| Manufacturer | IMAM |
| Model | Ro.51 |
| Modification | Ro.51 |
| Country | Italy |
| Years | 1937 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 9.78 m |
| Length | 7.46 m |
| Height | 2.71 m |
| Wing area | 16.40 m2 |
| Zero fuel weight | - |
| Empty weight | 1663 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 2092 kg |
| Flight duration | - |
| Engine | 1 Fiat A 74 R.C.38 |
| Power | 1 x 840 HP |
| Thrust | - |
| Maximum speed | 489 km/h |
| Cruising speed | 444 km/h |
| Rate of climb | - |
| Practical range | 1200 km |
| Service ceiling | 8200 m |
| Hovering ceiling | - |
| Crew | - |
