EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted
Earnings Per Common Share

For the Three Month Periods Ended January 29, 2010 and January 30, 2009

(Unaudited)

(In thousands, except per share amounts)



|                                                                              |  |                    |         |                 |   |        
|----------------------------------------------------------------------------- |  | ------------------ | ------- | --------------- | - | -------
|                                                                              |  | Three Months Ended
|                                                                              |  | January 29,2010    |         | January 30,2009
|                                                                              |  |                   
|Net Sales                                                                     |  | $                  | 339,360 |                 | $ | 309,717
|Gross Margin                                                                  |  |                    | 104,529 |                 |   | 102,152
|                                                                              |  |                   
|Net Earnings From Continuing Operations Attributable to Esterline             |  | $                  | 12,725  |                 | $ | 11,487 
|Net Earnings From Discontinued Operations Attributable to Esterline           |  |                    |        |                 |   | 15,456 
|                                                                              |  |                    |         |                 |   |        
|Net Earnings Attributable to Esterline                                        |  | $                  | 12,725  |                 | $ | 26,943 
|                                                                              |  |                    |         |                 |   |        
|                                                                              |  |                   
|Basic                                                                         |  |                    |         |                 |   |        
|                                                                              |  |                   
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,789  |                 |   | 29,664 
|                                                                              |  |                    |         |                 |   |        
|                                                                              |  |                   
|Earnings Per Share Attributable to Esterline  Basic:                         |  |                    |         |                 |   |        
|Continuing Operations                                                         |  | $                  | .43     |                 | $ | .39    
|Discontinued Operations                                                       |  |                    |        |                 |   | .52    
|                                                                              |  |                    |         |                 |   |        
|Earnings Per Share Attributable to Esterline  Basic                          |  | $                  | .43     |                 | $ | .91    
|                                                                              |  |                    |         |                 |   |        
|                                                                              |  |                   
|Diluted                                                                       |  |                    |         |                 |   |        
|                                                                              |  |                   
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,789  |                 |   | 29,664 
|Net Shares Assumed to be Issued for Stock Options                             |  |                    | 429     |                 |   | 201    
|                                                                              |  |                    |         |                 |   |        
|                                                                              |  |                   
|Weighted Average Number of Shares and Equivalent Shares Outstanding  Diluted |  |                    | 30,218  |                 |   | 29,865 
|                                                                              |  |                    |         |                 |   |        
|                                                                              |  |                   
|Earnings Per Share Attributable to Esterline  Diluted:                       |  |                    |         |                 |   |        
|Continuing Operations                                                         |  | $                  | .42     |                 | $ | .38    
|Discontinued Operations                                                       |  |                    |        |                 |   | .52    
|                                                                              |  |                    |         |                 |   |        
|Earnings Per Share Attributable to Esterline  Diluted                        |  | $                  | .42     |                 | $ | .90    
|                                                                              |  |                    |         |                 |   |