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Exhibit 12.1

TRIUMPH GROUP, INC.

Computation of Ratio of Earnings to Fixed Charges
(in thousands)

		Six Months Ended September 30, 2009		Fiscal year ended March 31,
				2009		2008		2007		2006		2005
EARNINGS AS DEFINED
Income from continuing operations, before income taxes		$	64,210	$	135,865	$	106,383	$	74,004	$	50,867	$	25,664
Fixed charges			14,499		26,334		27,646		22,111		16,703		17,119
	TOTAL EARNINGS, AS DEFINED	$	78,709	$	162,199	$	134,029	$	96,115	$	67,570	$	42,783
FIXED CHARGES, AS DEFINED
Interest expense		$	8,171	$	13,388	$	14,351	$	12,572	$	11,753	$	11,970
Interest portion of rental expenses			2,494		5,054		5,154		4,603		4,202		4,372
Amortization of capitalized expenses related to debt			840		1,685		2,289		2,287		748		777
Accretion of debt discount			2,994		6,207		5,852		2,649		—		—
	TOTAL FIXED CHARGES, AS DEFINED	$	14,499	$	26,334	$	27,646	$	22,111	$	16,703	$	17,119
	RATIO OF EARNINGS TO FIXED CHARGES		5.4		6.2		4.8		4.3		4.0		2.5

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Exhibit 12.1

TRIUMPH GROUP, INC. Computation of Ratio of Earnings to Fixed Charges (in thousands)