2,586

XML

Revenue Recognition - Summary of Revenue Disaggregated by Category (Parenthetical) (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2018 USD ($) Segment
Disaggregation of Revenue [Line Items]
Number of operating segments | Segment	3
ATG [Member] | CA-NA [Member]
Disaggregation of Revenue [Line Items]
Equipment revenue	$ 43.4
Satellite [Member] | CA-NA [Member]
Disaggregation of Revenue [Line Items]
Equipment revenue	2.0
Airline, OEM and Aftermarket Dealer [Member] | Product [Member] | Transition Agreements To Airline-directed Model [Member] | CA-NA [Member]
Disaggregation of Revenue [Line Items]
Equipment revenue	45.4
Airline Partners [Member] | Product [Member] | Transition Agreements To Airline-directed Model [Member] | CA-NA [Member]
Disaggregation of Revenue [Line Items]
Equipment revenue	$ 45.4

XML

Revenue Recognition - Summary of the Post Adoption Impact of ASC 606 - Balance Sheet (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Prepaid expenses and other current assets	$ 35,092	$ 20,310
Other non-currentassets	70,739	67,107
Liabilities
Current deferred revenue	37,275	43,448
Other non-currentliabilities	83,887	134,655
Equity
Accumulated deficit	(1,132,146)	$ (1,089,369)
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Assets
Prepaid expenses and other current assets	(907)
Other non-currentassets	98,567
Liabilities
Current deferred revenue	26,055
Other non-currentliabilities	106,131
Equity
Accumulated deficit	(24,165)
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] | As Reported [Member]
Assets
Prepaid expenses and other current assets	34,185
Other non-currentassets	169,306
Liabilities
Current deferred revenue	63,330
Other non-currentliabilities	190,018
Equity
Accumulated deficit	$ (1,156,311)

XML

Revenue Recognition - Summary of the Post Adoption Impact of ASC 606 - Statement of Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue:
Total revenue	$ 227,458	$ 172,800	$ 459,283	$ 338,206
Operating expenses:
Cost of equipment revenue	64,350	14,649	116,643	26,297
Engineering, design and development	28,409	35,685	58,186	71,949
Net loss	(37,207)	(44,209)	(64,626)	(85,576)
Revenue	227,458	172,800	459,283	338,206
Cost of equipment revenue	64,350	14,649	116,643	26,297
Engineering, design and development	28,409	35,685	58,186	71,949
Net loss	(37,207)	(44,209)	(64,626)	(85,576)
Service [Member]
Revenue:
Total revenue	159,056	154,076	309,734	300,571
Operating expenses:
Revenue	159,056	154,076	309,734	300,571
Product [Member]
Revenue:
Total revenue	68,402	18,724	149,549	37,635
Operating expenses:
Revenue	68,402	$ 18,724	149,549	$ 37,635
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Operating expenses:
Cost of equipment revenue	(25,144)		(64,294)
Engineering, design and development	691		1,542
Net loss	(2,395)		(10,361)
Cost of equipment revenue	(25,144)		(64,294)
Engineering, design and development	691		1,542
Net loss	(2,395)		(10,361)
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] | Service [Member]
Revenue:
Total revenue	4,514		8,906
Operating expenses:
Revenue	4,514		8,906
Difference between Revenue Guidance in Effect before and after Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] | Product [Member]
Revenue:
Total revenue	(31,362)		(82,019)
Operating expenses:
Revenue	(31,362)		(82,019)
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Accounting Standards Update 2014-09 [Member]
Operating expenses:
Cost of equipment revenue	39,206		52,349
Engineering, design and development	29,100		59,728
Net loss	(39,602)		(74,987)
Cost of equipment revenue	39,206		52,349
Engineering, design and development	29,100		59,728
Net loss	(39,602)		(74,987)
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] | Service [Member]
Revenue:
Total revenue	163,570		318,640
Operating expenses:
Revenue	163,570		318,640
Calculated under Revenue Guidance in Effect before Topic 606 [Member] | Accounting Standards Update 2014-09 [Member] | Product [Member]
Revenue:
Total revenue	37,040		67,530
Operating expenses:
Revenue	$ 37,040		$ 67,530

