<ARTICLE> 5 <CIK> 0000842184 <NAME> AIRFUND I <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> JUN-30-1999 <CASH> 3,361,620 <SECURITIES> 0 <RECEIVABLES> 104,184 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 0 <PP&E> 20,118,311 <DEPRECIATION> (6,879,416) <TOTAL-ASSETS> 16,704,699 <CURRENT-LIABILITIES> 521,267 <BONDS> 4,854,394 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 0 <OTHER-SE> 11,329,038 <TOTAL-LIABILITY-AND-EQUITY> 16,704,699 <SALES> 0 <TOTAL-REVENUES> 1,747,485 <CGS> 0 <TOTAL-COSTS> 1,257,916 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 236,152 <INCOME-PRETAX> 253,417 <INCOME-TAX> 0 <INCOME-CONTINUING> 253,417 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 253,417 <EPS-BASIC> 0 <EPS-DILUTED> 0