INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER

12 Months Ended

Apr. 30, 2016

INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER [Abstract]

INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER

10.INDUSTRY SEGMENTATION AND SALES BY MAJOR CUSTOMER:

Industry Segmentation

Current Activities - The Company focuses on two primary activities, Professional Services and Aerospace Products.

Aerospace Products:

Aircraft Modifications principally includes the modification of customer and company owned business-size aircraft from passenger to freighter configuration, radar systems, addition of aerial photography capabilities, and stability enhancing modifications for Learjet, Beechcraft, Cessna, and Dassault Falcon aircraft along with other specialized modifications. We provide these services through our subsidiary, Avcon Industries, Inc. ("Aircraft Modifications" or "Avcon").

Avionics principally includes the manufacture, sale, and service of airborne electronic switching units used in DC-9, DC-10, DC-9/80, MD-80, MD-90, and the KC-10 aircraft, Transient Suppression Devices (TSDs) for fuel tank protection on Boeing Classic 737 and 747 aircraft, and other Classic aircraft using a capacitance fuel quantity indicating system ("FQIS"), airborne electronics upgrades for classic weapon control systems used on military aircraft and vehicles, and consulting services with airlines and equipment manufacturers regarding fuel system safety requirements. We provide the products through our subsidiary, Butler National Corporation - Tempe, Arizona and the services through Butler National Corporation - Olathe, Kansas ("Avionics", "Classic Aviation Products", "Safety Products", or "Switching Units").

Butler Avionics sells, installs and repairs avionics equipment (airplane radio equipment and flight control systems). These systems are flight display systems which include intuitive touchscreen controls with large display to give users unprecedented access to high-resolution terrain mapping, graphical flight planning, geo-referenced charting, traffic display, satellite weather and much more. Butler Avionics is also recognized nationwide for its troubleshooting and repair work particularly on autopilot systems.

Professional Services:

BCS Design, Inc. provides licensed architectural services. These services include commercial and industrial building design.

Butler National Service Corporation ("BNSC") provides management services to the Boot Hill Casino, a "state-owned casino" and to The Stables, an "Indian-owned casino".

Year ended April 30, 2016	Professional Services		Aerospace Products		Consolidated
Total revenues	$	29,784	$	15,010	$	44,794
Depreciation and amortization		1,390		784		2,174
Operating income (loss)		1,597		(975)		622
Capital expenditures, net		242		1,574		1,816
Interest expense		-		-		(471)
Other income (expense)		-		-		21
Income before taxes		-		-		908
Income tax expense		-		-		93
Net income attributable to Butler National Corporation		-		-		24
Identifiable assets, net		22,462		20,235		42,697

Year ended April 30, 2015	Professional Services		Aerospace Products		Consolidated
Total revenues	$	30,795	$	16,267	$	47,062
Depreciation and amortization		1,573		1,312		2,885
Operating income (loss)		1,794		(475)		1,319
Capital expenditures, net		420		3,262		3,682
Interest expense		-		-		(1,141)
Other income (expense)		-		-		16
Income before taxes		-		-		967
Income tax expense		-		-		138
Net income attributable to Butler National Corporation		-		-		27
Identifiable assets, net		21,650		19,948		41,598

Major Customers: Revenue from major customers (10 percent or more of consolidated revenue) were as follows:

	2016		2015
Aerospace Products		N/A *		N/A *
Professional Services		N/A *		N/A *

*Revenue represented less than 10% of consolidated revenue.

In fiscal 2016 the Company derived 14.5% of total sales from five customers. The top customer provided 6.0% of total sales while the next top four customers ranged from 1.9% to 2.7%.