XML

Net Loss Per Share - Additional Information (Detail) - shares shares in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Forward stock repurchase transaction shares, excluded from dilution effect	7.2	7.2

XML

Net Loss Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net loss	$ (37,207)	$ (44,209)	$ (64,626)	$ (85,576)
Less: Participation rights of the Forward Transactions	0	0	0	0
Undistributed losses	$ (37,207)	$ (44,209)	$ (64,626)	$ (85,576)
Weighted-average common shares outstanding-basic and diluted	79,783	79,334	79,718	79,237
Net loss attributable to common stock per share-basic and diluted	$ (0.47)	$ (0.56)	$ (0.81)	$ (1.08)

XML

Inventories - Components of Inventories (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Work-in-process component parts	$ 30,582	$ 35,009
Finished goods	147,924	10,534
Total inventory	$ 178,506	$ 45,543

XML

Composition of Certain Balance Sheet Accounts - Property and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 915,627	$ 1,053,923
Accumulated depreciation	(383,479)	(397,885)
Property and equipment, net	532,148	656,038
Office Equipment, Furniture, Fixtures and Other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	50,380	46,445
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	44,300	42,522
Airborne Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	619,425	765,652
Network Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 201,522	$ 199,304

XML

Composition of Certain Balance Sheet Accounts - Schedule of Prepaid Expenses and Other Current Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Prepaid Expense and Other Assets [Abstract]
Contract assets (1)	$ 9,237
Prepaid satellite services	6,536	$ 3,360
Restricted cash	1,738	500
Other	17,581	16,450
Total prepaid expenses and other current assets	$ 35,092	$ 20,310

XML

Composition of Certain Balance Sheet Accounts - Schedule of Other Non-Current Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Other Assets, Noncurrent [Abstract]
Contract assets	$ 35,144
Deferred STC costs	13,551
Deferred cost of equipment revenue		$ 40,986
Restricted cash	5,160	6,873
Other	16,884	19,248
Total other non-currentassets	$ 70,739	$ 67,107

XML

Composition of Certain Balance Sheet Accounts - Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accrued Liabilities, Current [Abstract]
Employee compensation and benefits	$ 14,269	$ 25,621
Airborne equipment and installation costs	26,804	44,059
Airline related accrued liabilities	26,278	13,566
Accrued interest	47,649	47,649
Accrued revenue share	14,458	17,339
Accrued satellite network costs	13,999	12,667
Warranty reserve	9,762	2,424
Other	51,799	38,490
Total accrued liabilities	$ 205,018	$ 201,815

XML

Composition of Certain Balance Sheet Accounts - Other Non-Current Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Other Liabilities, Noncurrent [Abstract]
Deferred revenue	$ 25,024	$ 73,192
Deferred rent	37,083	37,354
Asset retirement obligations	9,573	9,668
Deferred tax liabilities	2,072	5,983
Other	10,135	8,458
Total other non-current liabilities	$ 83,887	$ 134,655

XML

Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 0.6		$ 0.6		$ 0.6
Amortization expense	$ 7.2	$ 5.8	$ 14.8	$ 11.6

