Exhibit 11.1

ESTERLINE TECHNOLOGIES CORPORATION

(In thousands, except per share amounts)

		$133,040		$133,040		$133,040		$133,040		$133,040
	2011		2010		2009		2008		2007
Computation of Earnings Per Share – Basic
Income From Continuing Operations
Attributable to Esterline,
Net of Tax	$	133,087	$	130,039	$	105,568	$	111,258	$	85,914
Income (Loss) From Discontinued
Operations Attributable to
Esterline, Net of Tax		(47)		11,881		14,230		9,275		6,370
Net Earnings Attributable to
Esterline	$	133,040	$	141,920	$	119,798	$	120,533	$	92,284
Weighted Average Number of Shares Outstanding – Basic		30,509		29,973		29,717		29,507		25,824
Earnings Per Share Attributable to
Esterline – Basic:
Continuing operations	$	4.36	$	4.34	$	3.55	$	3.77	$	3.33
Discontinued operations		.00		.39		.48		.31		.24
Earnings Per Share Attributable to
Esterline – Basic	$	4.36	$	4.73	$	4.03	$	4.08	$	3.57
Computation of Earnings Per Share – Diluted
Income From Continuing Operations
Attributable to Esterline,
Net of Tax	$	133,087	$	130,039	$	105,568	$	111,258	$	85,914
Income (Loss) From Discontinued
Operations Attributable to
Esterline, Net of Tax		(47)		11,881		14,230		9,275		6,370
Net Earnings Attributable to
Esterline	$	133,040	$	141,920	$	119,798	$	120,533	$	92,284
Weighted Average Number of Shares Outstanding		30,509		29,973		29,717		29,507		25,824
Net Shares Assumed to be
Issued for Stock Options		645		504		234		401		428
Weighted Average Number of Shares and Equivalent
Shares Outstanding – Diluted		31,154		30,477		29,951		29,908		26,252
Earnings Per Share Attributable to
Esterline – Diluted:
Continuing operations	$	4.27	$	4.27	$	3.52	$	3.72	$	3.27
Discontinued operations		.00		.39		.48		.31		.25
Earnings Per Share Attributable to
Esterline – Diluted	$	4.27	$	4.66	$	4.00	$	4.03	$	3.52