EXHIBIT 11              

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Nine Month Periods Ended July 30, 2010 and July 31, 2009

(Unaudited)

(In thousands, except per share amounts)

	Three Months Ended				Nine Months Ended
	July 30, 2010		July 31, 2009		July 30, 2010		July 31, 2009
Net Sales	$	383,486	$	361,486	$	1,110,466	$	1,030,705
Gross Margin		131,708		117,147		365,435		331,897
Net Earnings From Continuing Operations   Attributable to Esterline	$	39,858	$	32,478	$	82,231	$	69,303
Net Earnings From Discontinued   Operations Attributable to Esterline		0		163		0		15,994
Net Earnings Attributable to Esterline	$	39,858	$	32,641	$	82,231	$	85,297
Basic
Weighted Average Number of   Shares Outstanding		30,043		29,736		29,913		29,701
Earnings Per Share Attributable to Esterline – Basic:
Continuing Operations	$	1.33	$	1.09	$	2.75	$	2.33
Discontinued Operations		.00		.01		.00		.54
Earnings Per Share Attributable to Esterline – Basic	$	1.33	$	1.10	$	2.75	$	2.87
Diluted
Weighted Average Number of   Shares Outstanding		30,043		29,736		29,913		29,701
Net Shares Assumed to be Issued   for Stock Options		515		134		481		154
Weighted Average Number of Shares   and Equivalent Shares   Outstanding – Diluted		30,558		29,870		30,394		29,855
Earnings Per Share Attributable to Esterline – Diluted:
Continuing Operations	$	1.30	$	1.09	$	2.71	$	2.32
Discontinued Operations		.00		.00		.00		.54
Earnings Per Share Attributable to Esterline – Diluted	$	1.30	$	1.09	$	2.71	$	2.86