Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Operating activities:
Net income/(loss)	$ 6,437,600	$ (11,294,000)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Net gain on disposal of assets	(6,790,700)	(3,147,200)
Net gain on sales-type finance leases	(5,179,200)	0
Depreciation	9,062,100	7,299,000
Provision for impairment in value of aircraft	1,282,300	18,736,500
Non-cash interest	1,394,000	950,100
Deferred income taxes	3,582,900	(5,952,600)
Changes in operating assets and liabilities:
Accounts receivable	(2,363,100)	(498,000)
Finance leases receivable	(44,700)	1,895,200
Income taxes receivable	(25,000)	0
Prepaid expenses and other	168,500	486,700
Accounts payable and accrued expenses	(359,500)	(132,400)
Accrued interest on notes payable	(155,000)	163,300
Maintenance reserves and accrued costs	3,977,100	(1,313,700)
Security deposits	(745,700)	(2,167,700)
Unearned revenue	315,200	210,200
Net cash provided by operating activities	10,556,800	5,235,400
Investing activities:
Proceeds from sale of aircraft and aircraft engines held for lease, net of re-sale fees	11,100,600	15,854,800
Proceeds from sale of assets held for sale, net of re-sale fees	3,616,400	312,100
Purchases of aircraft and aircraft engines	(1,333,700)	(74,529,000)
Net cash provided by/(used in) investing activities	13,383,300	(58,362,100)
Financing activities:
Borrowings under Credit Facility	0	71,100,000
Repayments of Credit Facility	(23,000,000)	(15,200,000)
Debt issuance costs	(59,600)	(3,045,500)
Net cash (used in)/provided by financing activities	(23,059,600)	52,854,500
Net increase/(decrease) in cash and cash equivalents	880,500	(272,200)
Cash and cash equivalents, beginning of year	1,840,500	2,112,700
Cash and cash equivalents, end of year	$ 2,721,000	$ 1,840,500