EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Nine Month Periods Ended July 29, 2011 and July 30, 2010

(Unaudited)

(In thousands, except per share amounts)

	Three Months Ended					Nine Months Ended
	July 29,     2011			July 30,     2010		July 29,     2011			July 30,     2010
Net Sales	$	409,512		$	378,349	$	1,215,588		$	1,096,151
Gross Margin		143,539			128,955		436,608			358,262
Net Earnings from Continuing Operations Attributable to Esterline	$	37,741		$	39,253	$	113,675		$	80,748
Net Earnings from Discontinued Operations Attributable to Esterline		(46	)		605		(75	)		1,483
Net Earnings Attributable to Esterline	$	37,695		$	39,858	$	113,600		$	82,231
Basic
Weighted Average Number of Shares Outstanding		30,579			30,043		30,475			29,913
Earnings Per Share Attributable to Esterline – Basic:
Continuing Operations	$	1.23		$	1.31	$	3.73		$	2.70
Discontinued Operations		.00			.02		.00			.05
Earnings Per Share Attributable to Esterline – Basic	$	1.23		$	1.33	$	3.73		$	2.75
Diluted
Weighted Average Number of Shares Outstanding		30,579			30,043		30,475			29,913
Net Shares Assumed to be Issued for Stock Options		681			515		669			481
Weighted Average Number of Shares and Equivalent Shares Outstanding – Diluted		31,260			30,558		31,144			30,394
Earnings Per Share Attributable to Esterline – Diluted:
Continuing Operations	$	1.21		$	1.28	$	3.65		$	2.66
Discontinued Operations		.00			.02		.00			.05
Earnings Per Share Attributable to Esterline – Diluted	$	1.21		$	1.30	$	3.65		$	2.71