EXHIBIT 11

ESTERLINE TECHNOLOGIES CORPORATION

Computation of Basic and Diluted Earnings Per Common Share

For the Three and Six Month Periods Ended May 1, 2009 and May 2, 2008

(Unaudited)

(In thousands, except per share
amounts)



|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|----------------------------------------------------------------------------- |  | ------------------ | ------- | ---------------- | - | ---------- |  | ---------- | ------- |  | - | -------
|                                                                              |  | Three Months Ended |         | Six Months Ended
|                                                                              |  | May 1,2009         |         | May 2,2008       |   | May 1,2009 |  | May 2,2008
|                                                                              |  |                    |         |                 
|Net Sales                                                                     |  | $                  | 359,502 |                  | $ | 358,033    |  | $          | 669,219 |  | $ | 715,358
|Gross Margin                                                                  |  |                    | 112,598 |                  |   | 121,387    |  |            | 214,750 |  |   | 236,600
|                                                                              |  |                    |         |                 
|Net Earnings From Continuing Operations                                       |  | $                  | 25,338  |                  | $ | 23,947     |  | $          | 36,825  |  | $ | 53,672 
|Net Earnings From Discontinued Operations                                     |  |                    | 375     |                  |   | 1,238      |  |            | 15,831  |  |   | 2,497  
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|Net Earnings                                                                  |  | $                  | 25,713  |                  | $ | 25,185     |  | $          | 52,656  |  | $ | 56,169 
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Basic                                                                         |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,705  |                  |   | 29,442     |  |            | 29,684  |  |   | 29,413 
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Earnings Per Share  Basic:                                                   |  |                    |         |                  |   |            |  |            |         |  |   |        
|Continuing Operations                                                         |  | $                  | .85     |                  | $ | .81        |  | $          | 1.24    |  | $ | 1.82   
|Discontinued Operations                                                       |  |                    | .02     |                  |   | .05        |  |            | .53     |  |   | .09    
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|Earnings Per Share - Basic                                                    |  | $                  | .87     |                  | $ | .86        |  | $          | 1.77    |  | $ | 1.91   
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Diluted                                                                       |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Weighted Average Number of Shares Outstanding                                 |  |                    | 29,705  |                  |   | 29,442     |  |            | 29,684  |  |   | 29,413 
|Net Shares Assumed to be Issued for Stock Options                             |  |                    | 124     |                  |   | 440        |  |            | 163     |  |   | 433    
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Weighted Average Number of Shares and Equivalent Shares Outstanding  Diluted |  |                    | 29,829  |                  |   | 29,882     |  |            | 29,847  |  |   | 29,846 
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|                                                                              |  |                    |         |                 
|Earnings Per Share  Diluted:                                                 |  |                    |         |                  |   |            |  |            |         |  |   |        
|Continuing Operations                                                         |  | $                  | .85     |                  | $ | .80        |  | $          | 1.23    |  | $ | 1.80   
|Discontinued Operations                                                       |  |                    | .01     |                  |   | .04        |  |            | .53     |  |   | .08    
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |        
|Earnings Per Share - Diluted                                                  |  | $                  | .86     |                  | $ | .84        |  | $          | 1.76    |  | $ | 1.88   
|                                                                              |  |                    |         |                  |   |            |  |            |         |  |   |