31th 
  EO ![]()
  
  
  
|  
        Before 
     | 
     
       Group or Squadron 
     | 
     
       Flight number 
     | 
     
       Tradition name 
     | 
     
       Geographic place 
     | 
     
       Equipment 
     | 
     
       After 
     | 
  
| GO I/31 |  
       1 
     | 
    SAL 
      277 | 
     
        Tours 
     | 
     
       | 
  ||
|  
       2 
     | 
    SAL 
      10 | 
     
       | 
     
       | 
  |||
| GO II/31 |  
       3 
     | 
    BR 
      226 | 
     
       | 
     
       | 
     
       | 
  |
|  
       4 
     | 
    SAL 
      56 | 
     
       | 
     
       | 
  
|  
        Before 
     | 
     
       Group or Squadron 
     | 
     
       Flight number 
     | 
     
       Tradition name 
     | 
     
       Geographic place 
     | 
     
       Equipment 
     | 
     
       After 
     | 
  
| GO I/31 |  
       1 
     | 
    SAL 
      277 | 
     
        Tours 
     | 
     
       | 
  ||
|  
       2 
     | 
    SAL 
      10 | 
     
       | 
     
       | 
  |||
| GO II/31 |  
       3 
     | 
    BR 
      226 | 
     
       | 
     
       | 
     
       | 
  |
|  
       4 
     | 
    SAL 
      56 | 
     
       | 
     
       | 
  |||
| GO III/31 |  
       5 
     | 
    SPA 
      BI 42 | 
     
       | 
     
       | 
     
       | 
  |
|  
       6 
     | 
    SAL 
      39 | 
     
       | 
     
       | 
  
| (2) | |
| Breguet 27 | 
    1935 | 
| Breguet 27 Mureaux 117 | 
    1936 (for the GO II/31) | 
| Potez 540 | 
    1936 (for the GO III/31) | 
|  
          Before 
       | 
       
         Group or Squadron 
       | 
       
         Flight number 
       | 
       
         Tradition name 
       | 
       
         Geographic place 
       | 
       
         Equipment (2) 
       | 
       
         After 
       | 
    
| GO I/32 |  
         1 
       | 
      BR 
        35 | 
       
          Dijon 
       | 
       
         | 
    ||
|  
         2 
       | 
      BR 
        7 | 
       
         | 
       
         | 
    |||
| GO II/32 |  
         3 
       | 
      BR 
        201 | 
       
         | 
       
         | 
       
         | 
    |
|  
         4 
       | 
      BR 
        219 | 
       
         | 
       
         | 
    
| (2) | |
| Breguet 19 | 
      until 1934 | 
| Breguet 27 | 
      1933 | 
| Potez 25 | 
      from 1934 to 1935 | 
| Potez 39 | 
      1935 | 
| Mureaux 117 | 
      1936 | 
| Bloch 200 | 
      1937 | 
|  
          Before 
       | 
       
         Group or Squadron 
       | 
       
         Flight number 
       | 
       
         Tradition name 
       | 
       
         Geographic place 
       | 
       
         Equipment (2) 
       | 
       
         After 
       | 
    
| GO I/33 |  
         1 
       | 
      BR 
        11 | 
       
          Nancy 
       | 
       
         | 
    ||
|  
         2 
       | 
      BR 
        244 | 
       
         | 
       
         | 
    |||
| GO II/33 |  
         3 
       | 
      SAL 
        33 | 
       
         | 
       
         | 
       
         | 
    |
|  
         4 
       | 
      SAL 
        6 | 
       
         | 
       
         | 
    
| (2) | |
| Breguet 19 | 
      until 1933 | 
| Potez 25 A2 | 
      from May 1933 | 
| Potez 542 | from November 1936 (for the GO II/33) | 
|  
          Before 
       | 
       
         Group or Squadron 
       | 
       
         Flight number 
       | 
       
         Tradition name 
       | 
       
         Geographic place 
       | 
       
         Equipment (2) 
       | 
       
         After 
       | 
    
| GO I/34 |  
         1 
       | 
      SAL 
        14 | 
       
          Le 
          Bourget  
       | 
       
         | 
    ||
|  
         2 
       | 
      SAL 
        18 | 
       
         | 
       
         | 
    |||
| GO II/34 |  
         3 
       | 
      BR 
        227 | 
       
         | 
       
         | 
       
         | 
    |
|  
         4 
       | 
      BR 
        224 | 
       
         | 
       
         | 
    
| (2) | |
| Breguet 19 | until 1934 | 
| Potez 39 | 
      from 1934 to 1935 (1936 for the GO II/34) | 
| Amiot 143 | 
      1936 | 
|  
          Before 
       | 
       
         Group or Squadron 
       | 
       
         Flight number 
       | 
       
         Tradition name 
       | 
       
         Geographic place 
       | 
       
         Equipment (2)  
       | 
       
         After 
       | 
    
| GO I/35 |  
         1 
       | 
      SPA 
        BI 20 | 
       
          Lyon 
          Bron  
       | 
       
         | 
    ||
|  
         2 
       | 
      BR 
        218 | 
       
         | 
       
         | 
    |||
| GO II/35 |  
         3 
       | 
      SAL 
        32 | 
       
         | 
       
         | 
       
         | 
    |
|  
         4 
       | 
      SAL 
        52 | 
       
         | 
       
         | 
    
| (2) | |
| Breguet 27 | 
      from 1934 to 1935 | 
| Amiot 143 | 
      from 1936 (for the GO I/35) | 
| Mureaux 117 | 
      from 1936 (for the GO II/35) | 
|  
          Before 
       | 
       
         Group or Squadron 
       | 
       
         Flight number 
       | 
       
         Tradition name 
       | 
       
         Geographic place 
       | 
       
         Equipment 
       | 
       
         After 
       | 
    
| GO I/36 |  
         1 
       | 
      SAL 
        58 | 
       
          Pau 
       | 
       
         | 
    ||
|  
         2 
       | 
      BR 
        43 | 
       
         | 
       
         | 
    |||
| GO II/36 |  
         3 
       | 
      SAL 
        253 | 
       
         | 
       
         | 
       
         | 
    |
|  
         4 
       | 
      BR 
        257 | 
       
         | 
       
         | 
    
|  
          Before 
       | 
       
         Group or Squadron 
       | 
       
         Flight number 
       | 
       
         Tradition name 
       | 
       
         Geographic place 
       | 
       
         Equipment 
       | 
       
         After 
       | 
    
| GO I/39 |  
         1 
       | 
      SAL 
        13 | 
       
          Palmyre 
       | 
       
         | 
    ||
|  
         2 
       | 
      SAL 
        16 | 
       
         | 
       
         | 
       
         | 
    ||
| GO II/39 |  
         3 
       | 
      SAL 
        24 | 
       
          Rayack 
       | 
       
         | 
       
         | 
    |
|  
         4 
       | 
      SAL 
        27 | 
       
         | 
       
         |