<ARTICLE> 5 <CIK> 0001077670 <NAME> TRANSDIGM INC. <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> SEP-30-2000 <PERIOD-START> OCT-01-1999 <PERIOD-END> SEP-30-2000 <CASH> 4,309 <SECURITIES> 0 <RECEIVABLES> 27,167 <ALLOWANCES> 371 <INVENTORY> 32,889 <CURRENT-ASSETS> 71,982 <PP&E> 51,078 <DEPRECIATION> 26,049 <TOTAL-ASSETS> 168,833 <CURRENT-LIABILITIES> 32,085 <BONDS> 250,648 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 102,156 <OTHER-SE> (220,115) <TOTAL-LIABILITY-AND-EQUITY> 168,833 <SALES> 150,457 <TOTAL-REVENUES> 150,457 <CGS> 82,193 <TOTAL-COSTS> 82,193 <OTHER-EXPENSES> 20,950 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 28,563 <INCOME-PRETAX> 18,751 <INCOME-TAX> 7,972 <INCOME-CONTINUING> 10,779 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 10,779 <EPS-BASIC> 0 <EPS-DILUTED> 0