10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_______________________________________________________________

FORM 10-Q

_______________________________________________________________

x 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 001-32959

_______________________________________________________________

AIRCASTLE LIMITED

(Exact name of registrant as specified in its charter)

_______________________________________________________________

Bermuda	98-0444035
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)
c/o Aircastle Advisor LLC 201 Tresser Boulevard, Suite 400, Stamford, CT	06901
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code     (203) 504-1020

_______________________________________________________________

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  þ    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  þ    NO  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, 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	þ	Accelerated filer	¨
Non-accelerated filer	o  (Do not check if a 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  þ

As of August 3, 2018, there were 78,186,008 outstanding shares of the registrant’s common shares, par value $0.01 per share.

Aircastle Limited and Subsidiaries

Form 10-Q

Table of Contents

		Page No.
	PART I. – FINANCIAL INFORMATION
Item 1.	Financial Statements
	Consolidated Balance Sheets as of June 30, 2018 and December 31, 2017	3
	Consolidated Statements of Income (Loss) for the three and six months ended June 30, 2018 and 2017	4
	Consolidated Statements of Comprehensive Income (Loss) for the three and six months ended June 30, 2018 and 2017	5
	Consolidated Statements of Cash Flows for the six months ended June 30, 2018 and 2017	6
	Notes to Unaudited Consolidated Financial Statements	8
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	21
Item 3.	Quantitative and Qualitative Disclosures about Market Risk	42
Item 4.	Controls and Procedures	43
	PART II. – OTHER INFORMATION
Item 1.	Legal Proceedings	44
Item 1A.	Risk Factors	44
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	44
Item 3.	Defaults Upon Senior Securities	44
Item 4.	Mine Safety Disclosures	44
Item 5.	Other Information	44
Item 6.	Exhibits	45
SIGNATURE		47

2

PART I. — FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

Aircastle Limited and Subsidiaries

Consolidated Balance Sheets

(Dollars in thousands, except share data)

	June 30, 2018			December 31, 2017
	(Unaudited)
ASSETS
Cash and cash equivalents	$	142,360		$	211,922
Restricted cash and cash equivalents	20,880			21,935
Accounts receivable	19,357			12,815
Flight equipment held for lease, net of accumulated depreciation of $1,177,448 and $1,125,594, respectively	6,249,406			6,188,469
Net investment in finance and sales-type leases	526,738			545,750
Unconsolidated equity method investments	80,100			76,982
Other assets	174,307			141,210
Total assets	$	7,213,148		$	7,199,083
LIABILITIES AND SHAREHOLDERS’ EQUITY
LIABILITIES
Borrowings from secured financings, net of debt issuance costs	$	798,522		$	849,874
Borrowings from unsecured financings, net of debt issuance costs	3,392,169			3,463,732
Accounts payable, accrued expenses and other liabilities	131,364			140,221
Lease rentals received in advance	76,780			57,630
Security deposits	131,101			130,628
Maintenance payments	719,806			649,434
Total liabilities	5,249,742			5,291,519
Commitments and Contingencies
SHAREHOLDERS’ EQUITY
Preference shares, $0.01 par value, 50,000,000 shares authorized, no shares issued and outstanding	—			—
Common shares, $0.01 par value, 250,000,000 shares authorized, 78,244,038 shares issued and outstanding at June 30, 2018; and 78,707,963 shares issued and outstanding at December 31, 2017	782			787
Additional paid-in capital	1,519,479			1,527,796
Retained earnings	443,900			380,331
Accumulated other comprehensive loss	(755		)	(1,350		)
Total shareholders’ equity	1,963,406			1,907,564
Total liabilities and shareholders’ equity	$	7,213,148		$	7,199,083

The accompanying notes are an integral part of these unaudited consolidated financial statements.

3

Aircastle Limited and Subsidiaries

Consolidated Statements of Income (Loss)

(Dollars in thousands, except per share amounts)

(Unaudited)

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Revenues:
Lease rental revenue	$	178,486		$	189,098		$	355,969		$	379,684
Finance and sales-type lease revenue	8,868			5,878			18,310			9,951
Amortization of lease premiums, discounts and incentives	(3,534		)	(3,280		)	(6,662		)	(6,392		)
Maintenance revenue	—			28,944			11,991			41,231
Total lease revenue	183,820			220,640			379,608			424,474
Gain on sale of flight equipment	19,864			13,525			25,632			14,284
Other revenue	592			2,894			1,716			3,333
Total revenues	204,276			237,059			406,956			442,091
Operating expenses:
Depreciation	76,181			78,254			151,183			157,428
Interest, net	57,398			61,672			114,506			124,740
Selling, general and administrative (including non-cash share-based payment expense of $3,076 and $6,028 for the three months ended and $5,454 and $8,130 for the six months ended June 30, 2018 and 2017, respectively)	18,583			22,187			36,418			38,354
Impairment of flight equipment	—			79,930			—			80,430
Maintenance and other costs	1,561			2,343			2,549			5,274
Total expenses	153,723			244,386			304,656			406,226
Total other income (expense)	901			(1,560		)	4,075			(2,709		)
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	51,454			(8,887		)	106,375			33,156
Income tax provision	3,132			495			2,288			2,341
Earnings of unconsolidated equity method investments, net of tax	1,881			2,266			3,663			4,508
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Earnings (loss) per common share — Basic:
Net income (loss) per share	$	0.64		$	(0.09	)	$	1.37		$	0.45
Earnings (loss) per common share — Diluted:
Net income (loss) per share	$	0.64		$	(0.09	)	$	1.37		$	0.45
Dividends declared per share	$	0.28		$	0.26		$	0.56		$	0.52

The accompanying notes are an integral part of these unaudited consolidated financial statements.

4

Aircastle Limited and Subsidiaries

Consolidated Statements of Comprehensive Income (Loss)

(Dollars in thousands)

(Unaudited)

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
Net income (loss)	$	50,203	$	(7,116	)	$	107,750	$	35,323
Other comprehensive income, net of tax:
Net derivative loss reclassified into earnings	294		575			595		1,156
Other comprehensive income	294		575			595		1,156
Total comprehensive income (loss)	$	50,497	$	(6,541	)	$	108,345	$	36,479

The accompanying notes are an integral part of these unaudited consolidated financial statements.

5

Aircastle Limited and Subsidiaries

Consolidated Statements of Cash Flows

(Dollars in thousands)

(Unaudited)

	Six Months Ended June 30,
	2018			2017
Cash flows from operating activities:
Net income	$	107,750		$	35,323
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	151,183			157,428
Amortization of deferred financing costs	7,042			9,125
Amortization of lease premiums, discounts and incentives	6,662			6,392
Deferred income taxes	3,126			(833		)
Non-cash share-based payment expense	5,454			8,130
Cash flow hedges reclassified into earnings	595			1,156
Security deposits and maintenance payments included in earnings	(554		)	(23,063		)
Gain on sale of flight equipment	(25,632		)	(14,284		)
Impairment of flight equipment	—			80,430
Other	(7,491		)	1,211
Changes in certain assets and liabilities:
Accounts receivable	(7,315		)	2,090
Other assets	(3,086		)	(11,407		)
Accounts payable, accrued expenses and other liabilities	(14,799		)	(2,194		)
Lease rentals received in advance	16,908			(2,115		)
Net cash and restricted cash provided by operating activities	239,843			247,389
Cash flows from investing activities:
Acquisition and improvement of flight equipment	(365,505		)	(148,364		)
Proceeds from sale of flight equipment	178,185			238,277
Net investment in finance and sales-type leases	(16,256		)	(119,971		)
Collections on finance and sales-type leases	13,127			17,185
Aircraft purchase deposits and progress payments, net of returned deposits and aircraft sales deposits	(3,965		)	(2,892		)
Other	2,956			88
Net cash and restricted cash used in investing activities	(191,458		)	(15,677		)
Cash flows from financing activities:
Repurchase of shares	(14,987		)	(2,513		)
Proceeds from secured and unsecured debt financings	—			500,000
Repayments of secured and unsecured debt financings	(128,342		)	(667,472		)
Deferred financing costs	(1,615		)	(8,540		)
Security deposits and maintenance payments received	108,653			87,185
Security deposits and maintenance payments returned	(38,718		)	(77,593		)
Dividends paid	(43,993		)	(40,948		)
Net cash and restricted cash used in financing activities	(119,002		)	(209,881		)
Net (decrease) increase in cash and restricted cash	(70,617		)	21,831
Cash and restricted cash at beginning of period	233,857			508,817
Cash and restricted cash at end of period	$	163,240		$	530,648

6

Aircastle Limited and Subsidiaries

Consolidated Statements of Cash Flows (Continued)

(Dollars in thousands)

(Unaudited)

	Six Months Ended June 30,
	2018		2017
Supplemental disclosures of cash flow information:
Cash paid for interest, net of capitalized interest	$	108,078	$	117,420
Cash paid for income taxes	$	5,533	$	2,200
Supplemental disclosures of non-cash investing activities:
Advance lease rentals, security deposits and maintenance payments assumed in asset acquisitions	$	28,348	$	3,653
Advance lease rentals, security deposits, and maintenance payments, other liabilities and other assets settled in sale of flight equipment	$	40,116	$	44,603
Transfers from Flight equipment held for lease to Net investment in finance and sales-type leases and Other assets	$	40,198	$	99,162

The accompanying notes are an integral part of these unaudited consolidated financial statements.

7

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

Note 1. Summary of Significant Accounting Policies

Organization and Basis of Presentation

Aircastle Limited (“Aircastle,” the “Company,” “we,” “us” or “our”) is a Bermuda exempted company that was incorporated on October 29, 2004 under the provisions of Section 14 of the Companies Act of 1981 of Bermuda. Aircastle’s business is acquiring, leasing, managing and selling commercial jet aircraft.

Aircastle is a holding company that conducts its business through subsidiaries. Aircastle directly or indirectly owns all of the outstanding common shares of its subsidiaries. The consolidated financial statements presented are prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”). The Company manages, analyzes and reports on its business and results of operations on the basis of one operating segment: leasing, financing, selling and managing commercial flight equipment. Our Chief Executive Officer is the chief operating decision maker.

The accompanying consolidated financial statements are unaudited and have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) for interim financial reporting and, in our opinion, reflect all adjustments, including normal recurring items, which are necessary to present fairly the results for interim periods. Operating results for the periods presented are not necessarily indicative of the results that may be expected for the entire year. Certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been omitted in accordance with the rules and regulations of the SEC; however, we believe that the disclosures are adequate to make information presented not misleading. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

As part of the Company’s adoption of Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606), we have reclassified Gain on sale of flight equipment from Other income (expense) to Revenues on our Consolidated Statements of Income for the three and six months endedJune 30, 2018. We believe this better reflects the sale of flight equipment as part of our ordinary activities and conforms our presentation to those of our publicly traded peers. The presentation for the three and six months endedJune 30, 2017, has also been reclassified to conform to the current period presentation:

	Three Months Ended June 30, 2017		Six Months Ended June 30, 2017
Total revenues as previously reported	$	223,534	$	427,807
Gain on sale of flight equipment	13,525		14,284
Total revenues	$	237,059	$	442,091

The Company’s management has reviewed and evaluated all events or transactions for potential recognition and/or disclosure since the balance sheet date of June 30, 2018, through the date on which the consolidated financial statements included in this Form 10-Q were issued.

Effective January 1, 2018, the Company adopted FASB ASU No. 2016-15, Statement of Cash Flows (Topic 230), Classification of Certain Cash Receipts and Cash Payments. The standard clarifies how entities should classify certain cash receipts and cash payments on the statement of cash flows. The guidance also clarifies how the predominance principle should be applied when cash receipts and cash payments have aspects of more than one class of cash flows. The update is applied using a retrospective transition method to each period presented. The standard did not have a material impact on our consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted FASB ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) and related updates, as noted above. Lease contracts within the scope of Accounting Standards Codification (“ASC”) 840, Leases, are specifically excluded from ASU No. 2014-09. The standard’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which a company expects to be entitled in exchange for those goods or services. The update is applied using the modified retrospective approach. The standard did not have a material impact on our consolidated financial statements and related disclosures.

8

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

Effective January 1, 2018, the Company adopted FASB ASU No. 2017-09, Compensation-Stock Compensation (Topic 718), Scope of Modification Accounting. The standard clarifies when changes to the terms or conditions of a share-based payment award must be accounted for as modifications. Entities will apply the modification accounting guidance if the value, vesting conditions or classification of the award changes. In addition, when applicable, disclosure is required to indicate that compensation expense has not changed. The update is applied using a prospective transition method to each period presented. The standard did not have a material impact on our consolidated financial statements and related disclosures.

Principles of Consolidation

The consolidated financial statements include the accounts of Aircastle and all of its subsidiaries. Aircastle consolidates four Variable Interest Entities (“VIEs”) of which Aircastle is the primary beneficiary. All intercompany transactions and balances have been eliminated in consolidation.

We consolidate VIEs in which we have determined that we are the primary beneficiary. We use judgment when deciding: (a) whether an entity is subject to consolidation as a VIE; (b) who the variable interest holders are; (c) the potential expected losses and residual returns of the variable interest holders; and (d) which variable interest holder is the primary beneficiary. When determining which enterprise is the primary beneficiary, we consider: (1) the entity’s purpose and design; (2) which variable interest holder has the power to direct the activities that most significantly impact the entity’s economic performance; and (3) the obligation to absorb losses of the entity or the right to receive benefits from the entity that could potentially be significant to the VIE. When certain events occur, we reconsider whether we are the primary beneficiary of VIEs. We do not reconsider whether we are a primary beneficiary solely because of operating losses incurred by an entity.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. While Aircastle believes that the estimates and related assumptions used in the preparation of the consolidated financial statements are appropriate, actual results could differ from those estimates.

Recent Accounting Pronouncements

On February 25, 2016, the FASB issued ASC 842, Leases (“ASC 842”) which, together with all subsequent amendments, replaced the existing guidance in ASC 840, Leases (“ASC 840”). The accounting for leases by lessors basically remained unchanged from the concepts that existed in ASC 840 accounting. The FASB decided that lessors would be precluded from recognizing selling profit and revenue at lease commencement for any sales-type or direct finance lease that does not transfer control of the underlying asset to the lessee. This requirement aligns the notion of what constitutes a sale in the lessor accounting guidance with that in the forthcoming revenue recognition standard, which evaluates whether a sale has occurred from the customer’s perspective. The standard will be effective for reporting periods beginning after December 15, 2018. We plan to adopt the standard on its required effective date of January 1, 2019, using the “modified retrospective” approach and are reviewing which, if any, practical expedients to use. We are also evaluating the impact that ASC 842 will have on our consolidated financial statements and related disclosures. We do not believe that the adoption of the standard will significantly impact our existing or potential lessees' economic decisions to lease aircraft.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments. The standard affects entities holding financial assets and net investment in leases that are not accounted for at fair value through net income. The amendments affect loans, debt securities, trade receivables, net investments in leases, off-balance-sheet credit exposures, reinsurance receivables, and any other financial assets not excluded from the scope that have the contractual right to receive cash. The standard is applied on a modified retrospective approach. The standard is effective for annual periods beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted as early as the fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. We are in the process of determining the impact the standard will have on our consolidated financial statements and related disclosures.

9

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

Note 2. Fair Value Measurements

Fair value measurements and disclosures require the use of valuation techniques to measure fair value that maximize the use of observable inputs and minimize use of unobservable inputs. These inputs are prioritized as follows:

• Level 1: Observable inputs such as quoted prices in active markets for identical assets or liabilities.

• Level 2: Inputs other than quoted prices included within Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities or market corroborated inputs.

• Level 3: Unobservable inputs for which there is little or no market data and which require us to develop our own assumptions about how market participants price the asset or liability.

The valuation techniques that may be used to measure fair value are as follows:

• The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities.

• The income approach uses valuation techniques to convert future amounts to a single present amount based on current market expectation about those future amounts.

• The cost approach is based on the amount that currently would be required to replace the service capacity of an asset (replacement cost).

The following tables set forth our financial assets as of June 30, 2018 and December 31, 2017 that we measured at fair value on a recurring basis by level within the fair value hierarchy. Assets measured at fair value are classified in their entirety based on the lowest level of input that is significant to their fair value measurement. 

			Fair Value Measurements at June 30, 2018 Using Fair Value Hierarchy
	Fair Value as of June 30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique
Assets:
Cash and cash equivalents	$	142,360	$	142,360	$	—	$	—	Market
Restricted cash and cash equivalents	20,880		20,880		—		—		Market
Derivative assets	7,329		—		7,329		—		Market
Total	$	170,569	$	163,240	$	7,329	$	—

			Fair Value Measurements at December 31, 2017 Using Fair Value Hierarchy
	Fair Value as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique
Assets:
Cash and cash equivalents	$	211,922	$	211,922	$	—	$	—	Market
Restricted cash and cash equivalents	21,935		21,935		—		—		Market
Derivative assets	3,254		—		3,254		—		Market
Total	$	237,111	$	233,857	$	3,254	$	—

Our cash and cash equivalents, along with our restricted cash and cash equivalents balances, consist largely of money market securities that are considered to be highly liquid and easily tradable. These securities are valued using inputs observable

10

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

in active markets for identical securities and are therefore classified as Level 1 within our fair value hierarchy. Our interest rate derivative included in Level 2 consists of United States dollar-denominated interest rate cap, and the fair value is based on market comparisons for similar instruments. We also considered the credit rating and risk of the counterparty providing the interest rate cap based on quantitative and qualitative factors.

For the three and six months endedJune 30, 2018 and the year ended December 31, 2017, we had no transfers into or out of Level 3.

We measure the fair value of certain assets and liabilities on a non-recurring basis, when U.S. GAAP requires the application of fair value, including events or changes in circumstances that indicate that the carrying amounts of assets may not be recoverable. Assets subject to these measurements include our investments in unconsolidated joint ventures and aircraft. We account for our investments in unconsolidated joint ventures under the equity method of accounting and record impairment when its fair value is less than its carrying value. We record aircraft at fair value when we determine the carrying value may not be recoverable. Fair value measurements for aircraft in impairment tests are based on an income approach which uses Level 3 inputs, which include the Company’s assumptions and appraisal data as to future cash proceeds from leasing and selling aircraft.

Aircraft Valuation

Annual Recoverability Assessment

We completed our annual recoverability assessment of our aircraft in the second quarter this year. We also performed aircraft-specific analyses where there were changes in circumstances, such as approaching lease expirations. No impairments were recorded as a result of our annual recoverability assessment.

The recoverability assessment is a comparison of the carrying value of each aircraft to its undiscounted expected future cash flows. We develop the assumptions used in the recoverability assessment, including those relating to current and future demand for each aircraft type, based on management’s experience in the aircraft leasing industry, as well as information received from third-party sources. Estimates of the undiscounted cash flows for each aircraft type are impacted by changes in contracted and future expected lease rates, residual values, expected scrap values, economic conditions and other factors.

Management believes that the net book value of each aircraft is currently supported by the estimated future undiscounted cash flows expected to be generated by that aircraft, and accordingly, no aircraft were impaired as a consequence of our annual recoverability assessment. However, if our estimates or assumptions change, we may revise our cash flow assumptions and record future impairment charges. While we believe that the estimates and related assumptions used in the annual recoverability assessment are appropriate, actual results could differ from those estimates.

Financial Instruments

Our financial instruments, other than cash, consist principally of cash equivalents, restricted cash and cash equivalents, accounts receivable, accounts payable, amounts borrowed under financings and interest rate derivatives. The fair value of cash, cash equivalents, restricted cash and cash equivalents, accounts receivable and accounts payable approximates the carrying value of these financial instruments because of their short-term nature.

The fair value of our senior notes is estimated using quoted market prices. The fair values of all our other financings are estimated using a discounted cash flow analysis, based on our current incremental borrowing rates for similar types of borrowing arrangements.

11

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

The carrying amounts and fair values of our financial instruments at June 30, 2018 and December 31, 2017 were as follows:

	June 30, 2018				December 31, 2017
	Carrying  Amount of Liability		Fair Value of Liability		Carrying Amount of Liability		Fair Value of Liability
Credit Facilities	$	100,000	$	100,000	$	175,000	$	175,000
Unsecured Term Loan	120,000		120,000		120,000		120,000
ECA Financings	208,448		208,823		227,491		232,030
Bank Financings	600,883		602,468		634,898		634,132
Senior Notes	3,200,000		3,246,700		3,200,000		3,367,245

All of our financial instruments are classified as Level 2 with the exception of our Senior Notes, which are classified as Level 1.

Note 3. Lease Rental Revenues and Flight Equipment Held for Lease

Minimum future annual lease rentals contracted to be received under our existing operating leases of flight equipment at June 30, 2018 were as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	373,563
2019	679,349
2020	576,304
2021	459,712
2022	367,244
Thereafter	725,712
Total	$	3,181,884

Geographic concentration of lease rental revenue earned from flight equipment held for lease was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
Region	2018		2017		2018		2017
Asia and Pacific	35	%	37	%	35	%	39	%
Europe	29	%	24	%	29	%	23	%
Middle East and Africa	11	%	12	%	11	%	12	%
North America	8	%	8	%	8	%	7	%
South America	17	%	19	%	17	%	19	%
Total	100	%	100	%	100	%	100	%

The classification of regions in the tables above and in the table and discussion below is determined based on the principal location of the lessee of each aircraft.

12

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

The following table shows the number of lessees with lease rental revenue of at least 5% and their combined total percentage of lease rental revenue for the years indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue
Largest lessees by lease rental revenue	3	19%	3	19%	3	19%	3	19%

At June 30, 2018 and December 31, 2017, no country represented at least 10% of total revenue based on each counterparty’s principal place of business.

Geographic concentration of net book value of flight equipment (including flight equipment held for lease and net investment in finance and sales-type leases, or “net book value”) was as follows:

	June 30, 2018			December 31, 2017
Region	Number of Aircraft	Net Book Value %		Number of Aircraft		Net Book Value %
Asia and Pacific	62	30	%	59		30	%
Europe	87	30	%	92		32	%
Middle East and Africa	17	9	%	15		9	%
North America	36	12	%	32		10	%
South America	26	19	%	25		19	%
Off-lease	—	—	%	1	(1)	—	%
Total	228	100	%	224		100	%

_______________

(1) Consisted of one Airbus A321-200 aircraft, which was delivered on lease to a customer in the second quarter of 2018.

At June 30, 2018 and December 31, 2017, no country represented at least 10% of net book value of flight equipment based on each lessee’s principal place of business.

At June 30, 2018 and December 31, 2017, the amounts of lease incentive liabilities recorded in maintenance payments on our Consolidated Balance Sheets were $15,709 and $11,496, respectively.

Note 4. Net Investment in Finance and Sales-Type Leases

At June 30, 2018, our net investment in finance and sales-type leases consisted of 30 aircraft. The following table lists the components of our net investment in finance and sales-type leases at June 30, 2018:

	Amount
Total lease payments to be received	$	298,808
Less: Unearned income	(148,283		)
Estimated residual values of leased flight equipment (unguaranteed)	376,213
Net investment in finance and sales-type leases	$	526,738

13

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

At June 30, 2018, minimum future lease payments on finance and sales-type leases are as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	35,080
2019	66,285
2020	63,840
2021	53,057
2022	42,460
Thereafter	38,086
Total lease payments to be received	$	298,808

Note 5. Unconsolidated Equity Method Investments

We have joint ventures with an affiliate of Ontario Teachers’ Pension Plan (“Teachers’”) and with the leasing arm of the Industrial Bank of Japan, Limited (“IBJL”).

At June 30, 2018, the net book value of both joint ventures’ twelve aircraft was approximately $628,000.

	Amount
Investment in joint ventures at December 31, 2017	$	76,982
Investment in joint ventures	355
Earnings from joint ventures, net of tax	3,663
Distributions	(900		)
Investment in joint ventures at June 30, 2018	$	80,100

The Company has recorded in its Consolidated Balance Sheet a $13,200 guarantee liability in Maintenance payments and a $5,100 guarantee liability in Security deposits representing its share of the respective exposures.

Note 6. Variable Interest Entities

Aircastle consolidates four VIEs of which it is the primary beneficiary. The operating activities of these VIEs are limited to acquiring, owning, leasing, maintaining, operating and, under certain circumstances, selling the six aircraft discussed below.

ECA Financings

Aircastle, through various subsidiaries, each of which is owned by a charitable trust (such entities, collectively the “Air Knight VIEs”), has entered into six different twelve-year term loans, which are supported by guarantees from Compagnie Française d'Assurance pour le Commerce Extérieur, (“COFACE”), the French government sponsored export credit agency (“ECA”). We refer to these COFACE-supported financings as “ECA Financings.”

Aircastle is the primary beneficiary of the Air Knight VIEs, as we have the power to direct the activities of the VIEs that most significantly impact the economic performance of such VIEs and we bear the significant risk of loss and participate in gains through a finance lease. The activity that most significantly impacts the economic performance is the leasing of aircraft of which our wholly owned subsidiary is the servicer and is responsible for managing the relevant aircraft. There is a cross collateralization guarantee between the Air Knight VIEs. In addition, Aircastle guarantees the debt of the Air Knight VIEs.

The only assets that the Air Knight VIEs have on their books are financing leases that are eliminated in the consolidated financial statements. The related aircraft, with a net book value as of June 30, 2018 of $403,835, were included in our flight

14

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

equipment held for lease. The consolidated debt outstanding, net of debt issuance costs, of the Air Knight VIEs as of June 30, 2018 is $203,882.

