Kay Gyroplanes: 46/1 [506/208] | ||
 2 450 HP  1 | ||
 1946 |
Kay Gyroplanes: 39/1 [504/208] | ||
 2087 kg  180 km/h 3 450 HP | ||
| 1939 |
Kay Gyroplanes: 37/1 [503/208] | ||
| 3 | ||
| 1937 |
Kay Gyroplanes: 36/1 [502/208] | ||
| 1936 |
Kay Gyroplanes: 35/1 [501/208] | ||
| 3 | ||
| 1936 |
 | Kay Gyroplanes: 33/1 [500/208] | |
| 417 kg 156 km/h 1 75 HP | ||
| 1935 |
Kay Gyroplanes: 42/1 [505/208] | ||
|