| Manufacturer | de Havilland |
| Model | DH.51 |
| Modification | DH-51 |
| Country | United Kingdom |
| Years | 1924 |
| Type | Light aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 11.28 m |
| Length | 8.08 m |
| Height | 2.97 m |
| Wing area | 30.19 m2 |
| Zero fuel weight | - |
| Empty weight | 609 kg |
| Maximum takeoff weight | 1016 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Airdisco |
| Power | 1 x 120 HP |
| Thrust | - |
| Maximum speed | 174 km/h |
| Cruising speed | 152 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 4570 m |
| Hovering ceiling | - |
| Crew | 1 |