Note 7. Secured and Unsecured Debt Financings

The outstanding amounts of our secured and unsecured term debt financings are as follows:

	At June 30, 2018						At December 31, 2017
Debt Obligation	Outstanding Borrowings			Number of Aircraft	Interest Rate	Final Stated Maturity	Outstanding Borrowings
Secured Debt Financings:
ECA Financings(1)	$	208,448		6	3.02% to 3.96%	12/03/21 to 11/30/24	$	227,491
Bank Financings(2)	600,883			23	2.22% to 4.49%	09/11/18 to 01/19/26	634,898
Less: Debt Issuance Costs	(10,809		)	—			(12,515		)
Total secured debt financings, net of debt issuance costs	798,522			29			849,874
Unsecured Debt Financings:
Senior Notes due 2018	400,000				4.625%	12/15/18	400,000
Senior Notes due 2019	500,000				6.25%	12/01/19	500,000
Senior Notes due 2020	300,000				7.625%	04/15/20	300,000
Senior Notes due 2021	500,000				5.125%	03/15/21	500,000
Senior Notes due 2022	500,000				5.50%	02/15/22	500,000
Senior Notes due 2023	500,000				5.00%	04/01/23	500,000
Senior Notes due 2024	500,000				4.125%	05/01/24	500,000
Unsecured Term Loan	120,000				4.335%	04/28/19	120,000
Revolving Credit Facilities	100,000				4.19%	11/21/19 to 06/27/22	175,000
Less: Debt Issuance Costs	(27,831		)				(31,268		)
Total unsecured debt financings, net of debt issuance costs	3,392,169						3,463,732
Total secured and unsecured debt financings, net of debt issuance costs	$	4,190,691					$	4,313,606

(1) The borrowings under these financings at June 30, 2018 have a weighted-average rate of interest of 3.58%.

(2) The borrowings under these financings at June 30, 2018 have a weighted-average fixed rate of interest of 4.24%.

Unsecured Debt Financings:

Revolving Credit Facility

On June 27, 2018, we increased the size of one of our unsecured revolving credit facilities from $675,000 to $800,000 and extended its maturity by more than two years to June 2022 and the interest rate decreased from LIBOR plus 2.25% to LIBOR plus 1.50%. At June 30, 2018, we had $100,000 outstanding under our revolving credit facilities.

As of June 30, 2018, we were in compliance with all applicable covenants in our financings.

15

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

Note 8. Shareholders' Equity and Share-Based Payment

During the six months endedJune 30, 2018, the Company issued 291,876 restricted common shares and issued 306,359 performance share units (“PSUs”). These awards were made under the Aircastle Limited Amended and Restated 2014 Omnibus Incentive Plan.

During the six months endedJune 30, 2018, the Company incurred share-based compensation expense of $2,813 related to restricted common shares and $2,641 related to PSUs.

As of June 30, 2018, there was $7,249 of unrecognized compensation cost related to unvested restricted common share-based payments and $9,276 of unrecognized compensation cost related to unvested PSU share-based payments that are expected to be recognized over a weighted-average remaining period of 1.95 years.

During the six months ended June 30, 2018, we repurchased 638,636 common shares at an aggregate cost of $12,492, including commissions. At June 30, 2018, the remaining dollar value of shares that may be repurchased under the repurchase program approved by our Board of Directors on February 9, 2016 is $83,396.

Note 9. Dividends

The following table sets forth the quarterly dividends declared by our Board of Directors for the periods covered in this report:

Declaration Date	Dividend per Common  Share		Aggregate Dividend Amount		Record Date	Payment Date
May 1, 2018	$	0.28	$	21,908	May 31, 2018	June 15, 2018
February 9, 2018	$	0.28	$	22,085	February 28, 2018	March 15, 2018
October 31, 2017	$	0.28	$	22,039	November 30, 2017	December 15, 2017
August 4, 2017	$	0.26	$	20,464	August 31, 2017	September 15, 2017
May 2, 2017	$	0.26	$	20,482	May 31, 2017	June 15, 2017

Note 10. Earnings (Loss) Per Share

We include all common shares granted under our incentive compensation plan which remain unvested (“restricted common shares”) and contain non-forfeitable rights to dividends or dividend equivalents, whether paid or unpaid (“participating securities”), in the number of shares outstanding in our basic earnings per share calculations using the two-class method. All of our restricted common shares are currently participating securities. Our PSUs are contingently issuable shares which are included in our diluted earnings per share calculations which do not include voting or dividend rights.

Under the two-class method, earnings per common share is computed by dividing the sum of distributed earnings allocated to common shareholders and undistributed earnings allocated to common shareholders by the weighted-average number of common shares outstanding for the period. In applying the two-class method, distributed and undistributed earnings are allocated to both common shares and restricted common shares based on the total weighted-average shares outstanding during the period. As the holders of the participating restricted common shares are not contractually required to share in the Company’s losses, in applying the two-class method to compute the basic and diluted net loss per common share no allocation to restricted common shares was made for the three months endedJune 30, 2017.

16

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Weighted-average shares:
Common shares outstanding	77,910,513		78,176,705		78,137,290		78,176,705
Restricted common shares	498,433		634,217		464,983		569,370
Total weighted-average shares	78,408,946		78,810,922		78,602,273		78,746,075
Percentage of weighted-average shares:
Common shares outstanding	99.36	%	99.20	%	99.41	%	99.28	%
Restricted common shares	0.64	%	0.80	%	0.59	%	0.72	%
Total percentage of weighted-average shares	100.00	%	100.00	%	100.00	%	100.00	%

The calculations of both basic and diluted earnings per share are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Earnings (loss) per share – Basic:
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Less: Distributed and undistributed earnings allocated to restricted common shares(1)	(319		)	—			(637		)	(255		)
Earnings (loss) available to common shareholders – Basic	$	49,884		$	(7,116	)	$	107,113		$	35,068
Weighted-average common shares outstanding – Basic	77,910,513			78,176,705			78,137,290			78,176,705
Earnings (loss) per common share – Basic	$	0.64		$	(0.09	)	$	1.37		$	0.45
Earnings (loss) per share – Diluted:
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Less: Distributed and undistributed earnings allocated to restricted common shares(1)	(319		)	—			(637		)	(255		)
Earnings (loss) available to common shareholders – Diluted	$	49,884		$	(7,116	)	$	107,113		$	35,068
Weighted-average common shares outstanding – Basic	77,910,513			78,176,705			78,137,290			78,176,705
Effect of dilutive shares(2)	337,716			—			282,868			227,350
Weighted-average common shares outstanding – Diluted	78,248,229			78,176,705			78,420,158			78,404,055
Earnings (loss) per common share – Diluted	$	0.64		$	(0.09	)	$	1.37		$	0.45

(1) For the three months endedJune 30, 2018, distributed and undistributed earnings to restricted shares was 0.64% of net income. For the three months endedJune 30, 2017, the effect of any diluted shares on distributed and undistributed earnings to restricted shares would have been anti-dilutive and was excluded from the calculation. For the six months endedJune 30, 2018 and 2017, distributed and undistributed earnings to restricted shares were 0.59% and 0.72%, respectively, of net income. The amount of restricted share forfeitures for all periods presented is immaterial to the allocation of distributed and undistributed earnings.

(2) For the three months endedJune 30, 2018 and for the six months endedJune 30, 2018 and 2017, dilutive shares represented contingently issuable shares. For the three months endedJune 30, 2017, the effect of 170,116 contingently issuable shares related to the Company’s PSUs would have been anti-dilutive and were excluded from the calculation.

Note 11. Income Taxes

Income taxes have been provided based on the tax laws and rates in countries in which our operations are conducted and income is earned. The Company received an assurance from the Bermuda Minister of Finance that it would be exempted from local income, withholding and capital gains taxes until March 2035. Consequently, the provision for income taxes

17

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

relates to income earned by certain subsidiaries of the Company which are located in, or earn income in, jurisdictions that impose income taxes, primarily Ireland and the United States.

The sources of income (loss) from continuing operations before income taxes and earnings of our unconsolidated equity method investments for the three and six months endedJune 30, 2018 and 2017 were as follows: 

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
U.S. operations	$	788	$	902		$	1,471	$	1,498
Non-U.S. operations	50,666		(9,789		)	104,904		31,658
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	$	51,454	$	(8,887	)	$	106,375	$	33,156

Our aircraft-owning subsidiaries that are recognized as corporations for U.S. tax purposes are primarily non-U.S. corporations. These subsidiaries generally earn income from sources outside the United States and typically are not subject to U.S. federal, state or local income taxes. The aircraft owning subsidiaries resident in Ireland, Mauritius and the U.S. are subject to tax in those respective jurisdictions.

We have a U.S. based subsidiary which provides management services to our subsidiaries and is subject to U.S. federal, state and local income taxes. We also have Ireland and Singapore based subsidiaries which provide management services to our non-U.S. subsidiaries and are subject to tax in those respective jurisdictions.

The consolidated income tax expense for the three and six months endedJune 30, 2018 and 2017 was determined based on estimates of the Company’s consolidated effective income tax rates for the years ending December 31, 2018 and 2017, respectively.

The Company’s effective tax rate (“ETR”) for the three and six months endedJune 30, 2018 was 6.1% and 2.2%, respectively, compared to (5.6)% and 7.1%, respectively, for the three and six months endedJune 30, 2017. The first quarter 2018 included a $2,779 tax benefit related to the Singapore rate reduction from 10% to 8%, which was treated as a discrete item. Excluding this tax benefit, the ETR would have been 4.8% for the six months endedJune 30, 2018. The pre-tax earnings (loss) for the three and six months endedJune 30, 2017 included impairment charges of approximately $79,930 and $80,430, respectively, in a non-taxable jurisdiction. Movements in the ETR are generally caused by changes in the proportion of the Company’s pre-tax earnings in taxable and non-tax jurisdictions.

Differences between statutory income tax rates and our effective income tax rates applied to pre-tax income (loss) from continuing operations consisted of the following:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Notional U.S. federal income tax expense at the statutory rate	$	10,806		$	(3,110	)	$	22,339		$	11,605
U.S. state and local income tax, net	55			48			103			89
Non-U.S. operations:
Bermuda	(6,112		)	10,456			(14,395		)	1,628
Ireland	(811		)	(796		)	(1,128		)	(254		)
Singapore	—			(4,662		)	(2,824		)	(7,589		)
Other low tax jurisdictions	(835		)	(1,487		)	(1,643		)	(2,927		)
Non-deductible expenses in the U.S.	29			55			(164		)	(194		)
Other	—			(9		)	—			(17		)
Income tax provision	$	3,132		$	495		$	2,288		$	2,341

18

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

Note 12. Interest, Net

The following table shows the components of interest, net:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Interest on borrowings and other liabilities(1)	$	53,979		$	56,859		$	107,957		$	115,698
Amortization of deferred losses related to interest rate derivatives	294			575			595			1,156
Amortization of deferred financing fees and debt discount(2)	3,510			4,970			7,042			9,125
Interest expense	57,783			62,404			115,594			125,979
Less: Interest income	(287		)	(614		)	(990		)	(1,028		)
Less: Capitalized interest	(98		)	(118		)	(98		)	(211		)
Interest, net	$	57,398		$	61,672		$	114,506		$	124,740

(1) Includes $988 in loan termination fees related to the prepayment of debt on three aircraft during the three and six months endedJune 30, 2017.

(2) Includes $986 in deferred financing fees written off related to the prepayment of debt on three aircraft during the three and six months endedJune 30, 2017.

Note 13. Commitments and Contingencies

At June 30, 2018, we had commitments to acquire 48 aircraft for $1,876,908, including 25 Embraer E-Jet E2 aircraft.

Commitments, including $125,866 of remaining progress payments, contractual price escalations and other adjustments for these aircraft, at June 30, 2018, net of amounts already paid, are as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	830,882
2019	382,620
2020	390,416
2021	272,990
2022	—
Thereafter	—
Total	$	1,876,908

As of August 3, 2018, we had commitments to acquire 46 aircraft for $1,838,708.

19

Aircastle Limited and Subsidiaries

Notes to Unaudited Consolidated Financial Statements

(Dollars in thousands, except per share amounts)

June 30, 2018

Note 14. Other Assets

The following table describes the principal components of other assets on our Consolidated Balance Sheets as of:

	June 30, 2018		December 31, 2017
Deferred income tax asset	$	491	$	497
Lease incentives and lease premiums, net of amortization of $40,460 and $41,246, respectively	84,032		74,515
Flight equipment held for sale	2,238		707
Aircraft purchase deposits and progress payments	29,569		23,704
Fair value of interest rate cap	7,329		3,254
Note receivable(1)	6,678		10,000
Other assets	43,970		28,533
Total other assets	$	174,307	$	141,210

______________

(1) Related to the sale of aircraft during the year ended December 31, 2017.

Note 15. Accounts Payable, Accrued Expenses and Other Liabilities

The following table describes the principal components of accounts payable, accrued expenses and other liabilities recorded on our Consolidated Balance Sheets as of:

	June 30, 2018		December 31, 2017
Accounts payable and accrued expenses	$	42,886	$	50,948
Deferred income tax liability	39,597		36,547
Accrued interest payable	37,927		38,129
Lease discounts, net of amortization of $40,106 and $36,111, respectively	10,954		14,597
Total accounts payable, accrued expenses and other liabilities	$	131,364	$	140,221

20

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

This management’s discussion and analysis of financial condition and results of operations contains forward-looking statements that involve risks, uncertainties and assumptions. You should read the following discussion in conjunction with our historical consolidated financial statements and the notes thereto appearing elsewhere in this report. The results of operations for the periods reflected herein are not necessarily indicative of results that may be expected for future periods, and our actual results may differ materially from those discussed in the forward-looking statements as a result of various factors, including but not limited to those described under “Risk Factors” and included in our Annual Report on Form 10-K for the year ended December 31, 2017 filed with the Securities and Exchange Commission (the “SEC”). Our consolidated financial statements are prepared in accordance with accounting principles generally accepted in the United States, or U.S. GAAP, and, unless otherwise indicated, the other financial information contained in this report has also been prepared in accordance with U.S. GAAP. Unless otherwise indicated, all references to “dollars” and “$” in this report are to, and all monetary amounts in this report are presented in, U.S. dollars.

All statements included or incorporated by reference in this Quarterly Report on Form 10-Q (this “report”), other than characterizations of historical fact, are forward-looking statements within the meaning of the federal securities laws, including the Private Securities Litigation Reform Act of 1995. Examples of forward-looking statements include, but are not necessarily limited to, statements relating to our ability to acquire, sell, lease or finance aircraft, raise capital, pay dividends, and increase revenues, earnings, EBITDA, Adjusted EBITDA and Adjusted Net Income and the global aviation industry and aircraft leasing sector. Words such as “anticipates,” “expects,” “intends,” “plans,” “projects,” “believes,” “may,” “will,” “would,” “could,” “should,” “seeks,” “estimates” and variations on these words and similar expressions are intended to identify such forward-looking statements. These statements are based on our historical performance and that of our subsidiaries and on our current plans, estimates and expectations and are subject to a number of factors that could lead to actual results materially different from those described in the forward-looking statements; Aircastle can give no assurance that its expectations will be attained. Accordingly, you should not place undue reliance on any such forward-looking statements which are subject to certain risks and uncertainties that could cause actual results to differ materially from those anticipated as of the date of this report. These risks or uncertainties include, but are not limited to, those described from time to time in Aircastle’s filings with the SEC and previously disclosed under “Risk Factors” in Part I - Item 1A of Aircastle’s 2017 Annual Report on Form 10-K and elsewhere in this report. In addition, new risks and uncertainties emerge from time to time, and it is not possible for Aircastle to predict or assess the impact of every factor that may cause its actual results to differ from those contained in any forward-looking statements. Such forward-looking statements speak only as of the date of this report. Aircastle expressly disclaims any obligation to revise or update publicly any forward-looking statement to reflect future events or circumstances.

WEBSITE AND ACCESS TO THE COMPANY’S REPORTS

The Company’s Internet website can be found at www.aircastle.com. Our annual reports on Forms 10-K, quarterly reports on Forms 10-Q, current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (the “Exchange Act”) are available free of charge through our website under “Investors — Financial Information — SEC Filings” as soon as reasonably practicable after they are electronically filed with, or furnished to, the SEC.

Statements and information concerning our status as a Passive Foreign Investment Company (“PFIC”) for U.S. taxpayers are also available free of charge through our website under “Investors — PFIC Information.”

Our Corporate Governance Guidelines, Code of Business Conduct and Ethics, and Board of Directors committee charters (including the charters of the Audit Committee, Compensation Committee, and Nominating and Corporate Governance Committee) are available free of charge through our website under “Investors — Corporate Governance.” In addition, our Code of Ethics for the Chief Executive and Senior Financial Officers, which applies to our Chief Executive Officer, Chief Financial Officer, Chief Accounting Officer, Treasurer and Controller, is available in print, free of charge, to any shareholder upon request to Investor Relations, Aircastle Limited, c/o Aircastle Advisor LLC, 201 Tresser Boulevard, Suite 400, Stamford, Connecticut 06901.

The information on the Company’s Internet website is not part of, or incorporated by reference, into this report, or any other report we file with, or furnish to, the SEC.

21

OVERVIEW

Aircastle acquires, leases, and sells commercial jet aircraft to airlines throughout the world. As of June 30, 2018, we owned and managed on behalf of our joint ventures 240 aircraft leased to 84 lessees located in 45 countries. Our aircraft are managed by an experienced team based in the United States, Ireland and Singapore. Our aircraft are subject to net leases whereby the lessee is generally responsible for maintaining the aircraft and paying operational, maintenance and insurance costs. In many cases, however, we are obligated to pay a portion of specified maintenance or modification costs. As of June 30, 2018, the net book value (including flight equipment held for lease and net investment in finance and sales-type leases, or “net book value”) was $6.78 billion compared to $6.73 billion at December 31, 2017. Our revenues and net income for the three and six months endedJune 30, 2018 were $204.3 million and $407.0 million, and $50.2 million and $107.8 million, respectively.

Growth in commercial air traffic is broadly correlated with world economic activity. In recent years, commercial air traffic growth has expanded at a rate 1.5 to 2 times that of global GDP growth. The expansion of air travel has driven an increase in the world aircraft fleet. There are approximately 21,000 commercial mainline passenger and freighter aircraft in current operation worldwide. This fleet is expected to continue expanding at three to four percent average annual rate over the next twenty years. Aircraft leasing companies own approximately 42% of the world’s commercial jet aircraft.

Notwithstanding the sector’s long-term growth, the aviation market has been, and is expected to remain, subject to economic variability due to changes in macroeconomic variables, such as fuel price levels and foreign exchange rates. The aviation industry is also susceptible to external shocks, such as regional conflicts and terrorist events. Mitigating this risk is the portability of the assets, allowing aircraft to be redeployed to locations where there is demand.

Air traffic data continues to show strong passenger market growth.  According to the International Air Transport Association, during the first five months of 2018, global passenger traffic increased 6.8% compared to the same period in 2017. During the first five months of 2018, air cargo traffic increased 5.3% compared to the same period in 2017.

Demand for air travel varies by region. Emerging market economies have generally been experiencing greater increases in air traffic, driven by rising levels of per capita income leading to an increased propensity to fly. Mature markets, such as North America and Western Europe, have been growing more slowly in tandem with their economies. Air traffic growth is also being driven by the proliferation of low cost carriers, which have stimulated demand through lower prices. Airlines operating in areas with political instability or weakening economies are under pressure, and their near-term outlook is more uncertain. On balance, we believe air travel will increase over time and, as a result, we expect demand for modern aircraft will continue to remain strong over the long-term.

Fuel prices and interest rates have had a substantial effect on our industry. After dropping to a low of $36 per barrel in December 2015, the price of fuel has started to rise and averaged $69 per barrel during 2018. While still below historic highs, rising fuel prices are impacting airline profitability. The prolonged low interest rate environment and the strong overall performance of the aircraft financing sector attracted significant new capital, increasing competition for new investments. Interest rates have recently started to rise in the U.S., with Federal Reserve guidance suggesting multiple future rate hikes in the Federal Funds rate in 2018.

Capital availability for aircraft has varied over time, and we consider this variability to be a basic characteristic of our business. If pursued properly, this represents an important source of investment opportunity. Strong U.S. debt capital market conditions benefit borrowers by permitting access to financing at historic lows while export credit agency availability has been curtailed, both in the U.S. and in Europe, due to political issues. Commercial bank debt also continues to play a critical role for aircraft finance.

While financial market conditions remain attractive, geopolitical issues may increase capital costs and limit availability going forward. We believe these market forces should generate attractive additional investment and trading opportunities for which we are well placed to capitalize given our access to different financing sources, our limited capital commitments and our reputation as a reliable trading partner. During the second quarter of 2018, we achieved an investment grade credit rating from Standard & Poors and Fitch, and Moody’s placed our rating on review for potential upgrade. We believe being an investment grade issuer will reduce our borrowing costs and enable more reliable access to debt capital throughout the business cycle.

Our business approach is differentiated from those of other large leasing companies. Our investment strategy is to seek out the best risk-adjusted return opportunities across the commercial jet market, so our acquisition targets and growth rates

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will vary with market conditions. We plan to grow our business and profits over the long-term while maintaining a countercyclical orientation and a conservative and flexible capital structure. We prefer to have capital resources available to capture investment opportunities that arise in the context of changing market circumstances. As such, we limit large, long-term capital commitments and are therefore less reliant on orders for new aircraft from aircraft manufacturers as a source of new investments than many of our competitors.

Our business strategy entails the following elements:

• Pursuing a disciplined and differentiated investment strategy. In our view, values of different aircraft change in different ways over time. We carefully evaluate investments across different aircraft models, ages, lessees and acquisition sources and re-evaluate these choices as market conditions and relative investment values change. We believe the financing flexibility offered through unsecured debt and our team’s experience with a wide range of asset types provides us with a competitive advantage. We view orders from equipment manufacturers to be part of our investment opportunity set, but choose to keep our long term capital commitments limited.

• Originating investments from many different sources across the globe.Our strategy is to seek out worthwhile investments by leveraging our team’s wide range of contacts. We utilize a multi-channel approach to sourcing acquisitions and have purchased aircraft from a large number of airlines, lessors, original equipment manufacturers, lenders and other aircraft owners. Since our formation in 2004, we have acquired aircraft from 89 different sellers.

• Selling assets when attractive opportunities arise. We sell assets with the aim of realizing profits and reinvesting proceeds when a sale generates the greatest expected cash flow or when more accretive investments are available. We also use asset sales for portfolio management purposes, such as reducing lessee specific concentrations and lowering residual value exposures to certain aircraft types. Since our formation, we have sold 214 aircraft to 62 buyers.

• Maintaining efficient access to capital from a wide set of sources and leveraging our recent investment grade credit rating. We believe the aircraft investment market is influenced by the business cycle. Our strategy is to increase our purchase activity when prices are low and to emphasize asset sales when competition for assets is high. To implement this approach, we believe it is important to maintain access to a wide variety of financing sources. During the second quarter of 2018, we achieved our objective of improving our corporate credit ratings to an investment grade level by maintaining strong portfolio and capital structure metrics while achieving a critical size through accretive growth. We believe our improved credit rating will not only reduce our borrowing costs, but also facilitate more reliable access to both unsecured and secured debt capital throughout the business cycle.

• Leveraging our strategic relationships. We intend to capture the benefits provided through the extensive global contacts and relationships maintained by Marubeni, which is our biggest shareholder and one of the largest Japanese trading companies. Marubeni has enabled greater access to Japanese-based financing and helped source and develop our joint venture with the leasing arm of the Industrial Bank of Japan, Limited (“IBJL”).

• Capturing the value of our efficient operating platform and strong operating track record. We believe our team’s capabilities in the global aircraft leasing market places us in a favorable position to source and manage new income-generating activities. We intend to continue to focus our efforts in areas where we believe we have competitive advantages, including new direct investments as well as ventures with strategic business partners.

• Intending to pay quarterly dividends to our shareholders based on the Company’s sustainable earnings levels. Aircastle has paid dividends each quarter since our initial public offering in 2006. On May 1, 2018, our Board of Directors declared a regular quarterly dividend of $0.28 per common share, or an aggregate of $21.9 million for the three months ended June 30, 2018, which was paid on June 15, 2018 to holders of record on May 31, 2018. These dividends may not be indicative of the amount of any future dividends. Our ability to pay quarterly dividends will depend upon many factors, including those as described in Item 1A. “Risk Factors” and elsewhere in our 2017 Annual Report on Form 10-K.

Revenues

Our revenues are comprised primarily of operating lease rentals on flight equipment held for lease, revenue from retained maintenance payments related to lease expirations, lease termination payments, lease incentive amortization, interest recognized from finance and sales-type leases and gains from aircraft sales.

Typically, our aircraft are subject to net leases whereby the lessee pays lease rentals and is generally responsible for maintaining the aircraft and paying operational, maintenance and insurance costs arising during the term of the lease. Our

23

aircraft lease agreements generally provide for the periodic payment of a fixed amount of rent over the life of the lease and the amount of the contracted rent will depend upon the type, age, specification and condition of the aircraft and market conditions at the time the lease is committed. The amount of rent we receive will depend on a number of factors, including the creditworthiness of our lessees and the occurrence of restructurings and defaults. Our lease rental revenues are also affected by the extent to which aircraft are off-lease and our ability to remarket aircraft that are nearing the end of their leases in order to minimize their off-lease time. Our success in re-leasing aircraft is affected by market conditions relating to our aircraft and by general industry conditions and trends. An increase in the percentage of off-lease aircraft or a reduction in lease rates upon remarketing would negatively impact our revenues.