XML

Intangible Assets - Schedule of Intangible Assets, Other than Goodwill (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Intangible Assets Net Excluding Goodwill [Line Items]
Total intangible assets, Gross Carrying Amount	$ 202,472	$ 193,651
Amortized intangible assets, Gross Carrying Amount	170,189	161,368
Amortized intangible assets, Accumulated Amortization	(120,014)	(107,138)
Amortized intangible assets, Net Carrying Amount	50,175	54,230
Total intangible assets, Net Carrying Amount	82,458	86,513
FCC Licenses [Member]
Intangible Assets Net Excluding Goodwill [Line Items]
Total unamortized intangible assets, Gross Carrying Amount	32,283	32,283
Total unamortized intangible assets, Net Carrying Amount	$ 32,283	32,283
Software [Member]
Intangible Assets Net Excluding Goodwill [Line Items]
Weighted Average Remaining Useful Life (in years)	2 years 1 month 6 days
Amortized intangible assets, Gross Carrying Amount	$ 153,884	145,063
Amortized intangible assets, Accumulated Amortization	(105,701)	(93,523)
Amortized intangible assets, Net Carrying Amount	$ 48,183	51,540
Service Customer Relationships [Member]
Intangible Assets Net Excluding Goodwill [Line Items]
Weighted Average Remaining Useful Life (in years)	1 year 9 months 18 days
Amortized intangible assets, Gross Carrying Amount	$ 8,081	8,081
Amortized intangible assets, Accumulated Amortization	(6,296)	(5,788)
Amortized intangible assets, Net Carrying Amount	$ 1,785	2,293
Other Intangible Assets [Member]
Intangible Assets Net Excluding Goodwill [Line Items]
Weighted Average Remaining Useful Life (in years)	1 year 8 months 12 days
Amortized intangible assets, Gross Carrying Amount	$ 1,500	1,500
Amortized intangible assets, Accumulated Amortization	(1,293)	(1,103)
Amortized intangible assets, Net Carrying Amount	207	397
OEM and Dealer Relationships [Member]
Intangible Assets Net Excluding Goodwill [Line Items]
Amortized intangible assets, Gross Carrying Amount	6,724	6,724
Amortized intangible assets, Accumulated Amortization	$ (6,724)	$ (6,724)

XML

Intangible Assets - Summary of Amortization Expenses (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
2018	$ 12,986
2019	18,811
2020	11,046
2021	4,917
2022	1,890
Thereafter	$ 525

XML

Warranties - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Guarantor Obligations [Line Items]
Warranty reserve balance	$ 9,762	$ 2,424
Minimum [Member]
Guarantor Obligations [Line Items]
Warranty term	2 years
Maximum [Member]
Guarantor Obligations [Line Items]
Warranty term	5 years

XML

Long-Term Debt and Other Liabilities - Schedule of Long-Term Debt (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Mar. 03, 2015
Debt Instrument [Line Items]
Total debt	$ 1,026,268	$ 1,017,064
Less deferred financing costs	(14,113)	(16,196)
Total long-term debt	1,012,155	1,000,868
3.75% Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Convertible Notes	322,136	311,544	$ 261,900
12.500% Senior Secured Notes Due 2022 [Member]
Debt Instrument [Line Items]
Senior Secured Notes	$ 704,132	$ 705,520

