Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Statements of Cash Flows (Unaudited) [Abstract]
Net cash provided by operating activities	$ 5,577,500	$ 5,032,200
Investing activities:
Proceeds from sale of aircraft and aircraft engines held for lease, net of re-sale fees	1,400,000	9,316,400
Proceeds from sale of assets held for sale, net of re-sale fees	1,816,300	225,800
Purchases of aircraft and aircraft engines	(1,333,700)	(32,234,000)
Net cash provided by/(used in) investing activities	1,882,600	(22,691,800)
Financing activities:
Borrowings under Credit Facility	0	32,100,000
Repayments of Credit Facility	(6,000,000)	(8,200,000)
Debt issuance costs	(59,600)	(2,443,500)
Net cash (used in)/provided by financing activities	(6,059,600)	21,456,500
Net increase in cash and cash equivalents	1,400,500	3,796,900
Cash and cash equivalents, beginning of period	1,840,500	2,112,700
Cash and cash equivalents, end of period	$ 3,241,000	$ 5,909,600