Under an operating lease, the lessee will be responsible for performing maintenance on the relevant aircraft and will typically be required to make payments to us for heavy maintenance, overhaul or replacement of certain high-value components of the aircraft. These maintenance payments are based on hours or cycles of utilization or on calendar time, depending upon the component, and would be made either monthly in arrears or at the end of the lease term. For maintenance payments made monthly in arrears during a lease term, we will typically be required to reimburse all or a portion of these payments to the lessee upon their completion of the relevant heavy maintenance, overhaul or parts replacement. We record maintenance payments paid by the lessee during a lease as accrued maintenance liabilities in recognition of our obligation in the lease to refund such payments, and therefore we do not recognize maintenance revenue during the lease. Maintenance revenue recognition would occur at the end of a lease, when we are able to determine the amount, if any, by which reserve payments received exceed the amount we are required under the lease to reimburse to the lessee for heavy maintenance, overhaul or parts replacement. The amount of maintenance revenue we recognize in any reporting period is inherently volatile and is dependent upon a number of factors, including the timing of lease expiries, including scheduled and unscheduled expiries, the timing of maintenance events and the utilization of the aircraft by the lessee.

Many of our leases contain provisions which may require us to pay a portion of the lessee’s costs for heavy maintenance, overhaul or replacement of certain high-value components. We account for these expected payments as lease incentives, which are amortized as a reduction of revenue over the life of the lease. We estimate the amount of our portion for such costs, typically for the first major maintenance event for the airframe, engines, landing gear and auxiliary power units, expected to be paid to the lessee based on assumed utilization of the related aircraft by the lessee, the anticipated cost of the maintenance event and the estimated amounts the lessee is responsible to pay.

This estimated lease incentive is not recognized as a lease incentive liability at the inception of the lease. We recognize the lease incentive as a reduction of lease revenue on a straight-line basis over the life of the lease, with the offset being recorded as a lease incentive liability which is included in maintenance payments on the balance sheet. The payment to the lessee for the lease incentive liability is first recorded against the lease incentive liability and any excess above the lease incentive liability is recorded as a prepaid lease incentive asset which is included in other assets on the balance sheet and continues to amortize over the remaining life of the lease.

2018 Lease Expirations and Lease Placements

At June 30, 2018, all aircraft with leases expiring in 2018 have been placed or sold.

2019-2022 Lease Expirations and Lease Placements

Taking into account lease and sale commitments, we currently have the following number of aircraft with lease expirations scheduled in the period 2019-2022, representing the percentage of our net book value of flight equipment (including flight equipment held for lease and net investment in finance and sales-type leases) at June 30, 2018, specified below:

• 2019: 12 aircraft, representing 4%;

• 2020: 28 aircraft, representing 9%;

• 2021: 33 aircraft, representing 16%; and

• 2022: 27 aircraft, representing 10%.

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Operating Expenses

Operating expenses are comprised of depreciation of flight equipment held for lease, interest expense, selling, general and administrative expenses, aircraft impairment charges and maintenance and other costs. Because our operating lease terms generally require the lessee to pay for operating, maintenance and insurance costs, our portion of maintenance and other costs relating to aircraft reflected in our statement of income primarily relates to expenses for unscheduled lease terminations.

Income Tax Provision

We obtained an assurance from the Minister of Finance of Bermuda under the Exempted Undertakings Tax Protection Act 1966 that, in the event any legislation is enacted in Bermuda imposing any tax computed on profits or income, or computed on any capital asset, gain or appreciation or any tax in the nature of estate duty or inheritance tax, such tax shall not, until March 2035, be applicable to us or to any of our operations or to our shares, debentures or other obligations except insofar as such tax applies to persons ordinarily resident in Bermuda or to any taxes payable by us in respect of real property owned or leased by us in Bermuda. Consequently, the provision for income taxes recorded relates to income earned by certain subsidiaries of the Company which are located in, or earn income in, jurisdictions that impose income taxes, primarily the United States and Ireland.

Our aircraft-owning subsidiaries that are recognized as corporations for U.S. tax purposes are primarily non-U.S. corporations. These subsidiaries generally earn income from sources outside the United States and typically are not subject to U.S. federal, state or local income taxes. The aircraft owning subsidiaries resident in Ireland, Mauritius, and the U.S. are subject to tax in those respective jurisdictions.

We have a U.S.-based subsidiary which provides management services to our subsidiaries and is subject to U.S. federal, state and local income taxes. We also have Ireland and Singapore based subsidiaries which provide management services to our non-U.S. subsidiaries and are subject to tax in those respective jurisdictions.

Acquisitions and Sales

During the first six months of 2018, we acquired thirteen aircraft for $412.5 million. At June 30, 2018, we had commitments to acquire 48 additional aircraft for $1.88 billion, including the acquisition of 25 new E-Jet E2 aircraft from Embraer, with delivery beginning in 2019. Of this amount, approximately $830 million represents commitments for the remainder of 2018. As of August 3, 2018, we have commitments to acquire 46 aircraft for $1.84 billion.

During the first six months of 2018, we sold eight aircraft for net proceeds of $178.2 million, which resulted in a net gain of $25.6 million.

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The following table sets forth certain information with respect to the aircraft owned by us as of June 30, 2018:

AIRCASTLE AIRCRAFT INFORMATION (dollars in millions)

Owned Aircraft	As of June 30,  2018(1)			As of June 30,  2017(1)
Net Book Value of Flight Equipment	$	6,776		$	6,173
Net Book Value of Unencumbered Flight Equipment	$	5,419		$	4,497
Number of Aircraft	228			190
Number of Unencumbered Aircraft	199			157
Number of Lessees	84			71
Number of Countries	45			38
Weighted Average Age (years)(2)	9.5			8.3
Weighted Average Remaining Lease Term (years)(2)	4.7			4.7
Weighted Average Fleet Utilization during the three months ended June 30, 2018 and 2017(3)	99.5		%	99.3		%
Weighted Average Fleet Utilization during the six months ended June 30, 2018 and 2017(3)	99.4		%	98.8		%
Portfolio Yield for the three months ended June 30, 2018 and 2017(4)	11.5		%	12.3		%
Portfolio Yield for the six months ended June 30, 2018 and 2017(4)	11.5		%	12.3		%
Managed Aircraft on behalf of Joint Ventures
Net Book Value of Flight Equipment	$	628		$	675
Number of Aircraft	12			13

(1) Calculated using net book value at period end.

(2) Weighted by net book value.

(3) Aircraft on-lease days as a percent of total days in period weighted by net book value.

(4) Lease rental revenue, interest income and cash collections on our net investment in finance and sales-type leases for the period as a percent of the average net book value for the period; quarterly information is annualized.

Our owned aircraft portfolio as of June 30, 2018 is listed in Exhibit 99.1 to this report.

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PORTFOLIO DIVERSIFICATION

	Owned Aircraft as of June 30, 2018			Owned Aircraft as of June 30, 2017
	Number of Aircraft	% of Net Book Value(1)		Number of Aircraft	% of Net Book Value(1)
Aircraft Type
Passenger:
Narrow-body	196	67	%	153	56	%
Wide-body	28	29	%	31	38	%
Total Passenger	224	96	%	184	94	%
Freighter	4	4	%	6	6	%
Total	228	100	%	190	100	%
Manufacturer
Airbus	137	56	%	105	53	%
Boeing	86	42	%	78	44	%
Embraer	5	2	%	7	3	%
Total	228	100	%	190	100	%
Regional Diversification
Asia and Pacific	62	30	%	56	36	%
Europe	87	30	%	69	27	%
Middle East and Africa	17	9	%	14	10	%
North America	36	12	%	28	8	%
South America	26	19	%	23	19	%
Total	228	100	%	190	100	%

(1) Calculated using net book value at period end.

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Our largest single customer represents over 6% of the net book value at June 30, 2018. Our top fifteen customers for aircraft we owned at June 30, 2018, representing 105 aircraft and 54% of the net book value, are as follows:

Percent of Net Book Value	Customer	Country	Number of Aircraft
Greater than 6% per customer	Avianca Brazil	Brazil	11
3% to 6% per customer	LATAM	Chile	3
	TAP Portugal(1)	Portugal	8
	Lion Air	Indonesia	10
	South African Airways	South Africa	4
	easyJet	United Kingdom	20
	Aerolineas Argentina	Argentina	5
	Interjet	Mexico	11
	Iberia	Spain	11
Less than 3% per customer	AirBridgeCargo(2)	Russia	2
	AirAsia X	Malaysia	2
	Jet Airways	India	7
	IndiGo	India	6
	Asiana Airlines	South Korea	4
	Thai Airways	Thailand	1
	Total top fifteen customers		105
	All other customers		123
	Total all customers		228

(1) Combined with an affiliate.

(2) Guaranteed by Volga-Dnepr Airlines. We have one additional aircraft on lease with an affiliate.

Finance

We believe that cash on hand, payments received from lessees and other funds generated from operations, secured borrowings for aircraft, borrowings under our revolving credit facilities and other borrowings and proceeds from future aircraft sales will be sufficient to satisfy our liquidity and capital resource needs over the next twelve months. We may repay all or a portion of such borrowings from time to time with the net proceeds from subsequent long-term debt financings, additional equity offerings or cash generated from operations and asset sales. Therefore, our ability to execute our business strategy, particularly the acquisition of additional commercial jet aircraft or other aviation assets, depends to a significant degree on our ability to obtain additional debt and equity capital on terms we deem attractive.

See “Liquidity and Capital Resources” below.

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RESULTS OF OPERATIONS

Comparison of the three months endedJune 30, 2018 to the three months endedJune 30, 2017:

	Three Months Ended June 30,
	2018			2017
	(Dollars in thousands)
Revenues:
Lease rental revenue	$	178,486		$	189,098
Finance and sales-type lease revenue	8,868			5,878
Amortization of net lease discounts and lease incentives	(3,534		)	(3,280		)
Maintenance revenue	—			28,944
Total lease revenue	183,820			220,640
Gain on sale of flight equipment	19,864			13,525
Other revenue	592			2,894
Total revenues	204,276			237,059
Operating expenses:
Depreciation	76,181			78,254
Interest, net	57,398			61,672
Selling, general and administrative	18,583			22,187
Impairment of flight equipment	—			79,930
Maintenance and other costs	1,561			2,343
Total operating expenses	153,723			244,386
Total other income (expense)	901			(1,560		)
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	51,454			(8,887		)
Income tax provision	3,132			495
Earnings of unconsolidated equity method investments, net of tax	1,881			2,266
Net income (loss)	$	50,203		$	(7,116	)

Revenues

Total revenues decreased by $32.8 million for the three months endedJune 30, 2018 as compared to the three months endedJune 30, 2017.

Lease rental revenue. The decrease in lease rental revenue of $10.6 million for the three months endedJune 30, 2018, as compared to the same period in 2017, was primarily the result of:

• a $30.9 million decrease due to the sale of 38 aircraft since June 30, 2017; and

• a $13.8 million decrease due to lease extensions, amendments, transitions and other changes.

These decreases were partially offset by a $34.2 million increase in revenue, reflecting the partial period impact of twelve aircraft purchased in 2018 and the full period impact due to the acquisition of 42 aircraft since June 30, 2017.

Finance and sales-type lease revenue. For the three months endedJune 30, 2018, $8.9 million of interest income from finance and sales-type leases was recognized, as compared to $5.9 million of interest income from finance and sales-type leases recorded for the same period in 2017, due to the addition of sixteen aircraft, partially offset by the sale of six aircraft, over the last twelve months.

Amortization of net lease premiums, discounts and lease incentives were $3.5 million for the three months endedJune 30, 2018, essentially flat as compared to the same period in 2017.

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Maintenance revenue. For the three months endedJune 30, 2018, we recorded no maintenance revenue. For the same period in 2017, we recorded $28.9 million of maintenance revenue due to the transition of four narrow-body, three wide-body and three freighter aircraft.

Gain on sale of flight equipment increased by $6.3 million to $19.9 million for the three months endedJune 30, 2018, as compared to gains of $13.5 million for the same period in 2017. During the second quarter of 2018, we sold four aircraft while we sold thirteen aircraft during the second quarter of 2017.

Other revenue. For the three months endedJune 30, 2018, we recorded $0.6 million of other revenue. For the same period in 2017, we recorded $2.9 million of other revenue, primarily from fees earned from one lessee in connection with the early termination of a lease.

Operating expenses

Total operating expenses decreased by $90.7 million for the three months endedJune 30, 2018, as compared to the three months endedJune 30, 2017.

Depreciation expense decreased by $2.1 million for the three months endedJune 30, 2018 as compared to the same period in 2017. The decrease is primarily the result of lower depreciation of $16.8 million due to 38 aircraft sold.

This decrease was partially offset by increases of:

• $13.6 million due to 54 aircraft acquired; and

• $1.1 million due to changes in asset lives, residual values and other changes.

Interest, net consisted of the following:

	Three Months Ended June 30,
	2018			2017
	(Dollars in thousands)
Interest on borrowings, net of settlements on interest rate derivatives, and other liabilities(1)	$	53,979		$	56,859
Amortization of interest rate derivatives related to deferred losses	294			575
Amortization of deferred financing fees and debt discount(2)	3,510			4,970
Interest expense	57,783			62,404
Less: Interest income	(287		)	(614		)
Less: Capitalized interest	(98		)	(118		)
Interest, net	$	57,398		$	61,672

(1) Includes $1.0 million of loan prepayment fees related to the sale of aircraft during the three months endedJune 30, 2017.

(2) Includes $1.0 million in deferred financing fees written off related to the sale of aircraft during the three months endedJune 30, 2017.

Interest, net decreased by $4.3 million compared to the three months endedJune 30, 2017. This decrease was primarily the result of lower interest on our borrowings of $2.9 million due to lower weighted average debt outstanding and lower amortization of deferred financing fees of $1.5 million as the result of aircraft sales in the prior year.

Selling, general and administrative expenses for the three months endedJune 30, 2018 decreased by $3.6 million compared to the same period in 2017. During the three months ended June 30, 2017, we had $5.1 million of separation and disability compensation expense related to our former Chief Executive Officer under the terms of his employment and share-based award agreements. This decrease was partially offset by an increase in recurring personnel costs during the three months ended June 30, 2018.

Impairment of aircraft for the three months endedJune 30, 2018 decreased $79.9 million compared to the same period in 2017. We had no impairments during the three months endedJune 30, 2018. During the three months endedJune 30, 2017, we entered into agreements to sell two Boeing 747-400 production freighter aircraft at the end of their respective leases and one older Boeing 747-400 converted freighter aircraft to its lessee, resulting in impairment charges totaling $79.2 million.

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Other income (expense)

Total other income (expense) increased by $2.5 million for the three months ended June 30, 2018 as compared to the three months ended June 30, 2017. The net increase in other income was primarily attributable to mark-to-market on our undesignated hedges.

Income tax provision

Our provision for income taxes for the three months endedJune 30, 2018 and 2017 was $3.1 million and $0.5 million, respectively. Income taxes have been provided based on the applicable tax laws and rates of those countries in which operations are conducted and income is earned, primarily Ireland and the United States. The increase in our income tax provision of approximately $2.6 million for the three months endedJune 30, 2018, as compared to the same period in 2017, was primarily attributable to changes in operating income subject to tax in Ireland, the United States and other jurisdictions. Pre-tax losses for the three months endedJune 30, 2017 included transactional impairment charges of approximately $79.9 million in a non-taxable jurisdiction.

Our aircraft-owning subsidiaries that are recognized as corporations for U.S. tax purposes are primarily non-U.S. corporations. These subsidiaries generally earn income from sources outside the United States and typically are not subject to U.S. federal, state or local income taxes. The aircraft owning subsidiaries resident in Ireland, Mauritius and the U.S. are subject to tax in those respective jurisdictions.

We have a U.S. based subsidiary which provides management services to our subsidiaries and is subject to U.S. federal, state and local income taxes. We also have Ireland and Singapore based subsidiaries which provide management services to our non-U.S. subsidiaries and are subject to tax in those respective jurisdictions.

The Company received an assurance from the Bermuda Minister of Finance that it would be exempted from local income, withholding and capital gains taxes until March 2035. Consequently, the provision for income taxes recorded relates to income earned by certain subsidiaries of the Company which are located in, or earn income in, jurisdictions that impose income taxes, primarily the United States and Ireland.

Other comprehensive income (loss)

Other comprehensive income (loss) consisted of the following:

	Three Months Ended June 30,
	2018		2017
	(Dollars in thousands)
Net income (loss)	$	50,203	$	(7,116	)
Derivative loss reclassified into earnings	294		575
Total comprehensive income (loss)	$	50,497	$	(6,541	)

Other comprehensive income (loss) increased by $57.0 million for the three months endedJune 30, 2018, as a result of a $57.3 million increase in net income, partially offset by a decrease of $0.3 million in amortization of deferred net losses reclassified into earnings related to terminated interest rate derivatives.

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RESULTS OF OPERATIONS

Comparison of the six months endedJune 30, 2018 to the six months endedJune 30, 2017:

	Six Months Ended June 30,
	2018			2017
	(Dollars in thousands)
Revenues:
Lease rental revenue	$	355,969		$	379,684
Finance and sales-type lease revenue	18,310			9,951
Amortization of lease premiums, discounts and incentives	(6,662		)	(6,392		)
Maintenance revenue	11,991			41,231
Total lease revenue	379,608			424,474
Gain on sale of flight equipment	25,632			14,284
Other revenue	1,716			3,333
Total revenues	406,956			442,091
Operating expenses:
Depreciation	151,183			157,428
Interest, net	114,506			124,740
Selling, general and administrative	36,418			38,354
Impairment of flight equipment	—			80,430
Maintenance and other costs	2,549			5,274
Total operating expenses	304,656			406,226
Total other income (expense)	4,075			(2,709		)
Income from continuing operations before income taxes and earnings of unconsolidated equity method investments	106,375			33,156
Income tax provision	2,288			2,341
Earnings of unconsolidated equity method investments, net of tax	3,663			4,508
Net income	$	107,750		$	35,323

Revenues

Total revenues decreased by $35.1 million for the six months endedJune 30, 2018 as compared to the six months endedJune 30, 2017.

Lease rental revenue. The decrease in lease rental revenue of $23.7 million for the six months endedJune 30, 2018 as compared to the same period in 2017 was primarily the result of decreases in revenue of:

• $61.9 million due to the sale of 39 aircraft since June 30, 2017; and

• $28.6 million due to lease extensions, amendments, transitions and other changes.

These decreases were partially offset by a $66.9 million increase in revenue, reflecting the partial period impact of twelve aircraft purchased in 2018 and the full period impact due to the acquisition of 47 aircraft since June 30, 2017.

Finance and sales-type lease revenue. For the six months endedJune 30, 2018, $18.3 million of interest income from finance and sales-type leases was recognized as compared to $10.0 million for the same period in 2017 due to the addition of 22 aircraft, partially offset by the sale of six aircraft, over the last twelve months.

Amortization of net lease premiums, discounts and lease incentives were $6.7 million for the six months endedJune 30, 2018, essentially flat as compared to the same period in 2017.

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Maintenance revenue. For the six months endedJune 30, 2018, we recorded $12.0 million of maintenance revenue, primarily due to the transition of one freighter aircraft. For the same period in 2017, we recorded $41.2 million of maintenance revenue due to the transition of five narrow-body, three wide-body and three freighter aircraft.

Gain on sale of flight equipment increased by $11.3 million to $25.6 million for the six months endedJune 30, 2018, as compared to gains of $14.3 million for the same period in 2017. During the six months endedJune 30, 2018, we sold eight aircraft as compared to the sale of fourteen aircraft during the same period in 2017.

Other revenue. For the six months ended June 30, 2018, we recorded $1.7 million of other revenue. For the same period in 2017, we recorded $3.3 million of other revenue, primarily from fees earned from one lessee in connection with the early termination of a lease.

Operating expenses

Total operating expenses decreased by $101.6 million for the six months endedJune 30, 2018 as compared to the six months endedJune 30, 2017.

Depreciation expense decreased by $6.2 million for the six months endedJune 30, 2018 as compared to the same period in 2017. The decrease is primarily the result of $34.9 million of lower depreciation due to 39 aircraft sold.

This decrease was partially offset by:

• an increase of $26.4 million due to the effect of 59 aircraft acquired; and

• $2.1 million due to changes in asset lives, residual values and other changes.

Interest, net consisted of the following:

	Six Months Ended June 30,
	2018			2017
	(Dollars in thousands)
Interest on borrowings and other liabilities	$	107,957		$	115,698
Amortization of interest rate derivatives related to deferred losses	595			1,156
Amortization of deferred financing fees and debt discount	7,042			9,125
Interest expense	115,594			125,979
Less: Interest income	(990		)	(1,028		)
Less: Capitalized interest	(98		)	(211		)
Interest, net	$	114,506		$	124,740

Interest, net decreased by $10.2 million as compared to the six months endedJune 30, 2017. This decrease was primarily the result of lower interest on our borrowings of $7.7 million due to lower weighted average debt outstanding and lower amortization of deferred financing fees of $2.1 million as the result of aircraft sales in the prior year.

Selling, general and administrative expenses for the six months endedJune 30, 2018 decreased $1.9 million compared to the same period in 2017. During the six months endedJune 30, 2017, we had $5.1 million of separation and disability compensation expense related to our former Chief Executive Officer under the terms of his employment and share-based award agreements. This decrease was partially offset by an increase in recurring personnel costs during the six months endedJune 30, 2018.

Impairment of Aircraft for the six months endedJune 30, 2018 decreased $80.4 million compared to the same period in 2017. We had no impairments during the six months endedJune 30, 2018. During the six months endedJune 30, 2017, we entered into agreements to sell two Boeing 747-400 production freighter aircraft at the end of their respective leases and one older Boeing 747-400 converted freighter aircraft to its lessee, resulting in impairment charges totaling $79.2 million.

Maintenance and other costs were $2.5 million for the six months endedJune 30, 2018, a decrease of $2.7 million compared to the same period in 2017. The net decrease is primarily attributable to lower maintenance costs related to terminations and transitions for the six months endedJune 30, 2018 versus the same period in 2017.

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Other income (expense)

Total other income (expense) increased by $6.8 million for the six months endedJune 30, 2018 as compared to the six months endedJune 30, 2017. The net increase in other income was primarily attributable to mark-to-market on our undesignated hedges.

Income tax provision

Our income tax provision for the six months endedJune 30, 2018 and 2017 was $2.3 million and $2.3 million, respectively. Income taxes have been provided based on the applicable tax laws and rates of those countries in which operations are conducted and income is earned, primarily Ireland and the United States. The decrease in our income tax provision of approximately $0.1 million for the six months endedJune 30, 2018, as compared to the same period in 2017, was primarily attributable to changes in operating income subject to tax in Ireland, the United States and other jurisdictions, including the recording of the discrete item of $2.8 million tax benefit related to the Singapore rate reduction from 10% to 8%. Pre-tax earnings for the six months endedJune 30, 2017 included transactional impairment charges of approximately $80.4 million in a non-taxable jurisdiction.

Our aircraft-owning subsidiaries that are recognized as corporations for U.S. tax purposes are primarily non-U.S. corporations. These subsidiaries generally earn income from sources outside the United States and typically are not subject to U.S. federal, state or local income taxes. The aircraft owning subsidiaries resident in Ireland, Mauritius and the U.S. are subject to tax in those respective jurisdictions.

We have a U.S. based subsidiary which provides management services to our subsidiaries and is subject to U.S. federal, state and local income taxes. We also have Ireland and Singapore based subsidiaries which provide management services to our non-U.S. subsidiaries and are subject to tax in those respective jurisdictions.

The Company received an assurance from the Bermuda Minister of Finance that it would be exempted from local income, withholding and capital gains taxes until March 2035. Consequently, the provision for income taxes recorded relates to income earned by certain subsidiaries of the Company which are located in, or earn income in, jurisdictions that impose income taxes, primarily the United States and Ireland.

Other comprehensive income

	Six Months Ended June 30,
	2018		2017
	(Dollars in thousands)
Net income	$	107,750	$	35,323
Derivative loss reclassified into earnings	595		1,156
Total comprehensive income	$	108,345	$	36,479

Other comprehensive income increased by $71.9 million for the six months endedJune 30, 2018, as a result of a $72.4 million increase in net income, partially offset by a decrease of $0.6 million in amortization of deferred net losses reclassified into earnings related to terminated interest rate derivatives.

Summary of Recoverability Assessment

Annual Recoverability Assessment

We completed our annual recoverability assessment of our aircraft in the second quarter this year. We also performed aircraft-specific analyses where there were changes in circumstances, such as approaching lease expirations. No impairments were recorded as a result of our annual recoverability assessment.

The recoverability assessment is a comparison of the carrying value of each aircraft to its undiscounted expected future cash flows. We develop the assumptions used in the recoverability assessment, including those relating to current and future demand for each aircraft type, based on management’s experience in the aircraft leasing industry, as well as information received from third-party sources. Estimates of the undiscounted cash flows for each aircraft type are impacted by changes in contracted and future expected lease rates, residual values, expected scrap values, economic conditions and other factors.

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Management believes that the net book value of each aircraft is currently supported by the estimated future undiscounted cash flows expected to be generated by that aircraft, and accordingly, no aircraft were impaired as a consequence of our annual recoverability assessment. However, if our estimates or assumptions change, we may revise our cash flow assumptions and record future impairment charges. While we believe that the estimates and related assumptions used in the annual recoverability assessment are appropriate, actual results could differ from those estimates.

Aircraft Monitoring List

At June 30, 2018, no aircraft were on our monitoring list. We monitor our fleet for aircraft that are more susceptible to failing our recoverability assessments within one year due to their sensitivity to changes in contractual cash flows, future cash flow estimates and aircraft residual or scrap values.

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RECENTLY ADOPTED ACCOUNTING PRONOUNCEMENTS

See Note 1 - “Summary of Significant Accounting Policies –Organization and Basis of Presentation” in the Notes to Unaudited Consolidated Financial Statements above.

RECENTLY UNADOPTED ACCOUNTING PRONOUNCEMENTS

See Note 1 - “Summary of Significant Accounting Policies – Recent Accounting Pronouncements” in the Notes to Unaudited Consolidated Financial Statements above.