XML

Long-Term Debt and Other Liabilities - Additional Information (Detail) $ / shares in Units, shares in Millions						3 Months Ended		6 Months Ended
	Sep. 25, 2017 USD ($)	Sep. 20, 2017 USD ($)	Jan. 03, 2017 USD ($)	Jun. 14, 2016 USD ($)	Mar. 03, 2015 USD ($) $ / shares shares	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Trading_day shares	Jun. 30, 2017 USD ($) shares	Dec. 31, 2017 USD ($)	Sep. 19, 2017 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of debt									$ 70,200,000
Total debt						$ 1,026,268,000		$ 1,026,268,000		$ 1,017,064,000
Amortization of deferred financing costs						1,048,000	$ 903,000	2,083,000	$ 1,799,000
Additional paid-in-capital						907,071,000		$ 907,071,000		898,729,000
Forward stock repurchase transactions amount					$ 140,000,000
Forward stock repurchase transaction, shares | shares								7.2	7.2
Letters of Credit [Member]
Debt Instrument [Line Items]
Restricted cash						6,900,000		$ 6,900,000		7,400,000
Convertible Notes [Member]
Debt Instrument [Line Items]
Forward stock repurchase transaction, shares | shares					7.2
Forward stock repurchase transaction, settlement date					Mar. 01, 2020
12.500% Senior Secured Notes Due 2022 [Member]
Debt Instrument [Line Items]
Aggregate principal amount				$ 525,000,000
Interest rate				12.50%
Unamortized debt premium and consent fees						14,100,000		$ 14,100,000		15,500,000
Interest rate payable term								Semi-annually
Maturity date								Jul. 01, 2022
Loan origination fees								$ 11,400,000
Amortization of deferred financing costs						700,000	600,000	1,300,000	$ 1,100,000
Debt issuance costs						11,300,000		$ 11,300,000		12,600,000
12.500% Senior Secured Notes Due 2022 [Member] | Condition One [Member]
Debt Instrument [Line Items]
Debt instrument redemption price percentage of principal amount redeemed								35.00%
Debt instrument redemption price, percentage								112.50%
Outstanding redemption percentage								65.00%
12.500% Senior Secured Notes Due 2022 [Member] | Condition Two [Member]
Debt Instrument [Line Items]
Debt instrument redemption price, percentage				100.00%
12.500% Senior Secured Notes Due 2022 [Member] | Condition Three [Member]
Debt Instrument [Line Items]
Debt instrument redemption price, percentage				101.00%
12.500% Senior Secured Notes Due 2022 [Member] | Additional Notes [Member] | January Two Thousand And Seventeen Additional Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount			$ 65,000,000
Interest rate			12.50%
Issue price as percentage of face value			108.00%
Proceeds from issuance of debt			$ 70,200,000
Loan origination fees								$ 2,000,000
12.500% Senior Secured Notes Due 2022 [Member] | Additional Notes [Member] | September Two Thousand And Seventeen Additional Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount	$ 100,000,000
Interest rate	12.50%
Issue price as percentage of face value	113.00%
Proceeds from issuance of debt	$ 113,000,000
Accrued interest received	$ 2,900,000
Loan origination fees								2,500,000
12.500% Senior Secured Notes Due 2022 [Member] | Supplemental Indenture [Member]
Debt Instrument [Line Items]
Aggregate principal amount		$ 175,000,000									$ 75,000,000
Increase in debt amount		100,000,000
Additional secured indebtedness		50,000,000
Additional dividends		15,000,000
Consent fees paid		$ 1,400,000
3.75% Convertible Senior Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount					$ 361,900,000	361,900,000		$ 361,900,000		361,900,000
Interest rate					3.75%
Interest rate payable term								Semi-annually
Maturity date					Mar. 01, 2020
Amortization of deferred financing costs						400,000	$ 300,000	$ 800,000	$ 700,000
Debt issuance costs						2,800,000		2,800,000		3,600,000
Debt instrument redemption price, percentage					100.00%
Option granted to initial purchasers					$ 60,000,000
Additional paid-in-capital					100,000,000
Convertible Notes, carrying amount of liability component					261,900,000	$ 322,136,000		$ 322,136,000		311,544,000
Effective interest rate on convertible notes						11.50%		11.50%
Proceeds received from the issuance of the convertible notes					$ 361,900,000
Convertible Notes, unamortized discount						$ 39,800,000		$ 39,800,000		50,400,000
Conversion rate					41.9274
Principal amount					$ 1,000
Conversion price | $ / shares					$ 23.85
Multiples of principal amount					$ 1,000
3.75% Convertible Senior Notes [Member] | Minimum [Member]
Debt Instrument [Line Items]
Percentage of common share price over conversion price for conversion								130.00%
Common stock price trading days | Trading_day								20
Common stock price consecutive trading days | Trading_day								30
3.75% Convertible Senior Notes [Member] | Maximum [Member]
Debt Instrument [Line Items]
Debt instrument redemption price, percentage								98.00%
Common stock price trading days | Trading_day								5
Common stock price consecutive trading days | Trading_day								5
3.75% Convertible Senior Notes [Member] | Issuance Costs [Member]
Debt Instrument [Line Items]
Loan origination fees								$ 10,400,000
Additional paid-in-capital						2,900,000		2,900,000
Issuance cost recorded to deferred financing costs						7,500,000		7,500,000
3.75% Convertible Senior Notes [Member] | Institutional Buyers [Member]
Debt Instrument [Line Items]
Aggregate principal amount					340,000,000
Principal amount of Convertible Notes, subsequently exercised					$ 21,900,000
Senior Secured Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount						690,000,000		690,000,000		690,000,000
Total debt						$ 704,132,000		$ 704,132,000		$ 705,520,000

