EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Nine Month Periods Ended August 1, 2008 and July 27, 2007

(Unaudited)

(In thousands, except per share
amounts)



|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|----------------------------------------------------------------------------- |  | ------------------ | ------- | ----------------- | - | ------------- |  | ------------ | --------- |  | - | -------
|                                                                              |  | Three Months Ended |         | Nine Months Ended
|                                                                              |  | August 1,2008      |         | July 27,2007      |   | August 1,2008 |  | July 27,2007
|                                                                              |  |                    |         |                  
|Net Sales                                                                     |  | $                  | 382,070 |                   | $ | 326,376       |  | $            | 1,128,454 |  | $ | 895,900
|Gross Margin                                                                  |  |                    | 119,402 |                   |   | 99,642        |  |              | 366,033   |  |   | 273,073
|                                                                              |  |                    |         |                  
|Net Earnings                                                                  |  | $                  | 20,482  |                   | $ | 38,835        |  | $            | 76,651    |  | $ | 71,396 
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|                                                                              |  |                    |         |                  
|Basic                                                                         |  |                    |         |                   |   |               |  |              |           |  |   |        
|                                                                              |  |                    |         |                  
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,575  |                   |   | 25,691        |  |              | 29,466    |  |   | 25,604 
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|Earnings Per Share  Basic                                                    |  | $                  | .69     |                   | $ | 1.51          |  | $            | 2.60      |  | $ | 2.79   
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|                                                                              |  |                    |         |                  
|Diluted                                                                       |  |                    |         |                   |   |               |  |              |           |  |   |        
|                                                                              |  |                    |         |                  
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,575  |                   |   | 25,691        |  |              | 29,466    |  |   | 25,604 
|Net Shares Assumed to be Issued for Stock Options                             |  |                    | 419     |                   |   | 448           |  |              | 428       |  |   | 418    
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|Weighted Average Number of Shares and Equivalent Shares Outstanding  Diluted |  |                    | 29,994  |                   |   | 26,139        |  |              | 29,894    |  |   | 26,022 
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |        
|                                                                              |  |                    |         |                  
|Earnings Per Share  Diluted                                                  |  | $                  | .68     |                   | $ | 1.49          |  | $            | 2.56      |  | $ | 2.74   
|                                                                              |  |                    |         |                   |   |               |  |              |           |  |   |