LIQUIDITY AND CAPITAL RESOURCES

Our business is very capital intensive, requiring significant investments in order to expand our fleet and to maintain and improve our existing portfolio. Our operations generate a significant amount of cash, primarily from lease rentals and maintenance collections. We have also met our liquidity and capital resource needs by utilizing several sources over time, including:

• various forms of borrowing secured by our aircraft, including bank term facilities, limited recourse securitization financings, and ECA-backed financings for new aircraft acquisitions;

• unsecured indebtedness, including our current unsecured revolving credit facilities, term loan and senior notes;

• asset sales; and

• sales of common shares.

Going forward, we expect to continue to seek liquidity from these sources and other sources, subject to pricing and conditions we consider satisfactory.

During the first six months of 2018, we met our liquidity and capital resource needs with $239.8 million of cash flow from operations and $178.2 million of cash from aircraft sales.

As of June 30, 2018, the weighted-average maturity of our secured and unsecured debt financings was 3.1 years and we were in compliance with all applicable covenants.

We believe that cash on hand, payments received from lessees and other funds generated from operations, secured borrowings for aircraft, borrowings under our revolving credit facilities and other borrowings and proceeds from future aircraft sales will be sufficient to satisfy our liquidity and capital resource needs over the next twelve months. Our liquidity and capital resource needs include payments due under our aircraft purchase obligations, required principal and interest payments under our long-term debt facilities, expected capital expenditures, lessee maintenance payment reimbursements and lease incentive payments over the next twelve months.

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Cash Flows

	Six Months Ended June 30,
	2018			2017
	(Dollars in thousands)
Net cash flow provided by operating activities	$	239,843		$	247,389
Net cash flow used in investing activities	(191,458		)	(15,677		)
Net cash flow used in financing activities	(119,002		)	(209,881		)

Operating Activities:

Cash flow provided by operations was $239.8 million and $247.4 million for the six months endedJune 30, 2018 and 2017, respectively. The decrease in cash flow provided by operations of $7.5 million for the six months endedJune 30, 2018 versus the same period in 2017 was primarily a result of:

• an $11.6 million decrease in cash from working capital; and

•a $7.6 million decrease in cash received from maintenance revenue.

These inflows were offset by:

•a $9.3 million decrease in cash paid for interest; and

•a $2.7 million decrease in cash paid for maintenance expense.

Investing Activities:

Cash flow used in investing activities was $191.5 million and $15.7 million for the six months endedJune 30, 2018 and 2017, respectively. The increase in cash flow used in investing activities of $175.8 million for the six months endedJune 30, 2018 versus the same period in 2017 was primarily a result of:

• a $117.5 million net decrease in the acquisition and improvement of flight equipment and net investments in finance and sales-type leases; and

•a $60.1 million decrease in aircraft proceeds from the sale of flight equipment.

Financing Activities:

Cash flow used in financing activities was $119.0 million and $209.9 million for the six months endedJune 30, 2018 and 2017, respectively. The decrease in cash flow used in financing activities of $90.9 million for the six months endedJune 30, 2018 versus the same period in 2017 was primarily a result of:

• a $39.1 million net decrease in securitization and term debt financing repayments;

• a $60.3 million decrease in maintenance and security deposits returned, net of deposits received; and

• a $6.9 million decrease in deferred financing costs.

These outflows were offset by:

• a $12.5 million increase in shares repurchased; and

• a $3.0 million increase in dividends paid.

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Debt Obligations

For complete information on our debt obligations, please refer to Note 7 - “Secured and Unsecured Debt Financings” in the Notes to Unaudited Consolidated Financial Statements above.

Contractual Obligations

Our contractual obligations consist of principal and interest payments on debt, payments on interest rate derivatives, other aircraft acquisition agreements and rent payments related to our office leases. Total contractual obligations increased to $6.81 billion at June 30, 2018 from $6.61 billion at December 31, 2017, due primarily to an increase in aircraft purchase obligations, partially offset by debt amortization.

The following table presents our actual contractual obligations and their payment due dates as of June 30, 2018:

	Payments Due by Period as of June 30, 2018
Contractual Obligations	Total		1 year or less		2-3 years		4-5 years		More than 5 years
	(Dollars in thousands)
Principal payments:
Senior Notes due 2018 - 2024	$	3,200,000	$	400,000	$	1,300,000	$	1,000,000	$	500,000
Unsecured Term Loan	120,000		120,000		—		—		—
Revolving Credit Facilities	100,000		—		100,000		—		—
ECA Financings	208,448		39,099		82,491		73,058		13,800
Bank Financings	601,143		88,403		114,670		297,001		101,069
Total principal payments	4,229,591		647,502		1,597,161		1,370,059		614,869
Interest payments on debt obligations(1)	688,180		213,828		292,090		153,890		28,372
Office leases(2)	18,081		2,381		3,632		3,348		8,720
Purchase obligations(3)	1,876,908		1,012,616		864,292		—		—
Total	$	6,812,760	$	1,876,327	$	2,757,175	$	1,527,297	$	651,961

(1) Future interest payments on variable rate, LIBOR-based debt obligations are estimated using the interest rate in effect at June 30, 2018.

(2) Represents contractual payment obligations for our office leases in Stamford, Connecticut; Dublin, Ireland and Singapore.

(3) At June 30, 2018, we had commitments to acquire 48 aircraft for $1.88 billion, including 25 new E-Jet E2 aircraft from Embraer S.A. These amounts include estimates for pre-delivery deposits, contractual price escalation and other adjustments. As of August 3, 2018, we have commitments to acquire 46 aircraft for $1.84 billion.

Capital Expenditures

From time to time, we make capital expenditures to maintain or improve our aircraft. These expenditures include the cost of major overhauls necessary to place an aircraft in service and modifications made at the request of lessees. For the six months endedJune 30, 2018 and 2017, we incurred a total of $3.4 million and $19.0 million, respectively, of capital expenditures (including lease incentives) related to the improvement of aircraft.

As of June 30, 2018, the weighted average age by net book value of our aircraft was approximately 9.5 years. In general, the costs of operating an aircraft, including maintenance expenditures, increase with the age of the aircraft. Our lease agreements call for the lessee to be primarily responsible for maintaining the aircraft. We may incur additional maintenance and modification costs in the future in the event we are required to remarket an aircraft or a lessee fails to meet its maintenance obligations under the lease agreement. These maintenance reserves are paid by the lessee to provide for future maintenance events. Provided a lessee performs scheduled maintenance of the aircraft, we are required to reimburse the lessee for scheduled maintenance payments. In certain cases, we are also required to make lessor contributions, in excess of amounts a lessee may have paid, towards the costs of maintenance events performed by or on behalf of the lessee.

Actual maintenance payments to us by lessees in the future may be less than projected as a result of a number of factors, including defaults by the lessees. Maintenance reserves may not cover the entire amount of actual maintenance expenses

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incurred and, where these expenses are not otherwise covered by the lessees, there can be no assurance that our operational cash flow and maintenance reserves will be sufficient to fund maintenance requirements, particularly as our aircraft age. See Item 1A. “Risk Factors - Risks Related to Our Business - Risks related to our leases - If lessees are unable to fund their maintenance obligations on our aircraft, we may incur increased costs at the conclusion of the applicable lease” in our 2017 Annual Report on Form 10-K.

Off-Balance Sheet Arrangements

We entered into two joint venture arrangements in order to help expand our base of new business opportunities. None of these joint ventures qualifies for consolidated accounting treatment. The assets and liabilities of these entities are not included in our Consolidated Balance Sheets and we record our net investment under the equity method of accounting. See Note 5 - “Unconsolidated Equity Method Investments” in the Notes to Unaudited Consolidated Financial Statements above.

We hold a 30% equity interest in our Lancaster joint venture and a 25% equity interest in our IBJ Air joint venture. At June 30, 2018, the net book value of our two joint ventures’ twelve aircraft was approximately $628 million.

Foreign Currency Risk and Foreign Operations

At June 30, 2018, all of our leases are payable to us in U.S. dollars. However, we incur Euro and Singapore dollar-denominated expenses in connection with our subsidiaries in Ireland and Singapore. For the six months endedJune 30, 2018, expenses, such as payroll and office costs, denominated in currencies other than the U.S. dollar aggregated approximately $9.4 million in U.S. dollar equivalents and represented approximately 26% of total selling, general and administrative expenses. Our international operations are a significant component of our business strategy and permit us to more effectively source new aircraft, service the aircraft we own and maintain contact with our lessees. Therefore, our international operations and our exposure to foreign currency risk will likely increase over time. Although we have not yet entered into foreign currency hedges because our exposure to date has not been significant, if our foreign currency exposure increases, we may enter into hedging transactions in the future to mitigate this risk. For the six months endedJune 30, 2018 and 2017, we incurred insignificant net gains and losses on foreign currency transactions.

Management’s Use of EBITDA and Adjusted EBITDA

We define EBITDA as income (loss) from continuing operations before income taxes, interest expense, and depreciation and amortization. We use EBITDA to assess our consolidated financial and operating performance, and we believe this non-U.S. GAAP measure is helpful in identifying trends in our performance.

This measure provides an assessment of controllable expenses and affords management the ability to make decisions which are expected to facilitate meeting current financial goals, as well as achieving optimal financial performance. It provides an indicator for management to determine if adjustments to current spending decisions are needed.

EBITDA provides us with a measure of operating performance because it assists us in comparing our operating performance on a consistent basis as it removes the impact of our capital structure (primarily interest charges on our outstanding debt) and asset base (primarily depreciation and amortization) from our operating results. Accordingly, this metric measures our financial performance based on operational factors that management can impact in the short-term, namely the cost structure, or expenses, of the organization. EBITDA is one of the metrics used by senior management and the Board of Directors to review the consolidated financial performance of our business.

We define Adjusted EBITDA as EBITDA (as defined above) further adjusted to give effect to adjustments required in calculating covenant ratios and compliance as that term is defined in the indenture governing our senior unsecured notes. Adjusted EBITDA is a material component of these covenants.

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The table below shows the reconciliation of net income to EBITDA and Adjusted EBITDA for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	(Dollars in thousands)
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Depreciation	76,181			78,254			151,183			157,428
Amortization of lease premiums, discounts and incentives	3,534			3,280			6,662			6,392
Interest, net	57,398			61,672			114,506			124,740
Income tax provision	3,132			495			2,288			2,341
EBITDA	190,448			136,585			382,389			326,224
Adjustments:
Impairment of flight equipment	—			79,930			—			80,430
Non-cash share-based payment expense	3,076			6,028			5,454			8,130
(Gain) loss on mark-to-market of interest rate derivative contracts	(901		)	1,562			(4,075		)	2,712
Adjusted EBITDA	$	192,623		$	224,105		$	383,768		$	417,496

Management’s Use of Adjusted Net Income (“ANI”)

Management believes that ANI, when viewed in conjunction with the Company’s results under U.S. GAAP and the below reconciliation, provides useful information about operating and period-over-period performance and additional information that is useful for evaluating the underlying operating performance of our business without regard to periodic reporting elements related to interest rate derivative accounting, changes related to refinancing activity and non-cash share-based payment expense.

The table below shows the reconciliation of net income to ANI for the three and six months endedJune 30, 2018 and 2017:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	(Dollars in thousands)
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Loan termination fee(1)	—			988			—			988
(Gain) loss on mark-to-market of interest rate derivative contracts(2)	(901		)	1,562			(4,075		)	2,712
Write-off of deferred financing fees(1)	—			986			—			986
Non-cash share-based payment expense(3)	3,076			6,028			5,454			8,130
Adjusted net income	$	52,378		$	2,448		$	109,129		$	48,139

(1) Included in Interest, net.

(2) Included in Other income (expense).

(3) Included in Selling, general and administrative expenses.

	Three Months Ended June 30,		Six Months Ended June 30,
Weighted-average shares:	2018	2017	2018	2017
Common shares outstanding	77,910,513	78,176,705	78,137,290	78,176,705
Restricted common shares	498,433	634,217	464,983	569,370
Total weighted-average shares	78,408,946	78,810,922	78,602,273	78,746,075

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	Three Months Ended June 30,				Six Months Ended June 30,
Percentage of weighted-average shares:	2018		2017		2018		2017
Common shares outstanding	99.36	%	99.20	%	99.41	%	99.28	%
Restricted common shares(1)	0.64	%	0.80	%	0.59	%	0.72	%
Total percentage of weighted-average shares	100.00	%	100.00	%	100.00	%	100.00	%

	Three Months Ended June 30,		Six Months Ended June 30,
	2018	2017	2018	2017
Weighted-average common shares outstanding – Basic	77,910,513	78,176,705	78,137,290	78,176,705
Effect of dilutive shares(2)	337,716	—	282,868	227,350
Weighted average common shares outstanding – Diluted	78,248,229	78,176,705	78,420,158	78,404,055

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
	(Dollars in thousands, except per share amounts)
Adjusted net income allocation:
Adjusted net income	$	52,378		$	2,448		$	109,129		$	48,139
Less: Distributed and undistributed earnings allocated to restricted common shares(2)	(333		)	(20		)	(646		)	(348		)
Adjusted net income allocable to common shares – Basic and Diluted	$	52,045		$	2,428		$	108,483		$	47,791
Adjusted net income per common share – Basic	$	0.67		$	0.03		$	1.39		$	0.61
Adjusted net income per common share – Diluted	$	0.67		$	0.03		$	1.38		$	0.61

(1) For the three months endedJune 30, 2018, distributed and undistributed earnings to restricted shares was 0.64% of net income. For the three months endedJune 30, 2017, the effect of any diluted shares on distributed and undistributed earnings to restricted shares would have been anti-dilutive and was excluded from the calculation. For the six months endedJune 30, 2018 and 2017, distributed and undistributed earnings to restricted shares were 0.59% and 0.72%, respectively, of net income. The amount of restricted share forfeitures for all periods presented is immaterial to the allocation of distributed and undistributed earnings.

(2) For the three months endedJune 30, 2018 and for the six months endedJune 30, 2018 and 2017, dilutive shares represented contingently issuable shares. For the three months endedJune 30, 2017, the effect of 170,116 contingently issuable shares related to the Company’s performance share units (“PSUs”) would have been anti-dilutive and were excluded from the calculation.

Limitations of EBITDA, Adjusted EBITDA and ANI

An investor or potential investor may find EBITDA, Adjusted EBITDA and ANI important measures in evaluating our performance, results of operations and financial position. We use these non-U.S. GAAP measures to supplement our U.S. GAAP results in order to provide a more complete understanding of the factors and trends affecting our business.

EBITDA, Adjusted EBITDA and ANI have limitations as analytical tools and should not be viewed in isolation or as substitutes for U.S. GAAP measures of earnings (loss). Material limitations in making the adjustments to our earnings (loss) to calculate EBITDA, Adjusted EBITDA and ANI, and using these non-U.S. GAAP measures as compared to U.S. GAAP net income (loss), income (loss) from continuing operations and cash flows provided by or used in operations, include:

• depreciation and amortization, though not directly affecting our current cash position, represent the wear and tear and/or reduction in value of our aircraft, which affects the aircraft’s availability for use and may be indicative of future needs for capital expenditures;

• the cash portion of income tax (benefit) provision generally represents charges (gains), which may significantly affect our financial results;

• elements of our interest rate derivative accounting may be used to evaluate the effectiveness of our hedging policy;

• hedge loss amortization charges; and

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• adjustments required in calculating covenant ratios and compliance as that term is defined in the indenture governing our senior unsecured notes.

EBITDA, Adjusted EBITDA and ANI are not alternatives to net income (loss), income (loss) from operations or cash flows provided by or used in operations as calculated and presented in accordance with U.S. GAAP. You should not rely on these non-U.S. GAAP measures as a substitute for any such U.S. GAAP financial measure. We strongly urge you to review the reconciliations to U.S. GAAP net income (loss), along with our consolidated financial statements included elsewhere in this report. We also strongly urge you to not rely on any single financial measure to evaluate our business. In addition, because EBITDA, Adjusted EBITDA and ANI are not measures of financial performance under U.S. GAAP and are susceptible to varying calculations, EBITDA, Adjusted EBITDA and ANI as presented in this report, may differ from and may not be comparable to similarly titled measures used by other companies.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Interest rate risk is the exposure to loss resulting from changes in the level of interest rates and the spread between different interest rates. These risks are highly sensitive to many factors, including U.S. monetary and tax policies, U.S. and international economic factors and other factors beyond our control. We are exposed to changes in the level of interest rates and to changes in the relationship or spread between interest rates. Our primary interest rate exposures relate to our lease agreements, floating rate debt obligations and interest rate derivatives. Rent payments under our aircraft lease agreements typically do not vary during the term of the lease according to changes in interest rates. However, our borrowing agreements generally require payments based on a variable interest rate index, such as LIBOR. Therefore, to the extent our borrowing costs are not fixed, increases in interest rates may reduce our net income by increasing the cost of our debt without any corresponding increase in rents or cash flow from our securities.

Changes in interest rates may also impact our net book value as our interest rate derivatives are periodically marked-to-market through shareholders’ equity. Generally, we are exposed to loss on our fixed pay interest rate derivatives to the extent interest rates decrease below their contractual fixed rate.

The relationship between spreads on derivative instruments may vary from time to time, resulting in a net aggregate book value increase or decrease. Changes in the general level of interest rates can also affect our ability to acquire new investments and our ability to realize gains from the settlement of such assets.

Sensitivity Analysis

The following discussion about the potential effects of changes in interest rates is based on a sensitivity analysis, which models the effects of hypothetical interest rate shifts on our financial condition and results of operations. Although we believe a sensitivity analysis provides the most meaningful analysis permitted by the rules and regulations of the SEC, it is constrained by several factors, including the necessity to conduct the analysis based on a single point in time and by the inability to include the extraordinarily complex market reactions that normally would arise from the market shifts modeled. Although the following results of a sensitivity analysis for changes in interest rates may have some limited use as a benchmark, they should not be viewed as a forecast. This forward-looking disclosure also is selective in nature and addresses only the potential interest expense impacts on our financial instruments and, in particular, does not address the mark-to-market impact on our interest rate derivatives. It also does not include a variety of other potential factors that could affect our business as a result of changes in interest rates.

A hypothetical 100-basis point increase/decrease in our variable interest rates would increase/decrease the minimum contracted rentals on our portfolio as of June 30, 2018 by $3.8 million and $3.7 million, respectively, over the next twelve months. As of June 30, 2018, a hypothetical 100-basis point increase/decrease in our variable interest rate on our borrowings would result in an interest expense increase/decrease of $3.5 million and $5.4 million, respectively, net of amounts received from our interest rate derivatives, over the next twelve months. In September 2016, we purchased an interest rate cap to hedge a portion of our floating rate interest exposure. The interest rate cap is set at 2% and has a current notional balance of $385.0 million and reduces over time to $215.0 million. The cap matures in September 2021.

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ITEM 4.    CONTROLS AND PROCEDURES

Management’s Evaluation of Disclosure Controls and Procedures

The term “disclosure controls and procedures” is defined in Exchange Act Rules 13a-15(e) and 15d-15(e). This term refers to the controls and procedures of a company that are designed to ensure that information required to be disclosed by a company in the reports that it files under the Exchange Act is recorded, processed, summarized and reported within the time periods specified by the SEC and that such information is accumulated and communicated to the Company’s management, including its Chief Executive Officer (“CEO”) and Chief Financial Officer (“CFO”) as appropriate, to allow timely decisions regarding required disclosure. An evaluation was performed under the supervision and with the participation of the Company’s management, including the CEO and CFO, of the effectiveness of the Company’s disclosure controls and procedures as of June 30, 2018. Based on that evaluation, the Company’s management, including the CEO and CFO, concluded that the Company’s disclosure controls and procedures were effective as of June 30, 2018.

Changes in Internal Control over Financial Reporting

There were no changes in the Company’s internal control over financial reporting, as such term is defined in Exchange Act Rules 13a-15(f) and 15d-15(f), that occurred during the quarter ended June 30, 2018 that have materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

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PART II. — OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

The Company is not a party to any material legal or adverse regulatory proceedings.

ITEM 1A. RISK FACTORS

There have been no material changes to the disclosure related to the risk factors described in our Annual Report on Form 10-K filed with the SEC for the year ended December 31, 2017.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Issuer Purchases of Equity Securities

In February 2016, our Board of Directors authorized the repurchase of $100.0 million of the Company’s common shares. During the second quarter of 2018, we purchased our common shares as follows:

Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number  of Shares  Purchased as  Part of Publicly Announced Plans or Programs(1)	Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs (1)
	(Dollars in thousands, except per share amounts)
April 1 through April 30	199,434	$	18.53	188,180	$	85,274
May 1 through May 31	95,719	19.62		95,719	83,396
June 1 through June 30	—	—		—	83,396
Total	295,153	$	18.88	283,899	$	83,396

(1) We repurchased an additional 58,030 common shares at a total cost of $1.2 million, including commissions, during July 2018. Under our current repurchase program, we have repurchased an aggregate of 914,240 common shares at an aggregate cost of $17.8 million, including commissions. The remaining dollar value of common shares that may be repurchased under the program is $82.2 million.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

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ITEM 6. EXHIBITS

Exhibit No.	Description of Exhibit
3.1	Memorandum of Association (incorporated by reference to Exhibit 3.1 to the Company’s Registration Statement on Form S-1 (Amendment No. 2) (No. 333-134669) filed on July 25, 2006).
3.2	Amended Bye-laws (incorporated by reference to Exhibit 3.2 to the Company’s Registration Statement on Form S-3 (No. 333-182242) filed on June 20, 2012).
4.1	Specimen Share Certificate (incorporated by reference to Exhibit 4.1 to the Company’s Registration Statement on Form S-1 (Amendment No. 2) (No. 333-134669) filed on July 25, 2006).
4.2	Indenture, dated as of April 4, 2012, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on April 5, 2012).
4.3	Indenture, dated as of November 30, 2012, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed with the SEC on November 30, 2012).
4.4	Amended and Restated Shareholder Agreement, dated as of February 18, 2015, by and between Aircastle Limited and Marubeni Corporation (incorporated by reference to Exhibit 4.8 to the Company’s Quarterly Report on Form 10-Q filed on May 6, 2015).
4.5	Amendment No. 1 to the Amended and Restated Shareholder Agreement, dated as of September 23, 2016, by and among Aircastle Limited, Marubeni Corporation, and Marubeni Aviation Holding Coöperatief U.A. (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on September 26, 2016).
4.6	Indenture, dated as of December 5, 2013, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee Citigroup Global Markets, Inc., Goldman, Sachs & Co., J.P. Morgan Securities LLC and RBC Capital Markets, LLC (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on December 6, 2013).
4.7	First Supplemental Indenture, dated as of December 5, 2013, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.2 to the Company’s Current Report on Form 8-K filed on December 6, 2013).
4.8	Second Supplemental Indenture, dated as of March 26, 2014, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on March 26, 2014).
4.9	Third Supplemental Indenture, dated as of January 15, 2015, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on January 15, 2015).
4.10	Fourth Supplemental Indenture, dated as of March 24, 2016, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on March 24, 2016).
4.11	Fifth Supplemental Indenture, dated as of March 20, 2017, by and between Aircastle Limited and Wells Fargo Bank, National Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on March 20, 2017).
10.1	Amendment No. 5 to Purchase Agreement COM0270-15, dated as of April 19, 2018, by and between Aircastle Holding Corporation and Embrarer S.A. *Ø
10.2	Amendment No. 3 to Letter Agreement COM0271-15 in Purchase Agreement COM0270-15, dated as of February 23, 2018, by and between Aircastle Holding Corporation and Embrarer S.A. *Ø
10.3	Amendment No. 4 to Letter Agreement COM271-15 in Purchase Agreement COM0270-15, dated as of April 19, 2018, by and between Aircastle Holding Corporation and Embrarer S.A. *Ø
31.1	Certification by the Chief Executive Officer pursuant to Section 302 of the Sarbanes Oxley Act of 2002. *
31.2	Certification by the Chief Financial Officer 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. *
99.1	Owned Aircraft Portfolio at June 30, 2018. *

45

Exhibit No.

Description of Exhibit

101

The following materials from the Company’s Quarterly Report on Form 10-Q for the quarter ended June 30, 2018, formatted in XBRL (eXtensible Business Reporting Language): (i) Consolidated Balance Sheets as of June 30, 2018 and December 31, 2017; (ii) Consolidated Statements of Income for the three and six months ended June 30, 2018 and 2017; (iii) Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2018 and 2017; (iv) Consolidated Statements of Cash Flows for the six months ended June 30, 2018 and 2017; and (v) Notes to Unaudited Consolidated Financial Statements. *

*    Filed herewith.

Ø    Portions of this exhibit have been omitted pursuant to a request for confidential treatment.

46

SIGNATURE

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

Dated: August 7, 2018

AIRCASTLE LIMITED
(Registrant)
By:	/s/ Jose Maronilla, Jr.
	Jose Maronilla, Jr.
	Chief Accounting Officer and Authorized Officer

47

EX-10.1

Exhibit 10.1

Execution Version

CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

AMENDMENT No. 5 TO PURCHASE AGREEMENT COM0270-15

This Amendment No. 5 COM0206-18 (the “Amendment No. 5”), dated as of April 19, 2018 (“Amendment No. 5”) is between Embraer S.A. (“Embraer”) and Aircastle Holding Corporation Limited (“Buyer”) collectively referred to herein as the “Parties”, and constitutes an amendment and modification to Purchase Agreement COM0270-15 dated June 12th, 2015 as amended from time to time (the “Purchase Agreement”).

All capitalized terms not otherwise defined herein shall have the same meaning when used herein as provided in the Purchase Agreement and in case of any conflict between this Amendment No. 5 and the Purchase Agreement, this Amendment No. 5 shall control.

WHEREAS, [***];

WHEREAS, [***];

WHEREAS, [***].

NOW, THEREFORE, for good and valuable consideration which is hereby acknowledged, Embraer and Buyer hereby agree as follows:

1. [***].

2. [***].

3. [***].

