| Manufacturer | Heinkel |
| Model | He.51 |
| Modification | He.51b-2 |
| Country | Germany |
| Years | 1933 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 11.00 m |
| Length | 9.10 m |
| Height | 3.90 m |
| Wing area | 27.20 m2 |
| Zero fuel weight | - |
| Empty weight | 1526 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 1970 kg |
| Flight duration | - |
| Engine | 1 BMW-VI-7.3Z |
| Power | 1 x 750 HP |
| Thrust | - |
| Maximum speed | - |
| Cruising speed | 262 km/h |
| Rate of climb | - |
| Practical range | 550 km |
| Service ceiling | 7400 m |
| Hovering ceiling | - |
| Crew | - |
