EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Six Month Periods Ended April 27, 2012 and April 29, 2011

(Unaudited)

(In thousands, except per share amounts)

	Three Months Ended					Six Months Ended
	April 27,     2012		April 29,     2011			April 27,     2012		April 29,     2011
Net Sales	$	504,831	$	435,277		$	975,713	$	806,076
Gross Margin		184,523		160,947			342,604		293,069
Net Earnings from Continuing Operations
Attributable to Esterline	$	45,191	$	45,951		$	67,979	$	75,934
Net Earnings (Loss) from Discontinued
Operations Attributable to Esterline		0		(37	)		0		(29	)
Net Earnings Attributable to Esterline	$	45,191	$	45,914		$	67,979	$	75,905
Basic
Weighted Average Number of
Shares Outstanding		30,669		30,496			30,650		30,422
Earnings Per Share Attributable to Esterline – Basic:
Continuing Operations	$	1.47	$	1.51		$	2.22	$	2.50
Discontinued Operations		.00		.00			.00		.00
Earnings Per Share Attributable
to Esterline – Basic	$	1.47	$	1.51		$	2.22	$	2.50
Diluted
Weighted Average Number of
Shares Outstanding		30,669		30,496			30,650		30,422
Net Shares Assumed to be Issued
for Stock Options		650		664			588		664
Weighted Average Number of Shares
and Equivalent Shares
Outstanding – Diluted		31,319		31,160			31,238		31,086
Earnings Per Share Attributable to Esterline – Diluted:
Continuing Operations	$	1.44	$	1.47		$	2.18	$	2.44
Discontinued Operations		.00		.00			.00		.00
Earnings Per Share Attributable
to Esterline – Diluted	$	1.44	$	1.47		$	2.18	$	2.44