4. REINSTATEMENT OF PURCHASE AGREEMENT

All other provisions and conditions of the referenced Purchase Agreement, as well as its related Attachments, which are not specifically modified by this Amendment No. 5 shall remain in full force and effect without any change.

5. COUNTERPARTS

This Amendment No. 5 may be signed by the parties hereto in any number of separate counterparts with the same effect as if the signatures thereto and hereto were upon the same instrument and all of which when taken together shall constitute one and the same instrument.

This Amendment No. 5 may be signed by facsimile with originals duly signed to follow by an internationally recognized courier.

[INTENTIONALLY LEFT BLANK - SIGNATURE PAGE FOLLOWS]

IN WITNESS WHEREOF, EMBRAER and BUYER, by their duly authorized officers, have entered into and executed this Amendment No. 5 to be effective as of the date first written above.

EMBRAER S.A.                  AIRCASTLE HOLDING CORPORATION

LIMITED

By:     /s/ John Slattery__________                By:     /s/ Stephen Quinn_________________

Name:    John Slattery                        Name:     Stephen Quinn

Title:     President & CEO                 Title:     Director

    Commercial Aviation        

By:    /s/ Simon Newitt__________         

Name:     Simon Newitt                    

Title:     Vice President Contracts

    Commercial Aviation                     

Place:     São José dos Campos - SP                 Place:     Stamford, CT

    Brazil     

CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

THE FOLLOWING ATTACHMENT HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

[***]

EX-10.2

Exhibit 10.2

Execution Version

CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

AMENDMENT No. 3 TO LETTER AGREEMENT COM0271-15

This Amendment No. 3 COM082-18 (the “Amendment No. 3”) dated as of February 23, 2018 is between Embraer S.A. (“Embraer”) and Aircastle Holding Corporation Limited (“Buyer”), collectively referred to herein as the “Parties”, and constitutes an amendment and modification to Letter Agreement COM0271-15 dated June 12, 2015 as amended from time to time (the “Letter Agreement”).

All capitalized terms not otherwise defined herein shall have the same meaning when used herein as provided in the Letter Agreement and in case of any conflict between this Amendment No. 3 and the Letter Agreement, this Amendment No. 3 shall control.

WHEREAS, [***];

WHEREAS, [***].

NOW, THEREFORE, for good and valuable consideration, which is hereby acknowledged by the Parties, Embraer and Buyer agree as follows:

1. [***].

2. REINSTATEMENT OF LETTER AGREEMENT

All other provisions and conditions of the referenced Letter Agreement, as well as its related Attachments, which are not specifically modified by this Amendment No. 3 shall remain in full force and effect without any change.

3. COUNTERPARTS

This Amendment No. 3 may be signed by the Parties hereto in any number of separate counterparts with the same effect as if the signatures thereto and hereto were upon the same instrument and all of which when taken together shall constitute one and the same instrument.

This Amendment No. 3 may be signed by facsimile or email electronic signature with originals duly signed to follow by an internationally recognized courier.

[INTENTIONALLY LEFT BLANK - SIGNATURE PAGE FOLLOWS]

IN WITNESS WHEREOF, Embraer and Buyer, by their duly authorized officers, have entered into and executed this Amendment No. 3 to be effective as of the date first written above.

EMBRAER S.A.                  AIRCASTLE HOLDING CORPORATION

LIMITED

By:     /s/ John Slattery__________                By:     /s/ Stephen Quinn_________________

Name:    John Slattery                         Name:     Stephen Quinn

Title:     President and C&O                 Title:     Attorney in Fact

Commercial Aviation

By:    /s/ Simon Newitt___________         

Name:    Simon Newitt                                        

Title:     Vice President, Contracts                            

Commercial Aviation

Place:     São José dos Campos - SP                 Place:    Stamford - CT

    Brazil                        

EX-10.3

Exhibit 10.3

Execution Version

CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

AMENDMENT No. 4 TO LETTER AGREEMENT COM0271-15

This Amendment No. 4 COM207-18 (the “Amendment No. 4”) dated as of April 19, 2018 is between Embraer S.A. (“Embraer”) and Aircastle Holding Corporation Limited (“Buyer”), collectively referred to herein as the “Parties”, and constitutes an amendment and modification to Letter Agreement COM0271-15 dated June 12, 2015 as amended from time to time (the “Letter Agreement”).

All capitalized terms not otherwise defined herein shall have the same meaning when used herein as provided in the Letter Agreement and in case of any conflict between this Amendment No. 4 and the Letter Agreement, this Amendment No. 4 shall control.

WHEREAS, [***];

WHEREAS, [***];

WHEREAS, [***].

NOW, THEREFORE, for good and valuable consideration, which is hereby acknowledged by the Parties, Embraer and Buyer agree as follows:

1. [***]

The Article 1 is hereby deleted and replaced in its entirety by the following:

[***].

2. [***]

The Article 2 is hereby deleted and replaced in its entirety by the following:

[***].

3. [***]

The Article 13 is hereby deleted and replaced in its entirety by the following:

[***].

4. [***]

The Article 16 is hereby deleted in its entirety and is of no further force or effect.

5. [***]

A new Article 16 shall be added to the Letter Agreement, as follows:

[***].

6. REINSTATEMENT OF LETTER AGREEMENT

All other provisions and conditions of the referenced Letter Agreement, as well as its related Attachments, which are not specifically modified by this Amendment No. 4 shall remain in full force and effect without any change.

7. COUNTERPARTS

This Amendment No. 4 may be signed by the Parties hereto in any number of separate counterparts with the same effect as if the signatures thereto and hereto were upon the “same instrument and all of which when taken together shall constitute one and the same instrument.

This Amendment No. 4 may be signed by facsimile or email electronic signature with originals duly signed to follow by an internationally recognized courier.

[INTENTIONALLY LEFT BLANK - SIGNATURE PAGE FOLLOWS]

IN WITNESS WHEREOF, Embraer and Buyer, by their duly authorized officers, have entered into and executed this Amendment No. 4 to be effective as of the date first written above.

EMBRAER S.A.                  AIRCASTLE HOLDING CORPORATION

LIMITED

By:     /s/ John Slattery__________                By:     /s/ Stephen Quinn_________________

Name:    John Slattery                        Name:     Stephen Quinn

Title:     President & CEO                 Title:     Director

    Commercial Aviation        

By:    /s/ Simon Newitt__________         

Name:     Simon Newitt                    

Title:     Vice President Contracts

    Commercial Aviation                     

Place:     São José dos Campos - SP                 Place:     Stamford, CT

    Brazil     

CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY [***], HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 UNDER THE SECURITIES EXCHANGE ACT OF 1934, AS AMENDED.

THE FOLLOWING ATTACHMENT HAS BEEN OMITTED AND FILED SEPARATELY WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT.

[***]

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Michael Inglese, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Aircastle Limited;

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 my supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to me 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 my 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 my 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 my 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 7, 2018

/s/ Michael Inglese

Michael Inglese

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Aaron Dahlke, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Aircastle Limited;

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 my supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to me 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 my 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 my 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 my 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 7, 2018

/s/ Aaron Dahlke

Aaron Dahlke

Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

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

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Aircastle Limited (the “Company”) for the three months endedJune 30, 2018, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael Inglese, as Chief Executive Officer, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) 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.

A signed original of this written statement required by section 906 has been provided to Aircastle Limited and will be retained by Aircastle Limited and furnished to the Securities and Exchange Commission or its staff upon request.

/s/ Michael Inglese
Name:	Michael Inglese
Title:	Chief Executive Officer
Date:	August 7, 2018

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

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

PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Aircastle Limited (the “Company”) for the three months endedJune 30, 2018, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Aaron Dahlke, as Chief Financial Officer, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) 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.

A signed original of this written statement required by section 906 has been provided to Aircastle Limited and will be retained by Aircastle Limited and furnished to the Securities and Exchange Commission or its staff upon request.

/s/ Aaron Dahlke
Name:	Aaron Dahlke
Title:	Chief Financial Officer
Date:	August 7, 2018

EX-99.1

Exhibit 99.1

Owned Aircraft Portfolio at June 30, 2018 is as follows:

Aircraft Group	Aircraft Type	Engine Type	Manufacturer Serial Number	Date of Manufacture	Financing
Narrow-body Aircraft	A319-100	V2500	1258	Jun-00	Unencumbered
	A319-100	V2500	1261	Jul-00	Unencumbered
	A319-100	V2500	1279	Aug-00	Unencumbered
	A319-100	V2500	1295	Aug-00	Unencumbered
	A319-100	V2500	1329	Oct-00	Unencumbered
	A319-100	CFM56-5B	1673	Feb-02	Unencumbered
	A319-100	CFM56-5B	1742	May-02	Unencumbered
	A319-100	V2500	2098	Feb-04	Unencumbered
	A319-100	CFM56-5B	2495	May-05	Unencumbered
	A319-100	CFM56-5B	2565	Sep-05	Unencumbered
	A319-100	CFM56-5B	2578	Sep-05	Unencumbered
	A319-100	CFM56-5B	2605	Nov-05	Unencumbered
	A319-100	CFM56-5B	2636	Dec-05	Unencumbered
	A319-100	CFM56-5B	2646	Jan-06	Unencumbered
	A319-100	CFM56-5B	2677	Jan-06	Unencumbered
	A319-100	CFM56-5B	2691	Feb-06	Unencumbered
	A319-100	CFM56-5B	2715	Mar-06	Unencumbered
	A319-100	CFM56-5B	2742	Apr-06	Unencumbered
	A319-100	CFM56-5B	2744	Apr-06	Unencumbered
	A319-100	CFM56-5B	2754	Apr-06	Unencumbered
	A319-100	CFM56-5B	2765	Apr-06	Unencumbered
	A319-100	CFM56-5B	2769	Apr-06	Unencumbered
	A319-100	CFM56-5B	2777	May-06	Unencumbered
	A319-100	CFM56-5B	2779	May-06	Unencumbered
	A319-100	CFM56-5B	2782	May-06	Unencumbered
	A319-100	CFM56-5B	2795	May-06	Unencumbered
	A319-100	CFM56-5B	2803	Jun-06	Unencumbered
	A319-100	CFM56-5B	2818	Jun-06	Unencumbered
	A319-100	V2500	3045	Mar-07	Unencumbered
	A319-100	CFM56-5B	3209	Jul-07	Unencumbered
	A319-100	V2500	3421	Mar-08	Unencumbered
	A319-100	CFM56-5B	3443	Mar-08	Unencumbered
	A319-100	V2500	3450	Mar-08	Unencumbered
	A320-200	CFM56-5B	1041	Jul-99	Unencumbered
	A320-200	CFM56-5B	1054	Aug-99	Unencumbered
	A320-200	CFM56-5B	1132	Dec-99	Unencumbered
	A320-200	CFM56-5B	1162	Feb-00	Unencumbered
	A320-200	V2500	1177	Mar-00	Unencumbered
	A320-200	CFM56-5B	1179	Mar-00	Unencumbered
	A320-200	CFM56-5B	1244	Jun-00	Unencumbered
	A320-200	CFM56-5B	1259	Jul-00	Unencumbered
	A320-200	CFM56-5B	1308	Oct-00	Unencumbered
	A320-200	CFM56-5B	1322	Nov-00	Unencumbered
	A320-200	CFM56-5B	1757	May-02	Unencumbered
	A320-200	CFM56-5B	1780	May-02	Unencumbered

Aircraft Group	Aircraft Type	Engine Type	Manufacturer Serial Number	Date of Manufacture	Financing
Narrow-body Aircraft (Continued)	A320-200	CFM56-5B	1913	Jan-03	Unencumbered
	A320-200	CFM56-5B	2048	Jul-03	Unencumbered
	A320-200	CFM56-5B	2104	Apr-05	Unencumbered
	A320-200	CFM56-5B	2248	Apr-05	Unencumbered
	A320-200	V2500	2254	Sep-04	Unencumbered
	A320-200	V2500	2310	Nov-04	Unencumbered
	A320-200	CFM56-5B	2347	Apr-05	Unencumbered
	A320-200	CFM56-5B	2391	Apr-05	Unencumbered
	A320-200	V2500	2397	Mar-05	Unencumbered
	A320-200	V2500	2401	Mar-05	Unencumbered
	A320-200	V2500	2524	Sep-05	Unencumbered
	A320-200	V2500	2564	Oct-05	Unencumbered
	A320-200	CFM56-5B	2792	Jun-06	Unencumbered
	A320-200	CFM56-5B	2822	Jul-06	Unencumbered
	A320-200	CFM56-5B	2956	Nov-06	Unencumbered
	A320-200	V2500	2982	Dec-06	Unencumbered
	A320-200	CFM56-5B	2998	Jan-07	Unencumbered
	A320-200	CFM56-5B	3189	Jul-07	Unencumbered
	A320-200	CFM56-5B	3230	Sep-07	Unencumbered
	A320-200	CFM56-5B	3277	Oct-07	Unencumbered
	A320-200	CFM56-5B	3306	Nov-07	Unencumbered
	A320-200	CFM56-5B	3338	Dec-07	Bank Financing
	A320-200	CFM56-5B	3383	Jan-08	Unencumbered
	A320-200	V2500	3437	Mar-08	Unencumbered
	A320-200	V2500	3524	Jun-08	Unencumbered
	A320-200	V2500	3543	Jul-08	Unencumbered
	A320-200	CFM56-5B	3667	Dec-08	Unencumbered
	A320-200	CFM56-5B	3690	Dec-08	Unencumbered
	A320-200	CFM56-5B	3750	Jan-09	Unencumbered
	A320-200	CFM56-5B	3840	Apr-09	Unencumbered
	A320-200	V2500	4008	Aug-09	Unencumbered
	A320-200	CFM56-5B	4070	Oct-09	Bank Financing
	A320-200	V2500	4077	Nov-09	Bank Financing
	A320-200	CFM56-5B	4088	Nov-09	Bank Financing
	A320-200	V2500	4113	Nov-09	Unencumbered
	A320-200	V2500	4156	Dec-09	Unencumbered
	A320-200	V2500	4216	Feb-10	Unencumbered
	A320-200	V2500	4312	May-10	Unencumbered
	A320-200	CFM56-5B	4694	May-11	Unencumbered
	A320-200	V2500	4968	Jan-12	Unencumbered
	A320-200	V2500	5010	Feb-12	Unencumbered
	A320-200	V2500	5127	May-12	Unencumbered
	A320-200	CFM56-5B	6139	Oct-14	Unencumbered
	A320-200	CFM56-5B	6173	Oct-14	Unencumbered
	A320-200	CFM56-5B	6528	Mar-15	Unencumbered
	A320-200	CFM56-5B	6536	Mar-15	Unencumbered
	A320-200	CFM56-5B	6561	Apr-15	Unencumbered
	A320-200	CFM56-5B	6598	May-15	Unencumbered

Aircraft Group	Aircraft Type	Engine Type	Manufacturer Serial Number	Date of Manufacture	Financing
Narrow-body Aircraft (Continued)	A320-200	CFM56-5B	6634	Jun-15	Unencumbered
	A320-200	CFM56-5B	6800	Oct-15	Bank Financing
	A320-200	CFM56-5B	6806	Nov-15	Bank Financing
	A320-200	CFM56-5B	6813	Nov-15	Bank Financing
	A320-200	CFM56-5B	7050	Apr-16	Bank Financing
	A320-200	CFM56-5B	7223	Jul-16	Bank Financing
	A321-200	CFM56-5B	775	Feb-98	Unencumbered
	A321-200	CFM56-5B	815	May-98	Unencumbered
	A321-200	V2500	1199	Apr-00	Unencumbered
	A321-200	V2500	1734	May-02	Unencumbered
	A321-200	CFM56-5B	2208	Apr-04	Unencumbered
	A321-200	CFM56-5B	2220	May-04	Unencumbered
	A321-200	CFM56-5B	2357	Dec-04	Unencumbered
	A321-200	CFM56-5B	2381	Feb-05	Unencumbered
	A321-200	CFM56-5B	2488	Jun-05	Unencumbered
	A321-200	CFM56-5B	2563	Oct-05	Bank Financing
	A321-200	V2500	2687	Feb-06	Unencumbered
	A321-200	CFM56-5B	2756	May-06	Unencumbered
	A321-200	V2500	3458	Apr-08	Unencumbered
	A321-200	V2500	3637	Jan-09	Unencumbered
	A321-200	V2500	3673	Jan-09	Unencumbered
	A321-200	V2500	6201	Jul-14	Unencumbered
	A321-200	V2500	6253	Sep-14	Unencumbered
	737-700	CFM56-7B	28008	Feb-99	Unencumbered
	737-700	CFM56-7B	28009	Mar-99	Unencumbered
	737-700	CFM56-7B	28010	Oct-99	Unencumbered
	737-700	CFM56-7B	28013	Oct-00	Unencumbered
	737-700	CFM56-7B	28015	Feb-01	Unencumbered
	737-700	CFM56-7B	28498	Mar-01	Unencumbered
	737-700	CFM56-7B	29346	Jan-03	Unencumbered
	737-700	CFM56-7B	29347	May-03	Unencumbered
	737-700	CFM56-7B	29356	Oct-04	Unencumbered
	737-700	CFM56-7B	30687	Apr-07	Unencumbered
	737-700	CFM56-7B	30710	Feb-07	Bank Financing
	737-700	CFM56-7B	32881	Jun-02	Unencumbered
	737-700	CFM56-7B	33103	Jun-02	Unencumbered
	737-800	CFM56-7B	28231	May-00	Unencumbered
	737-800	CFM56-7B	28381	May-99	Unencumbered
	737-800	CFM56-7B	28623	May-00	Unencumbered
	737-800	CFM56-7B	29037	Jan-99	Unencumbered
	737-800	CFM56-7B	29345	May-02	Unencumbered
	737-800	CFM56-7B	29368	Mar-06	Unencumbered
	737-800	CFM56-7B	29918	Jun-99	Unencumbered
	737-800	CFM56-7B	29920	Sep-99	Unencumbered
	737-800	CFM56-7B	30296	Feb-05	Unencumbered
	737-800	CFM56-7B	30410	Oct-02	Unencumbered

Aircraft Group	Aircraft Type	Engine Type	Manufacturer Serial Number	Date of Manufacture	Financing
Narrow-body Aircraft (Continued)	737-800	CFM56-7B	30640	Dec-01	Unencumbered
	737-800	CFM56-7B	30652	Dec-01	Unencumbered
	737-800	CFM56-7B	30673	May-04	Unencumbered
	737-800	CFM56-7B	30695	Mar-06	Unencumbered
	737-800	CFM56-7B	30824	Mar-05	Bank Financing
	737-800	CFM56-7B	30877	Mar-01	Unencumbered
	737-800	CFM56-7B	31107	Oct-10	Unencumbered
	737-800	CFM56-7B	31109	Nov-10	Unencumbered
	737-800	CFM56-7B	32796	Feb-03	Unencumbered
	737-800	CFM56-7B	33030	Jun-06	Unencumbered
	737-800	CFM56-7B	33104	Jun-03	Unencumbered
	737-800	CFM56-7B	33453	Jul-05	Bank Financing
	737-800	CFM56-7B	33597	Sep-06	Unencumbered
	737-800	CFM56-7B	34000	Aug-05	Bank Financing
	737-800	CFM56-7B	34242	Mar-05	Unencumbered
	737-800	CFM56-7B	34690	Feb-07	Unencumbered
	737-800	CFM56-7B	34799	Sep-06	Unencumbered
	737-800	CFM56-7B	34800	Oct-06	Unencumbered
	737-800	CFM56-7B	35022	Jan-10	Unencumbered
	737-800	CFM56-7B	35082	Mar-08	Unencumbered
	737-800	CFM56-7B	35093	Feb-07	Unencumbered
	737-800	CFM56-7B	35099	Nov-07	Unencumbered
	737-800	CFM56-7B	35103	Nov-06	Bank Financing
	737-800	CFM56-7B	35106	Mar-08	Unencumbered
	737-800	CFM56-7B	35134	Jan-07	Unencumbered
	737-800	CFM56-7B	36573	Apr-08	Unencumbered
	737-800	CFM56-7B	36826	Sep-11	Bank Financing
	737-800	CFM56-7B	36829	Oct-11	Bank Financing
	737-800	CFM56-7B	37532	May-09	Unencumbered
	737-800	CFM56-7B	37742	Feb-09	Unencumbered
	737-800	CFM56-7B	38494	Jan-10	Unencumbered
	737-800	CFM56-7B	38686	Jan-13	Unencumbered
	737-800	CFM56-7B	39859	Jul-15	Unencumbered
	737-800	CFM56-7B	39864	Sep-15	Bank Financing
	737-800	CFM56-7B	40580	Aug-10	Unencumbered
	737-800	CFM56-7B	40581	Sep-10	Unencumbered
	737-800	CFM56-7B	40713	Dec-10	Unencumbered
	737-800	CFM56-7B	40744	May-16	Unencumbered
	737-800	CFM56-7B	40745	Aug-16	Unencumbered
	737-800	CFM56-7B	40910	Dec-10	Unencumbered
	737-800	CFM56-7B	40998	Nov-11	Unencumbered
	737-800	CFM56-7B	41179	Feb-16	Unencumbered
	737-800	CFM56-7B	41398	May-14	Unencumbered
	737-800	CFM56-7B	60499	Jul-17	Unencumbered
	737-800	CFM56-7B	60500	Aug-17	Unencumbered
	737-800	CFM56-7B	60501	Sep-17	Unencumbered
	737-900	CFM56-7B	30412	May-03	Unencumbered
	737-900ER	CFM56-7B	35679	Apr-07	Unencumbered

Aircraft Group	Aircraft Type	Engine Type	Manufacturer Serial Number	Date of Manufacture	Financing
Narrow-body Aircraft (Continued)	737-900ER	CFM56-7B	35680	May-07	Unencumbered
	737-900ER	CFM56-7B	35720	Dec-08	Unencumbered
	737-900ER	CFM56-7B	35721	Feb-09	Unencumbered
	737-900ER	CFM56-7B	38683	Nov-12	Unencumbered
	E195	CF34-10	484	Oct-11	Unencumbered
	E195	CF34-10	575	Sep-12	Unencumbered
	E195	CF34-10	588	Dec-12	Unencumbered
	E195	CF34-10	609	Mar-13	Unencumbered
	E195	CF34-10	628	Jun-13	Unencumbered
Wide-body Aircraft	A330-200	Trent 700	313	Jan-00	Unencumbered
	A330-200	PW4000	324	May-00	Unencumbered
	A330-200	PW4000	343	Jun-00	Unencumbered
	A330-200	Trent 700	526	Apr-03	Unencumbered
	A330-200	CF6-80E1	587	Apr-04	Unencumbered
	A330-200	CF6-80E1	634	Nov-04	Unencumbered
	A330-200	CF6-80E1	811	Feb-07	Unencumbered
	A330-200	Trent 700	1073	Dec-09	ECA Financing
	A330-200	Trent 700	1191	Feb-11	ECA Financing
	A330-200	Trent 700	1210	Mar-11	ECA Financing
	A330-200	Trent 700	1223	May-11	ECA Financing
	A330-200	Trent 700	1236	Jul-11	ECA Financing
	A330-200	Trent 700	1364	Nov-12	ECA Financing
	A330-200	Trent 700	1492	Oct-14	Unencumbered
	A330-300	Trent 700	997	Mar-09	Unencumbered
	A330-300	Trent 700	1006	Apr-09	Unencumbered
	A330-300	Trent 700	1012	May-09	Unencumbered
	A330-300	Trent 700	1015	May-09	Unencumbered
	A330-300	PW4000	1055	Oct-09	Unencumbered
	A330-300	Trent 700	1411	Apr-13	Bank Financing
	A330-300	Trent 700	1481	Jan-14	Bank Financing
	777-200ER	GE90	32705	Oct-04	Bank Financing
	777-300ER	GE90	35256	Mar-07	Bank Financing
	777-300ER	GE90	35299	Oct-07	Unencumbered
	777-300ER	GE90	38886	Aug-12	Unencumbered
	777-300ER	GE90	38888	Oct-12	Unencumbered
	777-300ER	GE90	38889	Nov-12	Unencumbered
	777-300ER	GE90	41522	Mar-13	Bank Financing
Freighter Aircraft	747-400F	CF6-80C2	33749	Oct-04	Unencumbered
	747-400ERF	CF6-80C2	35233	Jan-07	Unencumbered
	747-400ERF	CF6-80C2	35236	Feb-08	Unencumbered
	747-400ERF	CF6-80C2	35237	Apr-08	Unencumbered

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 03, 2018
Document And Entity Information [Abstract]
Entity Registrant Name	Aircastle LTD
Entity Central Index Key	0001362988
Document Type	10-Q
Document Period End Date	Jun. 30, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		78,186,008

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 142,360	$ 211,922
Restricted Cash and Cash Equivalents	20,880	21,935
Accounts receivable	19,357	12,815
Flight equipment held for lease, net of accumulated depreciation of $1,177,448 and $1,125,594, respectively	6,249,406	6,188,469
Net investment in finance and sales-type leases	526,738	545,750
Unconsolidated equity method investments	80,100	76,982
Other assets	174,307	141,210
Total assets	7,213,148	7,199,083
LIABILITIES
Borrowings from secured financings, net of debt issuance costs	798,522	849,874
Borrowings from unsecured financings, net of debt issuance costs	3,392,169	3,463,732
Accounts payable, accrued expenses and other liabilities	131,364	140,221
Lease rentals received in advance	76,780	57,630
Security deposits	131,101	130,628
Maintenance payments	719,806	649,434
Total liabilities	5,249,742	5,291,519
Commitments and Contingencies
SHAREHOLDERS’ EQUITY
Common shares, $0.01 par value, 250,000,000 shares authorized, 78,244,038 shares issued and outstanding at June 30, 2018; and 78,707,963 shares issued and outstanding at December 31, 2017	782	787
Additional paid-in capital	1,519,479	1,527,796
Retained earnings	443,900	380,331
Accumulated other comprehensive loss	(755)	(1,350)
Total shareholders’ equity	1,963,406	1,907,564
Total liabilities and shareholders’ equity	$ 7,213,148	$ 7,199,083