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Long-Term Debt and Other Liabilities - Summary of Redemption Prices Plus Accrued and Unpaid Interest (Detail) - 12.500% Senior Secured Notes Due 2022 [Member]	6 Months Ended
	Jun. 30, 2018
2019 [Member]
Debt Instrument, Redemption [Line Items]
Debt instrument redemption price, percentage	106.25%
2020 [Member]
Debt Instrument, Redemption [Line Items]
Debt instrument redemption price, percentage	103.125%
2021 and Thereafter [Member]
Debt Instrument, Redemption [Line Items]
Debt instrument redemption price, percentage	100.00%

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Interest Costs - Summary of Interest Costs (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Schedule Of Interest [Line Items]
Interest costs charged to expense	$ 24,928	$ 21,689	$ 49,908	$ 43,228
Amortization of deferred financing costs	1,048	903	2,083	1,799
Accretion of debt discount on Convertible Notes	5,368	4,812	10,592	9,493
Amortization of debt premium on Senior Secured Notes	(703)	(178)	(1,388)	(351)
Interest expense	30,641	27,226	61,195	54,169
Total interest costs	30,719	27,481	61,317	54,786
Property and Equipment [Member]
Schedule Of Interest [Line Items]
Interest costs capitalized	3	2	15	6
Software [Member]
Schedule Of Interest [Line Items]
Interest costs capitalized	$ 75	$ 253	$ 107	$ 611

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Leases - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Leases [Line Items]
Amortization of deferred airborne lease incentives		$ 7,462	$ 8,630	$ 15,092	$ 17,978
Deferred airborne lease incentives included in current liabilities	$ 27,207	27,207		27,207		$ 42,096
Deferred airborne lease incentives included in non-current liabilities	128,279	128,279		128,279		142,938
Revenue share expense, net of amortization of deferred airborne lease incentives		6,700	10,200	13,100	19,100
Contingent annual cash rebate	1,800
Property and equipment, gross	915,627	915,627		915,627		1,053,923
Present value of net minimum lease payments	2,006	2,006		2,006
Present value of net minimum lease payments, current portion	1,442	1,442		1,442		1,789
Present value of net minimum lease payments, non-current portion	600	600		600
Leased Computer Equipment [Member]
Leases [Line Items]
Property and equipment, gross	5,300	5,300		5,300		5,000
Leased Network Equipment [Member]
Leases [Line Items]
Property and equipment, gross	$ 7,500	7,500		7,500		$ 7,500
Certain Facilities and Equipment [Member]
Leases [Line Items]
Rental expense		3,000	3,000	6,100	6,000
Cell Site Leases [Member]
Leases [Line Items]
Rental expense		$ 2,600	$ 2,400	$ 5,300	$ 4,700
Minimum [Member] | Computer Equipment [Member]
Leases [Line Items]
Annual interest rate imputed				8.00%
Maximum [Member] | Computer Equipment [Member]
Leases [Line Items]
Annual interest rate imputed						14.00%

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Leases - Annual Future Minimum Obligations for Operating Leases Other than Arrangements with Commercial Airline Partners (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Leases [Abstract]
2018 (period from July 1 to December 31)	$ 11,365
2019	21,083
2020	19,118
2021	18,975
2022	17,703
Thereafter	$ 92,350

