CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $)	3 Months Ended		9 Months Ended
	Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2012	Jan. 31, 2011
REVENUE
Aircraft / Modifications	$ 2,764,999	$ 4,005,617	$ 9,672,768	$ 10,008,617
Avionics / Defense	1,421,066	1,753,861	3,063,506	3,681,954
Management / Professional Services	1,414,836	1,066,552	3,596,244	3,266,818
Gaming facility	8,133,557	6,033,399	23,689,000	16,464,836
Net Revenue	13,734,458	12,859,429	40,021,518	33,422,225
COST OF SALES
Aircraft / Modifications	2,224,046	2,238,485	6,300,684	6,514,478
Avionics / Defense	861,664	1,238,418	2,298,527	2,323,763
Management / Professional Services	491,908	365,440	1,091,237	1,018,684
Gaming facility	2,063,747	1,917,273	6,090,316	5,067,641
Total Cost of Sales	5,641,365	5,759,616	15,780,764	14,924,566
GROSS PROFIT	8,093,093	7,099,813	24,240,754	18,497,659
OPERATING EXPENSES MARKETING, GENERAL & ADMINISTRATIVE	6,524,919	5,586,233	20,619,706	16,267,459
OPERATING INCOME (LOSS)	1,568,174	1,513,580	3,621,048	2,230,200
OTHER INCOME (EXPENSE)
Interest expense	(179,106)	(84,779)	(360,195)	(266,789)
Other	363	878	3,161	(35,625)
Other income (expense)	(178,743)	(83,901)	(357,034)	(302,414)
INCOME (LOSS) BEFORE PROVISION FOR INCOME TAXES	1,389,431	1,429,679	3,264,014	1,927,786
PROVISION FOR (BENEFIT) FROM INCOME TAXES	278,242	564,000	666,497	702,070
NET INCOME (LOSS) BEFORE NON-CONTROLLING INTEREST IN BHCMC, LLC	1,111,189	865,679	2,597,517	1,225,716
NET INCOME (LOSS) NON-CONTROLLING INTEREST IN BHCMC, LLC	(542,925)	1,359	(1,462,856)	1,819
NET INCOME (LOSS) BUTLER NATIONAL CORPORATION	$ 568,264	$ 867,038	$ 1,134,661	$ 1,227,535
BASIC EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.01	$ 0.01	$ 0.02	$ 0.02
Shares used in per share calculation (in shares)	56,594,262	56,156,448	56,594,262	56,091,865
DILUTED EARNINGS PER COMMON SHARE (in dollars per share)	$ 0.01	$ 0.01	$ 0.02	$ 0.02
Shares used in per share calculation (in shares)	56,594,262	56,266,608	56,594,262	56,196,183