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Accumulated depreciation on flight equipment held for lease	$ 1,177,448	$ 1,125,594
Common shares, par value	$ 0.01	$ 0.01
Common shares, shares authorized	250,000,000	250,000,000
Common shares, shares issued	78,244,038	78,707,963
Common shares, shares outstanding	78,244,038	78,707,963
Preference shares, par value	$ 0.01	$ 0.01
Preference shares, shares authorized	50,000,000	50,000,000
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0

XML

Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Lease rental revenue	$ 178,486	$ 189,098	$ 355,969	$ 379,684
Finance and sales-type lease revenue	8,868	5,878	18,310	9,951
Amortization of lease premiums, discounts and incentives	(3,534)	(3,280)	(6,662)	(6,392)
Maintenance revenue	0	28,944	11,991	41,231
Total lease revenue	183,820	220,640	379,608	424,474
Gain (Loss) on Disposition of Property Plant Equipment	19,864	13,525	25,632	14,284
Other revenue	592	2,894	1,716	3,333
Total revenues	204,276	237,059	406,956	442,091
Operating expenses:
Depreciation	76,181	78,254	151,183	157,428
Interest, net	57,398	61,672	114,506	124,740
Selling, general and administrative (including non-cash share-based payment expense of $3,076 and $6,028 for the three months ended and $5,454 and $8,130 for the six months ended June 30, 2018 and 2017, respectively)	18,583	22,187	36,418	38,354
Asset Impairment Charges	0	79,930	0	80,430
Maintenance and other costs	1,561	2,343	2,549	5,274
Total expenses	153,723	244,386	304,656	406,226
Other income (expense):
Total other income (expense)	901	(1,560)	4,075	(2,709)
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	51,454	(8,887)	106,375	33,156
Income tax provision	3,132	495	2,288	2,341
Earnings of unconsolidated equity method investments, net of tax	1,881	2,266	3,663	4,508
Net income (loss)	$ 50,203	$ (7,116)	$ 107,750	$ 35,323
Earnings (loss) per common share — Basic:
Net income (loss) per share (in dollars per share)	$ 0.64	$ (0.09)	$ 1.37	$ 0.45
Earnings (loss) per common share — Diluted:
Net income (loss) per share	0.64	(0.09)	1.37	0.45
Dividends declared per share	$ 0.28	$ 0.26	$ 0.56	$ 0.52

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Consolidated Statements of Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Non-cash share based payment expense	$ 3,076	$ 6,028	$ 5,454	$ 8,130

XML

Consolidated Statements of Comprehensive Income (Unaudited) - 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 income (loss)	$ 50,203	$ (7,116)	$ 107,750	$ 35,323
Other comprehensive income, net of tax:
Net derivative loss reclassified into earnings	294	575	595	1,156
Other comprehensive income	294	575	595	1,156
Total comprehensive income (loss)	$ 50,497	$ (6,541)	$ 108,345	$ 36,479

XML

Consolidated Statements of Comprehensive Income (Unaudited) (Parenthetical) - 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 of tax expense	$ 0	$ 0	$ 0	$ 0

XML

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Statement of Cash Flows [Abstract]
Net income (loss)	$ 107,750	$ 35,323
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	151,183	157,428
Amortization of Debt Issuance Costs and Discounts	7,042	9,125
Amortization of lease premiums, discounts and incentives	6,662	6,392
Deferred income taxes	3,126	(833)
Non-cash share-based payment expense	5,454	8,130
Cash flow hedges reclassified into earnings	595	1,156
Security deposits and maintenance payments included in earnings	(554)	(23,063)
Gain on sale of flight equipment	(25,632)	(14,284)
Asset Impairment Charges	0	80,430
Other	(7,491)	1,211
Changes in certain assets and liabilities:
Accounts receivable	(7,315)	2,090
Other assets	(3,086)	(11,407)
Accounts payable, accrued expenses and other liabilities	(14,799)	(2,194)
Lease rentals received in advance	16,908	(2,115)
Net Cash and Restricted Cash Provided by (Used in) Operating Activities	239,843	247,389
Cash flows from investing activities:
Acquisition and improvement of flight equipment	(365,505)	(148,364)
Proceeds from sale of flight equipment	178,185	238,277
Payments to Acquire Finance Receivables	(16,256)	(119,971)
Collections on finance and sales-type leases	13,127	17,185
Payments for (Proceeds from) Previous Acquisition	(3,965)	(2,892)
Other	2,956	88
Net Cash and Restricted Cash Provided By (Used In) Investing Activities	(191,458)	(15,677)
Cash flows from financing activities:
Repurchase of shares	(14,987)	(2,513)
Proceeds from secured and unsecured debt financings	0	500,000
Repayments of secured and unsecured debt financings	(128,342)	(667,472)
Deferred financing costs	(1,615)	(8,540)
Security deposits and maintenance payments received	108,653	87,185
Security deposits and maintenance payments returned	(38,718)	(77,593)
Dividends paid	(43,993)	(40,948)
Net Cash and Restricted Cash Provided by (Used In) Financing Activities	(119,002)	(209,881)
Cash and Restricted Cash, Period Increase (Decrease)	(70,617)	21,831
Cash and Restricted Cash at Beginning of Period	233,857	508,817
Cash and Restricted Cash at End of Period	163,240	530,648
Supplemental disclosures of cash flow information:
Cash paid for interest, net of capitalized interest	108,078	117,420
Cash paid for income taxes	5,533	2,200
Supplemental disclosures of non-cash investing activities:
Advance lease rentals, security deposits and maintenance payments assumed in asset acquisitions	28,348	3,653
Advance Lease Rentals, Security Deposits, Maintenance Payments, Other Liabilities and Other Assets Settled In Sale Of Flight Equipment	40,116	44,603
Property, Plant and Equipment, Transfers and Changes	$ 40,198	$ 99,162

XML

Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]

Summary of Significant Accounting Policies

Organization and Basis of Presentation

Aircastle Limited (“Aircastle,” the “Company,” “we,” “us” or “our”) is a Bermuda exempted company that was incorporated on October 29, 2004 under the provisions of Section 14 of the Companies Act of 1981 of Bermuda. Aircastle’s business is acquiring, leasing, managing and selling commercial jet aircraft.

Aircastle is a holding company that conducts its business through subsidiaries. Aircastle directly or indirectly owns all of the outstanding common shares of its subsidiaries. The consolidated financial statements presented are prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”). The Company manages, analyzes and reports on its business and results of operations on the basis of one operating segment: leasing, financing, selling and managing commercial flight equipment. Our Chief Executive Officer is the chief operating decision maker.

The accompanying consolidated financial statements are unaudited and have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) for interim financial reporting and, in our opinion, reflect all adjustments, including normal recurring items, which are necessary to present fairly the results for interim periods. Operating results for the periods presented are not necessarily indicative of the results that may be expected for the entire year. Certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been omitted in accordance with the rules and regulations of the SEC; however, we believe that the disclosures are adequate to make information presented not misleading. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

As part of the Company’s adoption of Financial Accounting Standards Board (“FASB”) Accounting Standards Update (“ASU”) No. 2014-09, Revenue from Contracts with Customers (Topic 606), we have reclassified Gain on sale of flight equipment from Other income (expense) to Revenues on our Consolidated Statements of Income for the three and six months endedJune 30, 2018. We believe this better reflects the sale of flight equipment as part of our ordinary activities and conforms our presentation to those of our publicly traded peers. The presentation for the three and six months endedJune 30, 2017, has also been reclassified to conform to the current period presentation:

	Three Months Ended June 30, 2017		Six Months Ended June 30, 2017
Total revenues as previously reported	$	223,534	$	427,807
Gain on sale of flight equipment	13,525		14,284
Total revenues	$	237,059	$	442,091

The Company’s management has reviewed and evaluated all events or transactions for potential recognition and/or disclosure since the balance sheet date of June 30, 2018, through the date on which the consolidated financial statements included in this Form 10-Q were issued.

Effective January 1, 2018, the Company adopted FASB ASU No. 2016-15, Statement of Cash Flows (Topic 230), Classification of Certain Cash Receipts and Cash Payments. The standard clarifies how entities should classify certain cash receipts and cash payments on the statement of cash flows. The guidance also clarifies how the predominance principle should be applied when cash receipts and cash payments have aspects of more than one class of cash flows. The update is applied using a retrospective transition method to each period presented. The standard did not have a material impact on our consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted FASB ASU No. 2014-09, Revenue from Contracts with Customers (Topic 606) and related updates, as noted above. Lease contracts within the scope of Accounting Standards Codification (“ASC”) 840, Leases, are specifically excluded from ASU No. 2014-09. The standard’s core principle is that a company will recognize revenue when it transfers promised goods or services to customers in an amount that reflects the consideration to which a company expects to be entitled in exchange for those goods or services. The update is applied using the modified retrospective approach. The standard did not have a material impact on our consolidated financial statements and related disclosures.

Effective January 1, 2018, the Company adopted FASB ASU No. 2017-09, Compensation-Stock Compensation (Topic 718), Scope of Modification Accounting. The standard clarifies when changes to the terms or conditions of a share-based payment award must be accounted for as modifications. Entities will apply the modification accounting guidance if the value, vesting conditions or classification of the award changes. In addition, when applicable, disclosure is required to indicate that compensation expense has not changed. The update is applied using a prospective transition method to each period presented. The standard did not have a material impact on our consolidated financial statements and related disclosures.

Principles of Consolidation

The consolidated financial statements include the accounts of Aircastle and all of its subsidiaries. Aircastle consolidates four Variable Interest Entities (“VIEs”) of which Aircastle is the primary beneficiary. All intercompany transactions and balances have been eliminated in consolidation.

We consolidate VIEs in which we have determined that we are the primary beneficiary. We use judgment when deciding: (a) whether an entity is subject to consolidation as a VIE; (b) who the variable interest holders are; (c) the potential expected losses and residual returns of the variable interest holders; and (d) which variable interest holder is the primary beneficiary. When determining which enterprise is the primary beneficiary, we consider: (1) the entity’s purpose and design; (2) which variable interest holder has the power to direct the activities that most significantly impact the entity’s economic performance; and (3) the obligation to absorb losses of the entity or the right to receive benefits from the entity that could potentially be significant to the VIE. When certain events occur, we reconsider whether we are the primary beneficiary of VIEs. We do not reconsider whether we are a primary beneficiary solely because of operating losses incurred by an entity.

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. While Aircastle believes that the estimates and related assumptions used in the preparation of the consolidated financial statements are appropriate, actual results could differ from those estimates.

Recent Accounting Pronouncements

On February 25, 2016, the FASB issued ASC 842, Leases (“ASC 842”) which, together with all subsequent amendments, replaced the existing guidance in ASC 840, Leases (“ASC 840”). The accounting for leases by lessors basically remained unchanged from the concepts that existed in ASC 840 accounting. The FASB decided that lessors would be precluded from recognizing selling profit and revenue at lease commencement for any sales-type or direct finance lease that does not transfer control of the underlying asset to the lessee. This requirement aligns the notion of what constitutes a sale in the lessor accounting guidance with that in the forthcoming revenue recognition standard, which evaluates whether a sale has occurred from the customer’s perspective. The standard will be effective for reporting periods beginning after December 15, 2018. We plan to adopt the standard on its required effective date of January 1, 2019, using the “modified retrospective” approach and are reviewing which, if any, practical expedients to use. We are also evaluating the impact that ASC 842 will have on our consolidated financial statements and related disclosures. We do not believe that the adoption of the standard will significantly impact our existing or potential lessees' economic decisions to lease aircraft.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments. The standard affects entities holding financial assets and net investment in leases that are not accounted for at fair value through net income. The amendments affect loans, debt securities, trade receivables, net investments in leases, off-balance-sheet credit exposures, reinsurance receivables, and any other financial assets not excluded from the scope that have the contractual right to receive cash. The standard is applied on a modified retrospective approach. The standard is effective for annual periods beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted as early as the fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. We are in the process of determining the impact the standard will have on our consolidated financial statements and related disclosures.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Fair value measurements and disclosures require the use of valuation techniques to measure fair value that maximize the use of observable inputs and minimize use of unobservable inputs. These inputs are prioritized as follows:

• Level 1: Observable inputs such as quoted prices in active markets for identical assets or liabilities.

• Level 2: Inputs other than quoted prices included within Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities or market corroborated inputs.

• Level 3: Unobservable inputs for which there is little or no market data and which require us to develop our own assumptions about how market participants price the asset or liability.

The valuation techniques that may be used to measure fair value are as follows:

• The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities.

• The income approach uses valuation techniques to convert future amounts to a single present amount based on current market expectation about those future amounts.

• The cost approach is based on the amount that currently would be required to replace the service capacity of an asset (replacement cost).

The following tables set forth our financial assets as of June 30, 2018 and December 31, 2017 that we measured at fair value on a recurring basis by level within the fair value hierarchy. Assets measured at fair value are classified in their entirety based on the lowest level of input that is significant to their fair value measurement. 

			Fair Value Measurements at June 30, 2018 Using Fair Value Hierarchy
	Fair Value as of June 30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique
Assets:
Cash and cash equivalents	$	142,360	$	142,360	$	—	$	—	Market
Restricted cash and cash equivalents	20,880		20,880		—		—		Market
Derivative assets	7,329		—		7,329		—		Market
Total	$	170,569	$	163,240	$	7,329	$	—

			Fair Value Measurements at December 31, 2017 Using Fair Value Hierarchy
	Fair Value as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique
Assets:
Cash and cash equivalents	$	211,922	$	211,922	$	—	$	—	Market
Restricted cash and cash equivalents	21,935		21,935		—		—		Market
Derivative assets	3,254		—		3,254		—		Market
Total	$	237,111	$	233,857	$	3,254	$	—

Our cash and cash equivalents, along with our restricted cash and cash equivalents balances, consist largely of money market securities that are considered to be highly liquid and easily tradable. These securities are valued using inputs observable in active markets for identical securities and are therefore classified as Level 1 within our fair value hierarchy. Our interest rate derivative included in Level 2 consists of United States dollar-denominated interest rate cap, and the fair value is based on market comparisons for similar instruments. We also considered the credit rating and risk of the counterparty providing the interest rate cap based on quantitative and qualitative factors.

For the three and six months endedJune 30, 2018 and the year ended December 31, 2017, we had no transfers into or out of Level 3.

We measure the fair value of certain assets and liabilities on a non-recurring basis, when U.S. GAAP requires the application of fair value, including events or changes in circumstances that indicate that the carrying amounts of assets may not be recoverable. Assets subject to these measurements include our investments in unconsolidated joint ventures and aircraft. We account for our investments in unconsolidated joint ventures under the equity method of accounting and record impairment when its fair value is less than its carrying value. We record aircraft at fair value when we determine the carrying value may not be recoverable. Fair value measurements for aircraft in impairment tests are based on an income approach which uses Level 3 inputs, which include the Company’s assumptions and appraisal data as to future cash proceeds from leasing and selling aircraft.

Aircraft Valuation

Annual Recoverability Assessment

We completed our annual recoverability assessment of our aircraft in the second quarter this year. We also performed aircraft-specific analyses where there were changes in circumstances, such as approaching lease expirations. No impairments were recorded as a result of our annual recoverability assessment.

The recoverability assessment is a comparison of the carrying value of each aircraft to its undiscounted expected future cash flows. We develop the assumptions used in the recoverability assessment, including those relating to current and future demand for each aircraft type, based on management’s experience in the aircraft leasing industry, as well as information received from third-party sources. Estimates of the undiscounted cash flows for each aircraft type are impacted by changes in contracted and future expected lease rates, residual values, expected scrap values, economic conditions and other factors.

Management believes that the net book value of each aircraft is currently supported by the estimated future undiscounted cash flows expected to be generated by that aircraft, and accordingly, no aircraft were impaired as a consequence of our annual recoverability assessment. However, if our estimates or assumptions change, we may revise our cash flow assumptions and record future impairment charges. While we believe that the estimates and related assumptions used in the annual recoverability assessment are appropriate, actual results could differ from those estimates.

Financial Instruments

Our financial instruments, other than cash, consist principally of cash equivalents, restricted cash and cash equivalents, accounts receivable, accounts payable, amounts borrowed under financings and interest rate derivatives. The fair value of cash, cash equivalents, restricted cash and cash equivalents, accounts receivable and accounts payable approximates the carrying value of these financial instruments because of their short-term nature.

The fair value of our senior notes is estimated using quoted market prices. The fair values of all our other financings are estimated using a discounted cash flow analysis, based on our current incremental borrowing rates for similar types of borrowing arrangements.

The carrying amounts and fair values of our financial instruments at June 30, 2018 and December 31, 2017 were as follows:

	June 30, 2018				December 31, 2017
	Carrying  Amount of Liability		Fair Value of Liability		Carrying Amount of Liability		Fair Value of Liability
Credit Facilities	$	100,000	$	100,000	$	175,000	$	175,000
Unsecured Term Loan	120,000		120,000		120,000		120,000
ECA Financings	208,448		208,823		227,491		232,030
Bank Financings	600,883		602,468		634,898		634,132
Senior Notes	3,200,000		3,246,700		3,200,000		3,367,245

All of our financial instruments are classified as Level 2 with the exception of our Senior Notes, which are classified as Level 1.

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Lease Rental Revenues and Flight Equipment Held for Lease

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Lessor, Operating Leases [Text Block]

Lease Rental Revenues and Flight Equipment Held for Lease

Minimum future annual lease rentals contracted to be received under our existing operating leases of flight equipment at June 30, 2018 were as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	373,563
2019	679,349
2020	576,304
2021	459,712
2022	367,244
Thereafter	725,712
Total	$	3,181,884

Geographic concentration of lease rental revenue earned from flight equipment held for lease was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
Region	2018		2017		2018		2017
Asia and Pacific	35	%	37	%	35	%	39	%
Europe	29	%	24	%	29	%	23	%
Middle East and Africa	11	%	12	%	11	%	12	%
North America	8	%	8	%	8	%	7	%
South America	17	%	19	%	17	%	19	%
Total	100	%	100	%	100	%	100	%

The classification of regions in the tables above and in the table and discussion below is determined based on the principal location of the lessee of each aircraft.

The following table shows the number of lessees with lease rental revenue of at least 5% and their combined total percentage of lease rental revenue for the years indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue
Largest lessees by lease rental revenue	3	19%	3	19%	3	19%	3	19%

At June 30, 2018 and December 31, 2017, no country represented at least 10% of total revenue based on each counterparty’s principal place of business.

Geographic concentration of net book value of flight equipment (including flight equipment held for lease and net investment in finance and sales-type leases, or “net book value”) was as follows:

	June 30, 2018			December 31, 2017
Region	Number of Aircraft	Net Book Value %		Number of Aircraft		Net Book Value %
Asia and Pacific	62	30	%	59		30	%
Europe	87	30	%	92		32	%
Middle East and Africa	17	9	%	15		9	%
North America	36	12	%	32		10	%
South America	26	19	%	25		19	%
Off-lease	—	—	%	1	(1)	—	%
Total	228	100	%	224		100	%

_______________

(1) Consisted of one Airbus A321-200 aircraft, which was delivered on lease to a customer in the second quarter of 2018.

At June 30, 2018 and December 31, 2017, no country represented at least 10% of net book value of flight equipment based on each lessee’s principal place of business.

At June 30, 2018 and December 31, 2017, the amounts of lease incentive liabilities recorded in maintenance payments on our Consolidated Balance Sheets were $15,709 and $11,496, respectively.

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Net Investment in Finance Leases

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Net Investment in Finance Leases

Net Investment in Finance and Sales-Type Leases

At June 30, 2018, our net investment in finance and sales-type leases consisted of 30 aircraft. The following table lists the components of our net investment in finance and sales-type leases at June 30, 2018:

	Amount
Total lease payments to be received	$	298,808
Less: Unearned income	(148,283		)
Estimated residual values of leased flight equipment (unguaranteed)	376,213
Net investment in finance and sales-type leases	$	526,738

At June 30, 2018, minimum future lease payments on finance and sales-type leases are as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	35,080
2019	66,285
2020	63,840
2021	53,057
2022	42,460
Thereafter	38,086
Total lease payments to be received	$	298,808

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Unconsolidated Equity Method Investment (Notes)

6 Months Ended

Jun. 30, 2018

Equity Method Investments and Joint Ventures [Abstract]

Unconsolidated Equity Method Investment

Unconsolidated Equity Method Investments

We have joint ventures with an affiliate of Ontario Teachers’ Pension Plan (“Teachers’”) and with the leasing arm of the Industrial Bank of Japan, Limited (“IBJL”).

At June 30, 2018, the net book value of both joint ventures’ twelve aircraft was approximately $628,000.

	Amount
Investment in joint ventures at December 31, 2017	$	76,982
Investment in joint ventures	355
Earnings from joint ventures, net of tax	3,663
Distributions	(900		)
Investment in joint ventures at June 30, 2018	$	80,100

The Company has recorded in its Consolidated Balance Sheet a $13,200 guarantee liability in Maintenance payments and a $5,100 guarantee liability in Security deposits representing its share of the respective exposures.

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Variable Interest Entities

6 Months Ended

Jun. 30, 2018

Variable Interest Entities [Abstract]

Variable Interest Entities

Variable Interest Entities

Aircastle consolidates four VIEs of which it is the primary beneficiary. The operating activities of these VIEs are limited to acquiring, owning, leasing, maintaining, operating and, under certain circumstances, selling the six aircraft discussed below.

ECA Financings

Aircastle, through various subsidiaries, each of which is owned by a charitable trust (such entities, collectively the “Air Knight VIEs”), has entered into six different twelve-year term loans, which are supported by guarantees from Compagnie Française d'Assurance pour le Commerce Extérieur, (“COFACE”), the French government sponsored export credit agency (“ECA”). We refer to these COFACE-supported financings as “ECA Financings.”

Aircastle is the primary beneficiary of the Air Knight VIEs, as we have the power to direct the activities of the VIEs that most significantly impact the economic performance of such VIEs and we bear the significant risk of loss and participate in gains through a finance lease. The activity that most significantly impacts the economic performance is the leasing of aircraft of which our wholly owned subsidiary is the servicer and is responsible for managing the relevant aircraft. There is a cross collateralization guarantee between the Air Knight VIEs. In addition, Aircastle guarantees the debt of the Air Knight VIEs.

The only assets that the Air Knight VIEs have on their books are financing leases that are eliminated in the consolidated financial statements. The related aircraft, with a net book value as of June 30, 2018 of $403,835, were included in our flight equipment held for lease. The consolidated debt outstanding, net of debt issuance costs, of the Air Knight VIEs as of June 30, 2018 is $203,882.

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Secured and Unsecured Debt Financings

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Secured and Unsecured Debt Financings

Secured and Unsecured Debt Financings

The outstanding amounts of our secured and unsecured term debt financings are as follows:

	At June 30, 2018						At December 31, 2017
Debt Obligation	Outstanding Borrowings			Number of Aircraft	Interest Rate	Final Stated Maturity	Outstanding Borrowings
Secured Debt Financings:
ECA Financings(1)	$	208,448		6	3.02% to 3.96%	12/03/21 to 11/30/24	$	227,491
Bank Financings(2)	600,883			23	2.22% to 4.49%	09/11/18 to 01/19/26	634,898
Less: Debt Issuance Costs	(10,809		)	—			(12,515		)
Total secured debt financings, net of debt issuance costs	798,522			29			849,874
Unsecured Debt Financings:
Senior Notes due 2018	400,000				4.625%	12/15/18	400,000
Senior Notes due 2019	500,000				6.25%	12/01/19	500,000
Senior Notes due 2020	300,000				7.625%	04/15/20	300,000
Senior Notes due 2021	500,000				5.125%	03/15/21	500,000
Senior Notes due 2022	500,000				5.50%	02/15/22	500,000
Senior Notes due 2023	500,000				5.00%	04/01/23	500,000
Senior Notes due 2024	500,000				4.125%	05/01/24	500,000
Unsecured Term Loan	120,000				4.335%	04/28/19	120,000
Revolving Credit Facilities	100,000				4.19%	11/21/19 to 06/27/22	175,000
Less: Debt Issuance Costs	(27,831		)				(31,268		)
Total unsecured debt financings, net of debt issuance costs	3,392,169						3,463,732
Total secured and unsecured debt financings, net of debt issuance costs	$	4,190,691					$	4,313,606

(1) The borrowings under these financings at June 30, 2018 have a weighted-average rate of interest of 3.58%.

(2) The borrowings under these financings at June 30, 2018 have a weighted-average fixed rate of interest of 4.24%.

Unsecured Debt Financings:

Revolving Credit Facility

On June 27, 2018, we increased the size of one of our unsecured revolving credit facilities from $675,000 to $800,000 and extended its maturity by more than two years to June 2022 and the interest rate decreased from LIBOR plus 2.25% to LIBOR plus 1.50%. At June 30, 2018, we had $100,000 outstanding under our revolving credit facilities.

As of June 30, 2018, we were in compliance with all applicable covenants in our financings.

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Shareholders' Equity and Share Based Payment

6 Months Ended

Jun. 30, 2018

Shareholders’ Equity and Share Based Payment [Abstract]

Shareholders’ Equity and Share Based Payment

Shareholders' Equity and Share-Based Payment

During the six months endedJune 30, 2018, the Company issued 291,876 restricted common shares and issued 306,359 performance share units (“PSUs”). These awards were made under the Aircastle Limited Amended and Restated 2014 Omnibus Incentive Plan.

During the six months endedJune 30, 2018, the Company incurred share-based compensation expense of $2,813 related to restricted common shares and $2,641 related to PSUs.