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Leases - Annual Future Minimum Obligation under Capital Leases (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Leases [Abstract]
2018 (period from July 1 to December 31)	$ 851
2019	1,053
2020	211
Thereafter	0
Total minimum lease payments	2,115
Less: Amount representing interest	(109)
Present value of net minimum lease payments	$ 2,006

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Commitments and Contingencies - Additional Information (Detail)	6 Months Ended
	Jun. 30, 2018 USD ($)
Loss Contingencies [Line Items]
2018	$ 43,800,000
2019	92,700,000
2020	90,400,000
2021	77,900,000
2022	74,400,000
Thereafter	$ 228,100,000
Pending Litigation [Member]
Loss Contingencies [Line Items]
Litigation filing date	June 27,2018
Potential losses accrued	$ 0
Linksmart Litigation [Member]
Loss Contingencies [Line Items]
Litigation filing date	April 20,2018

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Fair Value of Financial Assets and Liabilities - Summary of Fair Value and Carrying Value of Long-Term Debt (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total debt	$ 1,026,268	$ 1,017,064
Convertible Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value of Convertible Notes	316,000	330,000
Carrying Value of Convertible Notes	322,136	311,544
Senior Secured Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value of Long Term Debt	742,000	782,000
Total debt	$ 704,132	$ 705,520

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Fair Value of Financial Assets and Liabilities - Summary of Fair Value and Carrying Value of Long-Term Debt (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
3.75% Convertible Senior Notes [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Convertible Notes, unamortized discount	$ 39.8	$ 50.4
12.500% Senior Secured Notes Due 2022 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unamortized debt premium and consent fees	$ 14.1	$ 15.5

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Fair Value of Financial Assets and Liabilities - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Assets fair value adjustments	$ 0	$ 0	$ 0	$ 0

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Income Tax - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Effective income tax rate	0.20%	0.80%	5.40%	0.70%
Reduction in our valuation allowance due to tax reform			$ 4,000,000
Interest or penalties related to uncertain tax positions	$ 0	$ 0	0	$ 0
Liabilities for interest and potential penalties	$ 0		0		$ 0
Increase (decrease) in unrecognized tax benefits			$ 0

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Business Segments and Major Customers - Additional Information (Detail) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018 USD ($) Segment	Jun. 30, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Number of operating segments | Segment			3
American Airlines [Member] | Transition Agreements To Airline-directed Model [Member]
Segment Reporting Information [Line Items]
Equipment revenue | $			$ 45.4
Revenue [Member] | Customer Concentration Risk [Member] | American Airlines [Member]
Segment Reporting Information [Line Items]
Percentage of benchmark	22.00%	22.00%	29.00%	22.00%
Revenue [Member] | Customer Concentration Risk [Member] | Delta Air Lines [Member]
Segment Reporting Information [Line Items]
Percentage of benchmark	23.00%	26.00%	22.00%	26.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Percentage of benchmark			14.00%		15.00%
Accounts Receivable [Member] | Credit Concentration Risk [Member] | Delta Air Lines [Member]
Segment Reporting Information [Line Items]
Percentage of benchmark			12.00%		21.00%

