EX-12.1 4 dex121.htm STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES Statement of Computation of Ratio of Earnings to Fixed Charges

Exhibit 12.1

TRANSDIGM GROUP INCORPORATED

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(Amounts in Thousands)

 

     Fiscal Year Ended September 30,
     2009    2008    2007    2006    2005

Earnings:

               

Total earnings

    $ 162,902    $ 133,126    $ 88,645    $ 25,117    $ 34,687

Income tax provision

      88,100      73,476      53,426      16,318      22,627
                                  

Pre Tax Earnings

      251,002      206,602      142,071      41,435      57,314
                                  

Fixed charges:

               

Interest charges

      84,398      92,677      91,767      76,732      80,266

Interest factor of operating rents

      1,100      1,052      931      698      635
                                  

Total fixed charges

      85,498      93,729      92,698      77,430      80,901
                                  

Earnings as adjusted

    $ 336,500    $ 300,331    $ 234,769    $ 118,865    $ 138,215
                                  

Ratio of earnings to fixed charges (1)

      3.9      3.2      2.5      1.5      1.7
                                  

 

(1) For purposes of computing the ratio of earnings to fixed charges, earnings consist of earnings before income taxes plus fixed charges. Fixed charges consist of interest expense, amortization of debt issuance costs and the portion (approximately 33%) of rental expense that management believes is representative of the interest component of rental expense.