As of June 30, 2018, there was $7,249 of unrecognized compensation cost related to unvested restricted common share-based payments and $9,276 of unrecognized compensation cost related to unvested PSU share-based payments that are expected to be recognized over a weighted-average remaining period of 1.95 years.

During the six months ended June 30, 2018, we repurchased 638,636 common shares at an aggregate cost of $12,492, including commissions. At June 30, 2018, the remaining dollar value of shares that may be repurchased under the repurchase program approved by our Board of Directors on February 9, 2016 is $83,396.

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Dividends

6 Months Ended

Jun. 30, 2018

Dividends [Abstract]

Dividends

Dividends

The following table sets forth the quarterly dividends declared by our Board of Directors for the periods covered in this report:

Declaration Date	Dividend per Common  Share		Aggregate Dividend Amount		Record Date	Payment Date
May 1, 2018	$	0.28	$	21,908	May 31, 2018	June 15, 2018
February 9, 2018	$	0.28	$	22,085	February 28, 2018	March 15, 2018
October 31, 2017	$	0.28	$	22,039	November 30, 2017	December 15, 2017
August 4, 2017	$	0.26	$	20,464	August 31, 2017	September 15, 2017
May 2, 2017	$	0.26	$	20,482	May 31, 2017	June 15, 2017

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Earnings Per Share

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Earnings Per Share

Earnings (Loss) Per Share

We include all common shares granted under our incentive compensation plan which remain unvested (“restricted common shares”) and contain non-forfeitable rights to dividends or dividend equivalents, whether paid or unpaid (“participating securities”), in the number of shares outstanding in our basic earnings per share calculations using the two-class method. All of our restricted common shares are currently participating securities. Our PSUs are contingently issuable shares which are included in our diluted earnings per share calculations which do not include voting or dividend rights.

Under the two-class method, earnings per common share is computed by dividing the sum of distributed earnings allocated to common shareholders and undistributed earnings allocated to common shareholders by the weighted-average number of common shares outstanding for the period. In applying the two-class method, distributed and undistributed earnings are allocated to both common shares and restricted common shares based on the total weighted-average shares outstanding during the period. As the holders of the participating restricted common shares are not contractually required to share in the Company’s losses, in applying the two-class method to compute the basic and diluted net loss per common share no allocation to restricted common shares was made for the three months endedJune 30, 2017.

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Weighted-average shares:
Common shares outstanding	77,910,513		78,176,705		78,137,290		78,176,705
Restricted common shares	498,433		634,217		464,983		569,370
Total weighted-average shares	78,408,946		78,810,922		78,602,273		78,746,075
Percentage of weighted-average shares:
Common shares outstanding	99.36	%	99.20	%	99.41	%	99.28	%
Restricted common shares	0.64	%	0.80	%	0.59	%	0.72	%
Total percentage of weighted-average shares	100.00	%	100.00	%	100.00	%	100.00	%

The calculations of both basic and diluted earnings per share are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Earnings (loss) per share – Basic:
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Less: Distributed and undistributed earnings allocated to restricted common shares(1)	(319		)	—			(637		)	(255		)
Earnings (loss) available to common shareholders – Basic	$	49,884		$	(7,116	)	$	107,113		$	35,068
Weighted-average common shares outstanding – Basic	77,910,513			78,176,705			78,137,290			78,176,705
Earnings (loss) per common share – Basic	$	0.64		$	(0.09	)	$	1.37		$	0.45
Earnings (loss) per share – Diluted:
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Less: Distributed and undistributed earnings allocated to restricted common shares(1)	(319		)	—			(637		)	(255		)
Earnings (loss) available to common shareholders – Diluted	$	49,884		$	(7,116	)	$	107,113		$	35,068
Weighted-average common shares outstanding – Basic	77,910,513			78,176,705			78,137,290			78,176,705
Effect of dilutive shares(2)	337,716			—			282,868			227,350
Weighted-average common shares outstanding – Diluted	78,248,229			78,176,705			78,420,158			78,404,055
Earnings (loss) per common share – Diluted	$	0.64		$	(0.09	)	$	1.37		$	0.45

(1) For the three months endedJune 30, 2018, distributed and undistributed earnings to restricted shares was 0.64% of net income. For the three months endedJune 30, 2017, the effect of any diluted shares on distributed and undistributed earnings to restricted shares would have been anti-dilutive and was excluded from the calculation. For the six months endedJune 30, 2018 and 2017, distributed and undistributed earnings to restricted shares were 0.59% and 0.72%, respectively, of net income. The amount of restricted share forfeitures for all periods presented is immaterial to the allocation of distributed and undistributed earnings.

(2) For the three months endedJune 30, 2018 and for the six months endedJune 30, 2018 and 2017, dilutive shares represented contingently issuable shares. For the three months endedJune 30, 2017, the effect of 170,116 contingently issuable shares related to the Company’s PSUs would have been anti-dilutive and were excluded from the calculation.

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Income Taxes

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

Income taxes have been provided based on the tax laws and rates in countries in which our operations are conducted and income is earned. The Company received an assurance from the Bermuda Minister of Finance that it would be exempted from local income, withholding and capital gains taxes until March 2035. Consequently, the provision for income taxes relates to income earned by certain subsidiaries of the Company which are located in, or earn income in, jurisdictions that impose income taxes, primarily Ireland and the United States.

The sources of income (loss) from continuing operations before income taxes and earnings of our unconsolidated equity method investments for the three and six months endedJune 30, 2018 and 2017 were as follows: 

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
U.S. operations	$	788	$	902		$	1,471	$	1,498
Non-U.S. operations	50,666		(9,789		)	104,904		31,658
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	$	51,454	$	(8,887	)	$	106,375	$	33,156

Our aircraft-owning subsidiaries that are recognized as corporations for U.S. tax purposes are primarily non-U.S. corporations. These subsidiaries generally earn income from sources outside the United States and typically are not subject to U.S. federal, state or local income taxes. The aircraft owning subsidiaries resident in Ireland, Mauritius and the U.S. are subject to tax in those respective jurisdictions.

We have a U.S. based subsidiary which provides management services to our subsidiaries and is subject to U.S. federal, state and local income taxes. We also have Ireland and Singapore based subsidiaries which provide management services to our non-U.S. subsidiaries and are subject to tax in those respective jurisdictions.

The consolidated income tax expense for the three and six months endedJune 30, 2018 and 2017 was determined based on estimates of the Company’s consolidated effective income tax rates for the years ending December 31, 2018 and 2017, respectively.

The Company’s effective tax rate (“ETR”) for the three and six months endedJune 30, 2018 was 6.1% and 2.2%, respectively, compared to (5.6)% and 7.1%, respectively, for the three and six months endedJune 30, 2017. The first quarter 2018 included a $2,779 tax benefit related to the Singapore rate reduction from 10% to 8%, which was treated as a discrete item. Excluding this tax benefit, the ETR would have been 4.8% for the six months endedJune 30, 2018. The pre-tax earnings (loss) for the three and six months endedJune 30, 2017 included impairment charges of approximately $79,930 and $80,430, respectively, in a non-taxable jurisdiction. Movements in the ETR are generally caused by changes in the proportion of the Company’s pre-tax earnings in taxable and non-tax jurisdictions.

Differences between statutory income tax rates and our effective income tax rates applied to pre-tax income (loss) from continuing operations consisted of the following:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Notional U.S. federal income tax expense at the statutory rate	$	10,806		$	(3,110	)	$	22,339		$	11,605
U.S. state and local income tax, net	55			48			103			89
Non-U.S. operations:
Bermuda	(6,112		)	10,456			(14,395		)	1,628
Ireland	(811		)	(796		)	(1,128		)	(254		)
Singapore	—			(4,662		)	(2,824		)	(7,589		)
Other low tax jurisdictions	(835		)	(1,487		)	(1,643		)	(2,927		)
Non-deductible expenses in the U.S.	29			55			(164		)	(194		)
Other	—			(9		)	—			(17		)
Income tax provision	$	3,132		$	495		$	2,288		$	2,341

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Interest, Net

6 Months Ended

Jun. 30, 2018

Interest Income (Expense), Net [Abstract]

Interest Net

Interest, Net

The following table shows the components of interest, net:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Interest on borrowings and other liabilities(1)	$	53,979		$	56,859		$	107,957		$	115,698
Amortization of deferred losses related to interest rate derivatives	294			575			595			1,156
Amortization of deferred financing fees and debt discount(2)	3,510			4,970			7,042			9,125
Interest expense	57,783			62,404			115,594			125,979
Less: Interest income	(287		)	(614		)	(990		)	(1,028		)
Less: Capitalized interest	(98		)	(118		)	(98		)	(211		)
Interest, net	$	57,398		$	61,672		$	114,506		$	124,740

(1) Includes $988 in loan termination fees related to the prepayment of debt on three aircraft during the three and six months endedJune 30, 2017.

(2) Includes $986 in deferred financing fees written off related to the prepayment of debt on three aircraft during the three and six months endedJune 30, 2017.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

At June 30, 2018, we had commitments to acquire 48 aircraft for $1,876,908, including 25 Embraer E-Jet E2 aircraft.

Commitments, including $125,866 of remaining progress payments, contractual price escalations and other adjustments for these aircraft, at June 30, 2018, net of amounts already paid, are as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	830,882
2019	382,620
2020	390,416
2021	272,990
2022	—
Thereafter	—
Total	$	1,876,908

As of August 3, 2018, we had commitments to acquire 46 aircraft for $1,838,708.

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Other Assets

6 Months Ended

Jun. 30, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other Assets

Other Assets

The following table describes the principal components of other assets on our Consolidated Balance Sheets as of:

	June 30, 2018		December 31, 2017
Deferred income tax asset	$	491	$	497
Lease incentives and lease premiums, net of amortization of $40,460 and $41,246, respectively	84,032		74,515
Flight equipment held for sale	2,238		707
Aircraft purchase deposits and progress payments	29,569		23,704
Fair value of interest rate cap	7,329		3,254
Note receivable(1)	6,678		10,000
Other assets	43,970		28,533
Total other assets	$	174,307	$	141,210

______________

(1) Related to the sale of aircraft during the year ended December 31, 2017.

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Accounts Payable, Accrued Expenses and Other Liabilities

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Accounts Payable, Accrued Expenses and Other Liabilities

Accounts Payable, Accrued Expenses and Other Liabilities

The following table describes the principal components of accounts payable, accrued expenses and other liabilities recorded on our Consolidated Balance Sheets as of:

	June 30, 2018		December 31, 2017
Accounts payable and accrued expenses	$	42,886	$	50,948
Deferred income tax liability	39,597		36,547
Accrued interest payable	37,927		38,129
Lease discounts, net of amortization of $40,106 and $36,111, respectively	10,954		14,597
Total accounts payable, accrued expenses and other liabilities	$	131,364	$	140,221

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Organization and Basis of Presentation

Aircastle is a holding company that conducts its business through subsidiaries. Aircastle directly or indirectly owns all of the outstanding common shares of its subsidiaries. The consolidated financial statements presented are prepared in accordance with U.S. generally accepted accounting principles (“U.S. GAAP”). The Company manages, analyzes and reports on its business and results of operations on the basis of one operating segment: leasing, financing, selling and managing commercial flight equipment. Our Chief Executive Officer is the chief operating decision maker.

The accompanying consolidated financial statements are unaudited and have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission (the “SEC”) for interim financial reporting and, in our opinion, reflect all adjustments, including normal recurring items, which are necessary to present fairly the results for interim periods. Operating results for the periods presented are not necessarily indicative of the results that may be expected for the entire year. Certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been omitted in accordance with the rules and regulations of the SEC; however, we believe that the disclosures are adequate to make information presented not misleading. These financial statements should be read in conjunction with the consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2017.

Principles of Consolidation

Principles of Consolidation

The consolidated financial statements include the accounts of Aircastle and all of its subsidiaries. Aircastle consolidates four Variable Interest Entities (“VIEs”) of which Aircastle is the primary beneficiary. All intercompany transactions and balances have been eliminated in consolidation.

We consolidate VIEs in which we have determined that we are the primary beneficiary. We use judgment when deciding: (a) whether an entity is subject to consolidation as a VIE; (b) who the variable interest holders are; (c) the potential expected losses and residual returns of the variable interest holders; and (d) which variable interest holder is the primary beneficiary. When determining which enterprise is the primary beneficiary, we consider: (1) the entity’s purpose and design; (2) which variable interest holder has the power to direct the activities that most significantly impact the entity’s economic performance; and (3) the obligation to absorb losses of the entity or the right to receive benefits from the entity that could potentially be significant to the VIE. When certain events occur, we reconsider whether we are the primary beneficiary of VIEs. We do not reconsider whether we are a primary beneficiary solely because of operating losses incurred by an entity.

Use of Estimates

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. While Aircastle believes that the estimates and related assumptions used in the preparation of the consolidated financial statements are appropriate, actual results could differ from those estimates.

New Accounting Pronouncements, Policy [Policy Text Block]

Recent Accounting Pronouncements

On February 25, 2016, the FASB issued ASC 842, Leases (“ASC 842”) which, together with all subsequent amendments, replaced the existing guidance in ASC 840, Leases (“ASC 840”). The accounting for leases by lessors basically remained unchanged from the concepts that existed in ASC 840 accounting. The FASB decided that lessors would be precluded from recognizing selling profit and revenue at lease commencement for any sales-type or direct finance lease that does not transfer control of the underlying asset to the lessee. This requirement aligns the notion of what constitutes a sale in the lessor accounting guidance with that in the forthcoming revenue recognition standard, which evaluates whether a sale has occurred from the customer’s perspective. The standard will be effective for reporting periods beginning after December 15, 2018. We plan to adopt the standard on its required effective date of January 1, 2019, using the “modified retrospective” approach and are reviewing which, if any, practical expedients to use. We are also evaluating the impact that ASC 842 will have on our consolidated financial statements and related disclosures. We do not believe that the adoption of the standard will significantly impact our existing or potential lessees' economic decisions to lease aircraft.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments - Credit Losses (Topic 326), Measurement of Credit Losses on Financial Instruments. The standard affects entities holding financial assets and net investment in leases that are not accounted for at fair value through net income. The amendments affect loans, debt securities, trade receivables, net investments in leases, off-balance-sheet credit exposures, reinsurance receivables, and any other financial assets not excluded from the scope that have the contractual right to receive cash. The standard is applied on a modified retrospective approach. The standard is effective for annual periods beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted as early as the fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. We are in the process of determining the impact the standard will have on our consolidated financial statements and related disclosures.

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Disclosures [Abstract]

Fair value assets and liabilities measured on recurring basis

The following tables set forth our financial assets as of June 30, 2018 and December 31, 2017 that we measured at fair value on a recurring basis by level within the fair value hierarchy. Assets measured at fair value are classified in their entirety based on the lowest level of input that is significant to their fair value measurement. 

			Fair Value Measurements at June 30, 2018 Using Fair Value Hierarchy
	Fair Value as of June 30, 2018		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique
Assets:
Cash and cash equivalents	$	142,360	$	142,360	$	—	$	—	Market
Restricted cash and cash equivalents	20,880		20,880		—		—		Market
Derivative assets	7,329		—		7,329		—		Market
Total	$	170,569	$	163,240	$	7,329	$	—

			Fair Value Measurements at December 31, 2017 Using Fair Value Hierarchy
	Fair Value as of December 31, 2017		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Valuation Technique
Assets:
Cash and cash equivalents	$	211,922	$	211,922	$	—	$	—	Market
Restricted cash and cash equivalents	21,935		21,935		—		—		Market
Derivative assets	3,254		—		3,254		—		Market
Total	$	237,111	$	233,857	$	3,254	$	—

Carrying amounts and fair values of financial instruments

The carrying amounts and fair values of our financial instruments at June 30, 2018 and December 31, 2017 were as follows:

	June 30, 2018				December 31, 2017
	Carrying  Amount of Liability		Fair Value of Liability		Carrying Amount of Liability		Fair Value of Liability
Credit Facilities	$	100,000	$	100,000	$	175,000	$	175,000
Unsecured Term Loan	120,000		120,000		120,000		120,000
ECA Financings	208,448		208,823		227,491		232,030
Bank Financings	600,883		602,468		634,898		634,132
Senior Notes	3,200,000		3,246,700		3,200,000		3,367,245

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Lease Rental Revenues and Flight Equipment Held for Lease (Tables)

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Annual future minimum lease rentals receivable

Minimum future annual lease rentals contracted to be received under our existing operating leases of flight equipment at June 30, 2018 were as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	373,563
2019	679,349
2020	576,304
2021	459,712
2022	367,244
Thereafter	725,712
Total	$	3,181,884

Geographic concentration of lease rental revenue earnings

Geographic concentration of lease rental revenue earned from flight equipment held for lease was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
Region	2018		2017		2018		2017
Asia and Pacific	35	%	37	%	35	%	39	%
Europe	29	%	24	%	29	%	23	%
Middle East and Africa	11	%	12	%	11	%	12	%
North America	8	%	8	%	8	%	7	%
South America	17	%	19	%	17	%	19	%
Total	100	%	100	%	100	%	100	%

Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]

The following table shows the number of lessees with lease rental revenue of at least 5% and their combined total percentage of lease rental revenue for the years indicated:

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue
Largest lessees by lease rental revenue	3	19%	3	19%	3	19%	3	19%

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Geographic concentration of net book value of flight equipment held for lease

Geographic concentration of net book value of flight equipment (including flight equipment held for lease and net investment in finance and sales-type leases, or “net book value”) was as follows:

	June 30, 2018			December 31, 2017
Region	Number of Aircraft	Net Book Value %		Number of Aircraft		Net Book Value %
Asia and Pacific	62	30	%	59		30	%
Europe	87	30	%	92		32	%
Middle East and Africa	17	9	%	15		9	%
North America	36	12	%	32		10	%
South America	26	19	%	25		19	%
Off-lease	—	—	%	1	(1)	—	%
Total	228	100	%	224		100	%

_______________

(1)

Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]

At June 30, 2018 and December 31, 2017, no country represented at least 10% of net book value of flight equipment based on each lessee’s principal place of business.

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Net Investment in Finance Leases (Tables)

6 Months Ended

Jun. 30, 2018

Leases [Abstract]

Schedule Of Components Of Investment In Finance Leases

The following table lists the components of our net investment in finance and sales-type leases at June 30, 2018:

	Amount
Total lease payments to be received	$	298,808
Less: Unearned income	(148,283		)
Estimated residual values of leased flight equipment (unguaranteed)	376,213
Net investment in finance and sales-type leases	$	526,738

Schedule of Future Minimum Lease Payments for Capital Leases

At June 30, 2018, minimum future lease payments on finance and sales-type leases are as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	35,080
2019	66,285
2020	63,840
2021	53,057
2022	42,460
Thereafter	38,086
Total lease payments to be received	$	298,808

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Unconsolidated Equity Method Investment (Tables)

6 Months Ended

Jun. 30, 2018

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

At June 30, 2018, the net book value of both joint ventures’ twelve aircraft was approximately $628,000.

	Amount
Investment in joint ventures at December 31, 2017	$	76,982
Investment in joint ventures	355
Earnings from joint ventures, net of tax	3,663
Distributions	(900		)
Investment in joint ventures at June 30, 2018	$	80,100

The Company has recorded in its Consolidated Balance Sheet a $13,200 guarantee liability in Maintenance payments and a $5,100 guarantee liability in Security deposits representing its share of the respective exposures.

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Secured and Unsecured Debt Financings (Tables)

6 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Outstanding amounts of secured and unsecured term debt financings

The outstanding amounts of our secured and unsecured term debt financings are as follows:

	At June 30, 2018						At December 31, 2017
Debt Obligation	Outstanding Borrowings			Number of Aircraft	Interest Rate	Final Stated Maturity	Outstanding Borrowings
Secured Debt Financings:
ECA Financings(1)	$	208,448		6	3.02% to 3.96%	12/03/21 to 11/30/24	$	227,491
Bank Financings(2)	600,883			23	2.22% to 4.49%	09/11/18 to 01/19/26	634,898
Less: Debt Issuance Costs	(10,809		)	—			(12,515		)
Total secured debt financings, net of debt issuance costs	798,522			29			849,874
Unsecured Debt Financings:
Senior Notes due 2018	400,000				4.625%	12/15/18	400,000
Senior Notes due 2019	500,000				6.25%	12/01/19	500,000
Senior Notes due 2020	300,000				7.625%	04/15/20	300,000
Senior Notes due 2021	500,000				5.125%	03/15/21	500,000
Senior Notes due 2022	500,000				5.50%	02/15/22	500,000
Senior Notes due 2023	500,000				5.00%	04/01/23	500,000
Senior Notes due 2024	500,000				4.125%	05/01/24	500,000
Unsecured Term Loan	120,000				4.335%	04/28/19	120,000
Revolving Credit Facilities	100,000				4.19%	11/21/19 to 06/27/22	175,000
Less: Debt Issuance Costs	(27,831		)				(31,268		)
Total unsecured debt financings, net of debt issuance costs	3,392,169						3,463,732
Total secured and unsecured debt financings, net of debt issuance costs	$	4,190,691					$	4,313,606

(1) The borrowings under these financings at June 30, 2018 have a weighted-average rate of interest of 3.58%.

(2) The borrowings under these financings at June 30, 2018 have a weighted-average fixed rate of interest of 4.24%.

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Dividends (Tables)

6 Months Ended

Jun. 30, 2018

Dividends [Abstract]

Quarterly dividends declared by board of directors

The following table sets forth the quarterly dividends declared by our Board of Directors for the periods covered in this report:

Declaration Date	Dividend per Common  Share		Aggregate Dividend Amount		Record Date	Payment Date
May 1, 2018	$	0.28	$	21,908	May 31, 2018	June 15, 2018
February 9, 2018	$	0.28	$	22,085	February 28, 2018	March 15, 2018
October 31, 2017	$	0.28	$	22,039	November 30, 2017	December 15, 2017
August 4, 2017	$	0.26	$	20,464	August 31, 2017	September 15, 2017
May 2, 2017	$	0.26	$	20,482	May 31, 2017	June 15, 2017

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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Allocation of distributed and undistributed earnings to both common shares and restricted common shares

Under the two-class method, earnings per common share is computed by dividing the sum of distributed earnings allocated to common shareholders and undistributed earnings allocated to common shareholders by the weighted-average number of common shares outstanding for the period. In applying the two-class method, distributed and undistributed earnings are allocated to both common shares and restricted common shares based on the total weighted-average shares outstanding during the period. As the holders of the participating restricted common shares are not contractually required to share in the Company’s losses, in applying the two-class method to compute the basic and diluted net loss per common share no allocation to restricted common shares was made for the three months endedJune 30, 2017.

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Weighted-average shares:
Common shares outstanding	77,910,513		78,176,705		78,137,290		78,176,705
Restricted common shares	498,433		634,217		464,983		569,370
Total weighted-average shares	78,408,946		78,810,922		78,602,273		78,746,075
Percentage of weighted-average shares:
Common shares outstanding	99.36	%	99.20	%	99.41	%	99.28	%
Restricted common shares	0.64	%	0.80	%	0.59	%	0.72	%
Total percentage of weighted-average shares	100.00	%	100.00	%	100.00	%	100.00	%

Basic and Diluted earnings per share

The calculations of both basic and diluted earnings per share are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Earnings (loss) per share – Basic:
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Less: Distributed and undistributed earnings allocated to restricted common shares(1)	(319		)	—			(637		)	(255		)
Earnings (loss) available to common shareholders – Basic	$	49,884		$	(7,116	)	$	107,113		$	35,068
Weighted-average common shares outstanding – Basic	77,910,513			78,176,705			78,137,290			78,176,705
Earnings (loss) per common share – Basic	$	0.64		$	(0.09	)	$	1.37		$	0.45
Earnings (loss) per share – Diluted:
Net income (loss)	$	50,203		$	(7,116	)	$	107,750		$	35,323
Less: Distributed and undistributed earnings allocated to restricted common shares(1)	(319		)	—			(637		)	(255		)
Earnings (loss) available to common shareholders – Diluted	$	49,884		$	(7,116	)	$	107,113		$	35,068
Weighted-average common shares outstanding – Basic	77,910,513			78,176,705			78,137,290			78,176,705
Effect of dilutive shares(2)	337,716			—			282,868			227,350
Weighted-average common shares outstanding – Diluted	78,248,229			78,176,705			78,420,158			78,404,055
Earnings (loss) per common share – Diluted	$	0.64		$	(0.09	)	$	1.37		$	0.45

(1) For the three months endedJune 30, 2018, distributed and undistributed earnings to restricted shares was 0.64% of net income. For the three months endedJune 30, 2017, the effect of any diluted shares on distributed and undistributed earnings to restricted shares would have been anti-dilutive and was excluded from the calculation. For the six months endedJune 30, 2018 and 2017, distributed and undistributed earnings to restricted shares were 0.59% and 0.72%, respectively, of net income. The amount of restricted share forfeitures for all periods presented is immaterial to the allocation of distributed and undistributed earnings.

(2) For the three months endedJune 30, 2018 and for the six months endedJune 30, 2018 and 2017, dilutive shares represented contingently issuable shares. For the three months endedJune 30, 2017, the effect of 170,116 contingently issuable shares related to the Company’s PSUs would have been anti-dilutive and were excluded from the calculation.