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Business Segments and Major Customers - Summary of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Total revenue	$ 227,458	$ 172,800	$ 459,283	$ 338,206
Segment profit (loss)	19,246	9,990	30,620	20,709
Service [Member]
Segment Reporting Information [Line Items]
Total revenue	159,056	154,076	309,734	300,571
Product [Member]
Segment Reporting Information [Line Items]
Total revenue	68,402	18,724	149,549	37,635
CA-NA [Member]
Segment Reporting Information [Line Items]
Total revenue	119,650	100,951	263,471	199,767
Segment profit (loss)	7,041	16,191	8,697	27,350
CA-NA [Member] | Service [Member]
Segment Reporting Information [Line Items]
Total revenue	95,746	98,679	184,529	195,824
CA-NA [Member] | Product [Member]
Segment Reporting Information [Line Items]
Total revenue	23,904	2,272	78,942	3,943
CA-ROW [Member]
Segment Reporting Information [Line Items]
Total revenue	33,645	14,073	52,814	24,359
Segment profit (loss)	(24,474)	(31,403)	(47,079)	(57,958)
CA-ROW [Member] | Service [Member]
Segment Reporting Information [Line Items]
Total revenue	15,185	13,188	29,430	22,556
CA-ROW [Member] | Product [Member]
Segment Reporting Information [Line Items]
Total revenue	18,460	885	23,384	1,803
BA [Member]
Segment Reporting Information [Line Items]
Total revenue	74,163	57,776	142,998	114,080
Segment profit (loss)	36,679	25,202	69,002	51,317
BA [Member] | Service [Member]
Segment Reporting Information [Line Items]
Total revenue	48,125	42,209	95,775	82,191
BA [Member] | Product [Member]
Segment Reporting Information [Line Items]
Total revenue	$ 26,038	$ 15,567	$ 47,223	$ 31,889

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Business Segment and Major Customers - Reconciliation of Segment Profit (loss) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment profit (loss)	$ 19,246	$ 9,990	$ 30,620	$ 20,709
Interest income	1,328	771	2,404	1,316
Interest expense	(30,641)	(27,226)	(61,195)	(54,169)
Depreciation and amortization	(31,938)	(30,562)	(67,857)	(60,997)
Transition to airline-directed model	2,249		21,551
Amortization of deferred airborne lease incentives	7,462	8,630	15,092	17,978
Amortization of STC costs	(255)		(427)
Stock-based compensation expense	(4,213)	(5,394)	(8,599)	(9,724)
Other income (expense)	(374)	(56)	131	(94)
Loss before income taxes	(37,136)	(43,847)	(68,280)	(84,981)
CA-NA [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment profit (loss)	7,041	16,191	8,697	27,350
CA-ROW [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment profit (loss)	(24,474)	(31,403)	(47,079)	(57,958)
BA [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment profit (loss)	$ 36,679	$ 25,202	$ 69,002	$ 51,317

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Employee Retirement and Postretirement Benefits - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Employee Benefit Plans [Line Items]
Stock options, shares granted			2,362,236
Stock options, shares exercised			2,500
Stock options, shares forfeited			560,347
Stock options, shares expired			573,478
Employee Contribution			100.00%
Percentage of employees contribution matched by the company			4.00%
Employer Contribution	$ 1.3	$ 1.2	$ 2.6	$ 2.8
Employee Stock Purchase Plan [Member]
Employee Benefit Plans [Line Items]
Common stock, shares issued under ESPP			141,000
Market Condition [Member]
Employee Benefit Plans [Line Items]
Stock options, shares granted			642,462
Stock options, shares forfeited			286,615
Share units granted			213,543
Share units forfeited			66,137
Restricted Stock Units (RSUs) [Member]
Employee Benefit Plans [Line Items]
Share units granted			966,599
Share units vested			443,284
Share units forfeited			196,160
Restricted Stock [Member]
Employee Benefit Plans [Line Items]
Share units vested			90,871
Deferred Stock Units [Member]
Employee Benefit Plans [Line Items]
Share units granted			66,220
Share units vested			66,220

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Employee Retirement and Postretirement Benefits - Summary of Stock-Based Compensation Expense by Operating Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	$ 4,213	$ 5,394	$ 8,599	$ 9,724
Cost of Service Revenue [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	447	332	881	790
Cost of Equipment Revenue [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	59	50	113	87
Engineering, Design and Development [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	783	1,054	1,693	1,904
Sales and Marketing [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	1,226	1,419	2,308	2,168
General and Administrative [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]
Total stock-based compensation expense	$ 1,698	$ 2,539	$ 3,604	$ 4,775

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Research and Development Costs - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Research and Development [Abstract]
Research and development expense	$ 18.0	$ 17.2	$ 37.1	$ 39.3