EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Nine Month Periods Ended July 31, 2009 and August 1, 2008

(Unaudited)

(In thousands, except per share
amounts)



|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|----------------------------------------------------------------------------- |  | ------------------ | ------- | ----------------- | - | ------------ |  | ------------- | --------- |  | - | ---------
|                                                                              |  | Three Months Ended |         | Nine Months Ended
|                                                                              |  | July 31,2009       |         | August 1,2008     |   | July 31,2009 |  | August 1,2008
|                                                                              |  |                    |         |                  
|Net Sales                                                                     |  | $                  | 361,486 |                   | $ | 363,484      |  | $             | 1,030,705 |  | $ | 1,078,822
|Gross Margin                                                                  |  |                    | 117,147 |                   |   | 113,358      |  |               | 331,897   |  |   | 349,958  
|                                                                              |  |                    |         |                  
|Net Earnings From Continuing Operations                                       |  | $                  | 32,478  |                   | $ | 18,400       |  | $             | 69,303    |  | $ | 72,072   
|Net Earnings From Discontinued Operations                                     |  |                    | 163     |                   |   | 2,082        |  |               | 15,994    |  |   | 4,579    
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|Net Earnings                                                                  |  | $                  | 32,641  |                   | $ | 20,482       |  | $             | 85,297    |  | $ | 76,651   
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Basic                                                                         |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,736  |                   |   | 29,575       |  |               | 29,701    |  |   | 29,466   
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Earnings Per Share  Basic:                                                   |  |                    |         |                   |   |              |  |               |           |  |   |          
|Continuing Operations                                                         |  | $                  | 1.09    |                   | $ | .62          |  | $             | 2.33      |  | $ | 2.45     
|Discontinued Operations                                                       |  |                    | .01     |                   |   | .07          |  |               | .54       |  |   | .15      
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|Earnings Per Share  Basic                                                    |  | $                  | 1.10    |                   | $ | .69          |  | $             | 2.87      |  | $ | 2.60     
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Diluted                                                                       |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,736  |                   |   | 29,575       |  |               | 29,701    |  |   | 29,466   
|Net Shares Assumed to be Issued for Stock Options                             |  |                    | 134     |                   |   | 419          |  |               | 154       |  |   | 428      
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Weighted Average Number of Shares and Equivalent Shares Outstanding  Diluted |  |                    | 29,870  |                   |   | 29,994       |  |               | 29,855    |  |   | 29,894   
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|                                                                              |  |                    |         |                  
|Earnings Per Share  Diluted:                                                 |  |                    |         |                   |   |              |  |               |           |  |   |          
|Continuing Operations                                                         |  | $                  | 1.09    |                   | $ | .61          |  | $             | 2.32      |  | $ | 2.41     
|Discontinued Operations                                                       |  |                    | .00     |                   |   | .07          |  |               | .54       |  |   | .15      
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |          
|Earnings Per Share  Diluted                                                  |  | $                  | 1.09    |                   | $ | .68          |  | $             | 2.86      |  | $ | 2.56     
|                                                                              |  |                    |         |                   |   |              |  |               |           |  |   |