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Income Taxes (Tables)

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Sources of income from continuing operations before income taxes

The sources of income (loss) from continuing operations before income taxes and earnings of our unconsolidated equity method investments for the three and six months endedJune 30, 2018 and 2017 were as follows: 

	Three Months Ended June 30,					Six Months Ended June 30,
	2018		2017			2018		2017
U.S. operations	$	788	$	902		$	1,471	$	1,498
Non-U.S. operations	50,666		(9,789		)	104,904		31,658
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	$	51,454	$	(8,887	)	$	106,375	$	33,156

Analysis of effective income tax rate for continuing operations

Differences between statutory income tax rates and our effective income tax rates applied to pre-tax income (loss) from continuing operations consisted of the following:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Notional U.S. federal income tax expense at the statutory rate	$	10,806		$	(3,110	)	$	22,339		$	11,605
U.S. state and local income tax, net	55			48			103			89
Non-U.S. operations:
Bermuda	(6,112		)	10,456			(14,395		)	1,628
Ireland	(811		)	(796		)	(1,128		)	(254		)
Singapore	—			(4,662		)	(2,824		)	(7,589		)
Other low tax jurisdictions	(835		)	(1,487		)	(1,643		)	(2,927		)
Non-deductible expenses in the U.S.	29			55			(164		)	(194		)
Other	—			(9		)	—			(17		)
Income tax provision	$	3,132		$	495		$	2,288		$	2,341

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Interest, Net (Tables)

6 Months Ended

Jun. 30, 2018

Interest Income (Expense), Net [Abstract]

Components of Interest

The following table shows the components of interest, net:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Interest on borrowings and other liabilities(1)	$	53,979		$	56,859		$	107,957		$	115,698
Amortization of deferred losses related to interest rate derivatives	294			575			595			1,156
Amortization of deferred financing fees and debt discount(2)	3,510			4,970			7,042			9,125
Interest expense	57,783			62,404			115,594			125,979
Less: Interest income	(287		)	(614		)	(990		)	(1,028		)
Less: Capitalized interest	(98		)	(118		)	(98		)	(211		)
Interest, net	$	57,398		$	61,672		$	114,506		$	124,740

(1) Includes $988 in loan termination fees related to the prepayment of debt on three aircraft during the three and six months endedJune 30, 2017.

(2) Includes $986 in deferred financing fees written off related to the prepayment of debt on three aircraft during the three and six months endedJune 30, 2017.

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Commitments and Contingencies Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Long-term Purchase Commitment [Table Text Block]

Commitments, including $125,866 of remaining progress payments, contractual price escalations and other adjustments for these aircraft, at June 30, 2018, net of amounts already paid, are as follows:

Year Ending December 31,	Amount
Remainder of 2018	$	830,882
2019	382,620
2020	390,416
2021	272,990
2022	—
Thereafter	—
Total	$	1,876,908

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Other Assets (Tables)

6 Months Ended

Jun. 30, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Principal components of other assets

The following table describes the principal components of other assets on our Consolidated Balance Sheets as of:

	June 30, 2018		December 31, 2017
Deferred income tax asset	$	491	$	497
Lease incentives and lease premiums, net of amortization of $40,460 and $41,246, respectively	84,032		74,515
Flight equipment held for sale	2,238		707
Aircraft purchase deposits and progress payments	29,569		23,704
Fair value of interest rate cap	7,329		3,254
Note receivable(1)	6,678		10,000
Other assets	43,970		28,533
Total other assets	$	174,307	$	141,210

______________

(1) Related to the sale of aircraft during the year ended December 31, 2017.

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Accounts Payable, Accrued Expenses and Other Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Principal components of accounts payable, accrued expenses and other liabilities recorded on our consolidated balance sheet

The following table describes the principal components of accounts payable, accrued expenses and other liabilities recorded on our Consolidated Balance Sheets as of:

	June 30, 2018		December 31, 2017
Accounts payable and accrued expenses	$	42,886	$	50,948
Deferred income tax liability	39,597		36,547
Accrued interest payable	37,927		38,129
Lease discounts, net of amortization of $40,106 and $36,111, respectively	10,954		14,597
Total accounts payable, accrued expenses and other liabilities	$	131,364	$	140,221

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Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Entity segment	Jun. 30, 2017 USD ($)
Variable Interest Entity [Line Items]
Revenues, As Previously Reported		$ 223,534		$ 427,807
Number of Operating Segments | segment			1
Gain (Loss) on Disposition of Property Plant Equipment	$ 19,864	13,525	$ 25,632	14,284
Revenues	$ 204,276	$ 237,059	$ 406,956	$ 442,091
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Number of Consolidated Variable Interest Entities | Entity			4

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Fair Value Measurements (Details) - Recurring - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Cash and cash equivalents	$ 142,360	$ 211,922
Restricted cash and cash equivalents	20,880	21,935
Derivative Asset	0	0
Total	163,240	233,857
Significant Other Observable Inputs (Level 2)
Assets:
Cash and cash equivalents	0	0
Restricted cash and cash equivalents	0	0
Derivative Asset	7,329	3,254
Total	7,329	3,254
Significant Unobservable Inputs (Level 3)
Assets:
Cash and cash equivalents	0	0
Restricted cash and cash equivalents	0	0
Derivative Asset	0	0
Total	0	0
Estimate of Fair Value Measurement [Member]
Assets:
Cash and cash equivalents	142,360	211,922
Restricted cash and cash equivalents	20,880	21,935
Derivative Asset	7,329	3,254
Total	$ 170,569	$ 237,111

XML

Fair Value Measurements (Details 2) - Unsecured Debt - Reported Value Measurement - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Fair Value, Inputs, Level 2 [Member] | Revolving Credit Facility [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt Instrument, Fair Value Disclosure	$ 100,000	$ 175,000
Fair Value, Inputs, Level 1 [Member] | DBJ Term Loan
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Debt Instrument, Fair Value Disclosure	$ 120,000	$ 120,000

XML

Fair Value Measurements (Details 3) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Secured Debt | Significant Other Observable Inputs (Level 2) | Estimate of Fair Value Measurement [Member] | ECA Term Financings {Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	$ 208,823	$ 232,030
Secured Debt | Significant Other Observable Inputs (Level 2) | Estimate of Fair Value Measurement [Member] | Bank Financings
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	602,468	634,132
Secured Debt | Significant Other Observable Inputs (Level 2) | Reported Value Measurement | ECA Term Financings {Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	208,448	227,491
Secured Debt | Significant Other Observable Inputs (Level 2) | Reported Value Measurement | Bank Financings
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	600,883	634,898
Unsecured Debt | Significant Other Observable Inputs (Level 2) | Estimate of Fair Value Measurement [Member] | Revolving Credit Facility [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	100,000	175,000
Unsecured Debt | Significant Other Observable Inputs (Level 2) | Reported Value Measurement | Revolving Credit Facility [Member]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	100,000	175,000
Unsecured Debt | Quoted Prices in Active Markets for Identical Assets (Level 1) | Estimate of Fair Value Measurement [Member] | DBJ Term Loan
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	120,000	120,000
Unsecured Debt | Quoted Prices in Active Markets for Identical Assets (Level 1) | Estimate of Fair Value Measurement [Member] | Senior Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	3,246,700	3,367,245
Unsecured Debt | Quoted Prices in Active Markets for Identical Assets (Level 1) | Reported Value Measurement | DBJ Term Loan
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	120,000	120,000
Unsecured Debt | Quoted Prices in Active Markets for Identical Assets (Level 1) | Reported Value Measurement | Senior Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt Instrument, Fair Value Disclosure	$ 3,200,000	$ 3,200,000

XML

Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	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 [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net			$ 0
Asset Impairment Charges	$ 0	$ 79,930	0	$ 80,430
Maintenance Revenue	$ 0	$ 28,944	$ 11,991	$ 41,231

XML

Lease Rental Revenues and Flight Equipment Held for Lease (Details) $ in Thousands	Jun. 30, 2018 USD ($)
Leases [Abstract]
Operating Leases, Future Minimum Payments Receivable, Remainder of Fiscal Year	$ 373,563
Annual future minimum lease rentals receivable
Receivable in Year Two	679,349
Receivable in Year Three	576,304
Receivable in Year Four	459,712
Receivable in Year Five	367,244
Thereafter	725,712
Total	$ 3,181,884

XML

Lease Rental Revenues and Flight Equipment Held for Lease (Details 1) - Lease Rental Revenue - Geographic Concentration Risk	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	100.00%	100.00%	100.00%	100.00%
Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	29.00%	24.00%	29.00%	23.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	35.00%	37.00%	35.00%	39.00%
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	8.00%	8.00%	8.00%	7.00%
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	17.00%	19.00%	17.00%	19.00%
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	11.00%	12.00%	11.00%	12.00%

XML

Lease Rental Revenues and Flight Equipment Held for Lease (Details 2) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Lessee	Jun. 30, 2017 USD ($) Lessee	Jun. 30, 2018 USD ($) Lessee	Jun. 30, 2017 USD ($) Lessee
Revenue attributable to individual countries
Revenue | $	$ 178,486	$ 189,098	$ 355,969	$ 379,684
Major Customer Group One [Member]
Revenue from External Customer [Line Items]
Concentration Risk, Number of Customers in Major Customer Group | Lessee	3	3	3	3
Major Customer Group One [Member] | Geographic Concentration Risk | Total Revenue [Member]
Revenue attributable to individual countries
Percentage of geographic concentration	19.00%	19.00%	19.00%	19.00%

XML

Lease Rental Revenues and Flight Equipment Held for Lease (Details 3) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018 USD ($) Aircraft	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Aircraft	Jun. 30, 2017 USD ($)	Dec. 31, 2017 Aircraft
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue | $	$ 178,486	$ 189,098	$ 355,969	$ 379,684
Number of Aircraft	228		228		224
Number of Offlease Aircraft Marketed for Lease or Sale					1
Number of Offlease Aircraft Marketed for Lease	0		0
Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	87		87		92
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	62		62		59
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	36		36		32
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	26		26		25
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	17		17		15
Geographic Concentration Risk | Net Book Value
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			100.00%		100.00%
Geographic Concentration Risk | Net Book Value | Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			30.00%		32.00%
Geographic Concentration Risk | Net Book Value | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			30.00%		30.00%
Geographic Concentration Risk | Net Book Value | Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			12.00%		10.00%
Geographic Concentration Risk | Net Book Value | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			19.00%		19.00%
Geographic Concentration Risk | Net Book Value | Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			9.00%		9.00%
Geographic Concentration Risk | Net Book Value | Off Lease
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			0.00%		0.00%

XML

Lease Rental Revenues and Flight Equipment Held for Lease (Details 4) - Aircraft	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Offlease Aircraft Marketed for Lease	0
Geographic Concentration Risk | Net Book Value
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	100.00%	100.00%
A321-200 [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Offlease Aircraft Marketed for Lease		1

XML

Lease Rental Revenues and Flight Equipment Held for Lease (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Lessee	Jun. 30, 2017 Lessee	Jun. 30, 2018 USD ($) Lessee	Jun. 30, 2017 Lessee	Dec. 31, 2017 USD ($)
Customer Group One
Revenue, Major Customer [Line Items]
Entity-Wide Revenue, Major Customer, Number | Lessee	3	3	3	3
Lease Rental Revenue | Customer Concentration Risk | Customer Group One
Revenue, Major Customer [Line Items]
Percentage of geographic concentration	19.00%	19.00%	19.00%	19.00%
Maintenance Payments {Member]
Revenue, Major Customer [Line Items]
Amounts of lease incentive liabilities recorded in the consolidated balance sheets | $	$ 15,709		$ 15,709		$ 11,496

XML

Net Investment in Finance Leases Narrative (Details)	Jun. 30, 2018 Aircraft
Capital Leased Assets [Line Items]
Capital Leased Assets, Number of Units	30

XML

Net Investment in Finance Leases Net Investment in Finance Leases (Details) $ in Thousands	Jun. 30, 2018 USD ($) Aircraft	Dec. 31, 2017 USD ($)
Capital Leased Assets, Number of Units | Aircraft	30
Capital Leases, Net Investment in Direct Financing Leases [Abstract]
Total lease payments to be received	$ 298,808
Less: Unearned income	(148,283)
Estimated residual values of leased flight equipment (unguaranteed)	376,213
Net investment in finance and sales-type leases	526,738	$ 545,750
Receivable in Remainder of Fiscal Year	35,080
Receivable in Year Two	66,285
Receivable in Year Three	63,840
Receivable in Year Four	53,057
Receivable in Year Five	42,460
Thereafter	38,086
Total	$ 298,808

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Unconsolidated Equity Method Investment (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) Aircraft	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) Aircraft	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Unconsolidated equity method investments	$ 80,100		$ 80,100		$ 76,982
Equity Method Investments Before Earnings			355
Earnings of unconsolidated equity method investments, net of tax	$ 1,881	$ 2,266	3,663	$ 4,508
Distributions from unconsolidated equity method investment in excess of earnings			$ (900)
Total number of aircraft owned by joint ventures | Aircraft	12		12
Property Subject to or Available for Operating Lease, Net	$ 6,249,406		$ 6,249,406		6,188,469
Customer Advances and Deposits	719,806		719,806		$ 649,434
Equity Method Investee
Property Subject to or Available for Operating Lease, Net	628,000		628,000
Maintenance Payments {Member] | Equity Method Investee
Customer Advances and Deposits	13,200		13,200
security deposit [Member] | Equity Method Investee
Customer Advances and Deposits	$ 5,100		$ 5,100

XML

Variable Interest Entities (Details) - Variable Interest Entity, Primary Beneficiary $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) Aircraft Term_Loan Entity
Variable Interest Entity [Line Items]
Number of Consolidated Variable Interest Entities | Entity	4
Number of Aircrafts | Aircraft	6
Air Knight VIEs | ECA Term Financings {Member]
Variable Interest Entity [Line Items]
Type of term loans | Term_Loan	6
Debt instrument, term	12 years
Net book value of flight equipment held for lease	$ 403,835
Consolidated debt outstanding	$ 203,882

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Secured and Unsecured Debt Financings (Details) $ in Thousands	Jun. 30, 2018 USD ($) Aircraft	Jun. 27, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Outstanding amounts of secured and unsecured term debt financings
Borrowings from secured financings	$ 798,522			$ 849,874
Number of Aircraft Financed | Aircraft	29
Borrowings from unsecured financings, net of debt issuance costs	$ 3,392,169			3,463,732
Total secured and unsecured debt financings	4,190,691			4,313,606
Line of Credit | Revolving Credit Facility [Member]
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs				175,000
2013 Revolving Credit Facility | Line of Credit | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity		$ 800,000	$ 675,000
Outstanding amounts of secured and unsecured term debt financings
Line of Credit Facility, Fair Value of Amount Outstanding	$ 100,000
Revolving Credit Facility [Member] | Line of Credit
Outstanding amounts of secured and unsecured term debt financings
Interest rate	4.1851%
ECA Term Financings {Member] | Secured Debt
Outstanding amounts of secured and unsecured term debt financings
Number of Aircraft Financed | Aircraft	6
ECA Term Financings {Member] | Notes Payable, Other Payables
Outstanding amounts of secured and unsecured term debt financings
Borrowings from secured financings	$ 208,448			227,491
Bank Financings | Secured Debt
Outstanding amounts of secured and unsecured term debt financings
Number of Aircraft Financed | Aircraft	23
Bank Financings | Notes Payable to Banks
Outstanding amounts of secured and unsecured term debt financings
Borrowings from secured financings	$ 600,883			634,898
Secured Debt
Outstanding amounts of secured and unsecured term debt financings
Debt Issuance Cost	(10,809)			(12,515)
Senior Notes Due 2018 with 4.625 Interest Rate | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 400,000			400,000
Interest rate	4.625%
Senior Notes Due 2019 | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Interest rate	6.25%
Senior Notes Due 2020 | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 300,000			300,000
Interest rate	7.625%
Senior Notes due 2021 | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Interest rate	5.125%
Senior Notes Due 2022 [Member] | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Interest rate	5.50%
Senior Notes Due 2023 [Member] | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Interest rate	5.00%
Senior Notes Due 2024 [Member] | Senior Notes
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Interest rate	4.125%
Floating Rate Term Loan [Member] | Floating Rate Term Loan [Member]
Outstanding amounts of secured and unsecured term debt financings
Borrowings from unsecured financings, net of debt issuance costs	$ 120,000			120,000
Interest rate	4.3347%
Unsecured Debt
Outstanding amounts of secured and unsecured term debt financings
Debt Issuance Cost	$ (27,831)			$ (31,268)
Minimum [Member] | ECA Term Financings {Member] | Notes Payable, Other Payables
Outstanding amounts of secured and unsecured term debt financings
Interest rate	3.02%
Minimum [Member] | Bank Financings | Notes Payable to Banks
Outstanding amounts of secured and unsecured term debt financings
Interest rate	2.22%
Maximum | ECA Term Financings {Member] | Notes Payable, Other Payables
Outstanding amounts of secured and unsecured term debt financings
Interest rate	3.96%
Maximum | Bank Financings | Notes Payable to Banks
Outstanding amounts of secured and unsecured term debt financings
Interest rate	4.49%

XML

Secured and Unsecured Debt Financings (Details 1) $ in Thousands	3 Months Ended
	Jun. 30, 2018 USD ($) Bankfinancings	Jun. 27, 2018	Jun. 26, 2018	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Borrowings from unsecured financings, net of debt issuance costs	$ 3,392,169			$ 3,463,732
Notes Payable, Other Payables | ECA Term Financings {Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	3.5832%
Notes Payable, Other Payables | Bank Financings
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	4.2434%
Senior Notes | Senior Notes Due 2024 [Member]
Debt Instrument [Line Items]
Interest rate	4.125%
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Senior Notes | Senior Notes Due 2020
Debt Instrument [Line Items]
Interest rate	7.625%
Borrowings from unsecured financings, net of debt issuance costs	$ 300,000			300,000
Senior Notes | Senior Notes due 2021
Debt Instrument [Line Items]
Interest rate	5.125%
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Senior Notes | Senior Notes Due 2022 [Member]
Debt Instrument [Line Items]
Interest rate	5.50%
Borrowings from unsecured financings, net of debt issuance costs	$ 500,000			500,000
Line of Credit | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Borrowings from unsecured financings, net of debt issuance costs				$ 175,000
Line of Credit | 2013 Revolving Credit Facility | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Fair Value of Amount Outstanding	$ 100,000
Revolving Credit Facility | Bankfinancings	1
Line of Credit | 2013 Revolving Credit Facility | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate		1.50%	2.25%
Line of Credit | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate	4.1851%
Maximum | Notes Payable, Other Payables | ECA Term Financings {Member]
Debt Instrument [Line Items]
Interest rate	3.96%
Maximum | Notes Payable to Banks | Bank Financings
Debt Instrument [Line Items]
Interest rate	4.49%

XML

Shareholders' Equity and Share Based Payment Shareholders' Equity and Share Based Payment (Details Textual) (Details) - 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 [Line Items]
Non-cash share-based payment expense	$ 3,076	$ 6,028	$ 5,454	$ 8,130
Stock Repurchase Program, Remaining Authorized Repurchase Amount	83,396		$ 83,396
Total Performance-Based Shares Granted [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted			306,359
AROEPerformanceBasedShares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted			291,876
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash share-based payment expense			$ 2,641
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	9,276		$ 9,276
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition			1 year 11 months 13 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-cash share-based payment expense			$ 2,813
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized	$ 7,249		$ 7,249
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased During Period, Shares			638,636
Stock Repurchased During Period, Value			$ 12,492

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Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands						3 Months Ended		6 Months Ended
	May 01, 2018	Feb. 09, 2018	Oct. 31, 2017	Aug. 04, 2017	May 02, 2017	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Dividends [Abstract]
Dividend per Common Share	$ 0.28	$ 0.28	$ 0.28	$ 0.26	$ 0.26	$ 0.28	$ 0.26	$ 0.56	$ 0.52
Aggregate Dividend Amount	$ 21,908	$ 22,085	$ 22,039	$ 20,464	$ 20,482

XML

Earnings Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Weighted-average shares:
Common shares outstanding	77,910,513	78,176,705	78,137,290	78,176,705
Restricted common shares	498,433	634,217	464,983	569,370
Total Weighted Average Shares	78,408,946	78,810,922	78,602,273	78,746,075
Percentage of weighted-average shares:
Common shares outstanding	99.36%	99.20%	99.41%	99.28%
Restricted common shares	0.64%	0.80%	0.59%	0.72%
Total	100.00%	100.00%	100.00%	100.00%

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Earnings Per Share (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic	$ 319	$ 0	$ 637	$ 255
Participating Securities, Distributed and Undistributed Earnings of Net Income, Percent	0.64%	0.80%	0.59%	0.72%
Earnings (loss) per share – Basic:
Net income (loss)	$ 50,203	$ (7,116)	$ 107,750	$ 35,323
Earnings (loss) available to common shareholders – Basic	$ 49,884	$ (7,116)	$ 107,113	$ 35,068
Weighted-average common shares outstanding – Basic	77,910,513	78,176,705	78,137,290	78,176,705
Earnings (loss) per common share – Basic	$ 0.64	$ (0.09)	$ 1.37	$ 0.45
Earnings (loss) per share – Diluted:
Net income (loss)	$ 50,203	$ (7,116)	$ 107,750	$ 35,323
Earnings (loss) available to common shareholders – Diluted	$ 49,884	$ (7,116)	$ 107,113	$ 35,068
Weighted-average common shares outstanding – Basic	77,910,513	78,176,705	78,137,290	78,176,705
Effect of dilutive shares(2)	337,716	0	282,868	227,350
Weighted-average common shares outstanding – Diluted	78,248,229	78,176,705	78,420,158	78,404,055
Earnings (loss) per common share – Diluted	$ 0.64	$ (0.09)	$ 1.37	$ 0.45
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		170,116

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Asset Impairment Charges	$ 0	$ 79,930	$ 0	$ 80,430
Effective Income Tax Rate, Continuing Operations	6.10%	(5.60%)	2.20%	7.10%
Sources of income from continuing operations before income taxes
U.S. operations	$ 788	$ 902	$ 1,471	$ 1,498
Non-U.S. operations	50,666	(9,789)	104,904	31,658
Income (loss) from continuing operations before income taxes and earnings of unconsolidated equity method investments	$ 51,454	$ (8,887)	$ 106,375	$ 33,156

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Income Taxes (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Analysis of effective income tax rate for continuing operations
Notional U.S. federal income tax expense at the statutory rate	$ 10,806	$ (3,110)	$ 22,339	$ 11,605
U.S. state and local income tax, net	55	48	103	89
Non-deductible expenses in the U.S.	29	55	(164)	(194)
Other	0	(9)	0	(17)
Income tax provision	3,132	495	2,288	2,341
Bermuda
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:			(14,395)	1,628
Ireland
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:			(1,128)	(254)
Other
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:			(1,643)	(2,927)
Singapore | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:	0	(4,662)	$ (2,824)	$ (7,589)
Other | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:	(835)	(1,487)
Ireland | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:	(811)	(796)
Bermuda | Foreign Tax Authority
Analysis of effective income tax rate for continuing operations
Non-U.S. operations:	$ (6,112)	$ 10,456

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Income Taxes Income Taxes (Textual) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2017	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent				4.80%
Effective Income Tax Rate, Continuing Operations	6.10%		(5.60%)	2.20%		7.10%
Singapore
Deferred Income Tax Expense (Benefit)		$ 2,779
Singapore Tax Holiday Income Tax Rate					8.00%	10.00%

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Interest, Net (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($) Aircraft	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Interest Income (Expense), Net [Abstract]
Loss on Contract Termination		$ 988
Number of Aircraft with Loan Termination Fees | Aircraft		3
Write off of Deferred Debt Issuance Cost		$ 986
Number of Aircraft with Deferred Financing Costs Written Off | Aircraft		3
Interest on borrowings and other liabilities(1)	$ 53,979	$ 56,859	$ 107,957	$ 115,698
Cash flow hedges reclassified into earnings	294	575	595	1,156
Amortization of deferred financing costs	3,510	4,970	7,042	9,125
Interest expense	57,783	62,404	115,594	125,979
Less: Interest income	(287)	(614)	(990)	(1,028)
Interest Costs Capitalized	(98)	(118)	(98)	(211)
Interest, net	$ 57,398	$ 61,672	$ 114,506	$ 124,740

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Commitments and Contingencies (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) Aircraft	Aug. 03, 2018 USD ($) Aircraft
Types of Commercial Aircraft [Line Items]
Long-term Purchase Commitment, Minimum Quantity Required | Aircraft	25
Purchase Obligation, Future Minimum Payments, Remainder of Fiscal Year	$ 830,882
Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required | Aircraft	48
Purchase Obligation, Due in Second Year	$ 382,620
Purchase Obligation, Due in Third Year	390,416
Purchase Obligation, Due in Fourth Year	272,990
Purchase Obligation, Due in Fifth Year	0
Purchase Obligation, Due after Fifth Year	0
Purchase Obligation	1,876,908
Subsequent Event [Member]
Types of Commercial Aircraft [Line Items]
Unrecorded Unconditional Purchase Obligation, Minimum Quantity Required | Aircraft		46
Unrecorded Unconditional Purchase Obligation		$ 1,838,708
Pre-Delivery Payments [Member]
Types of Commercial Aircraft [Line Items]
Purchase Obligation	$ 125,866

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Other Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Principal components of other assets
Deferred income tax asset	$ 491	$ 497
Lease incentives and lease premiums, net of amortization of $40,460 and $41,246, respectively	84,032	74,515
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment	2,238	707
Deposit Assets	29,569	23,704
Interest Rate Derivative Assets, at Fair Value	7,329	3,254
Notes, Loans and Financing Receivable, Net, Noncurrent	6,678	10,000
Other assets	43,970	28,533
Total other assets	174,307	141,210
Amortization of lease incentives and lease premiums	$ 40,460	$ 41,246

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Accounts Payable, Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Accounts payable and accrued expenses	$ 42,886	$ 50,948
Deferred income tax liability	39,597	36,547
Accrued interest payable	37,927	38,129
Lease discounts, net of amortization of $40,106 and $36,111, respectively	10,954	14,597
Total accounts payable, accrued expenses and other liabilities	131,364	140,221
Deferred Revenue, Leases, Accumulated Amortization	$ 40,106	$ 36,111