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Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Operating Revenues:
Overnight air cargo	$ 12,339,606	$ 10,324,353	$ 23,166,505	$ 19,244,527
Ground equipment sales	11,174,548	7,018,073	15,345,026	10,943,813
Ground support services	1,946,764	2,828,858	3,510,884	5,006,219
[Revenues]	25,460,918	20,171,284	42,022,415	35,194,559
Operating Expenses:
Flight-air cargo	4,838,168	4,647,358	9,422,514	8,616,703
Maintenance-air cargo	5,733,099	4,172,143	10,248,117	7,611,377
Ground equipment sales	9,953,745	5,763,781	13,459,595	8,962,568
Ground support services	1,299,996	2,195,044	2,416,064	3,700,950
General and administrative	2,654,301	2,485,715	5,189,608	4,888,641
Depreciation and amortization	62,795	90,868	116,711	187,583
[OperatingCostsAndExpenses]	24,542,104	19,354,909	40,852,609	33,967,822
Operating Income	918,814	816,375	1,169,806	1,226,737
Non-operating Income (Expense):
Investment income	10,351	38,871	22,735	96,348
Interest expense and Other	(1,442)	(1,067)	(1,669)	(1,355)
[NonoperatingIncomeExpense]	8,909	37,804	21,066	94,993
Income Before Income Taxes	927,723	854,179	1,190,872	1,321,730
Income Taxes	335,000	308,000	430,000	477,000
Net Income	$ 592,723	$ 546,179	$ 760,872	$ 844,730
Earnings Per Share:
Basic (in Dollars per share)	$ 0.24	$ 0.23	$ 0.31	$ 0.35
Diluted (in Dollars per share)	$ 0.24	$ 0.22	$ 0.31	$ 0.34
Dividends Declared Per Share (in Dollars per share)			$ 0.25	$ 0.33
Weighted Average Shares Outstanding:
Basic (in Shares)	2,446,286	2,431,291	2,441,286	2,431,309
Diluted (in Shares)	2,446,286	2,451,937	2,449,583	2,475,445

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