| Manufacturer | IMAM |
| Model | Ro.57 |
| Modification | Ro.57bis |
| Country | Italy |
| Years | 1939 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 12.50 m |
| Length | 8.80 m |
| Height | 2.90 m |
| Wing area | 23.00 m2 |
| Zero fuel weight | - |
| Empty weight | 3490 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 4990 kg |
| Flight duration | - |
| Engine | 2 Fiat A.74 RC 38 |
| Power | 2 x 840 HP |
| Thrust | - |
| Maximum speed | 516 km/h |
| Cruising speed | 500 km/h |
| Rate of climb | - |
| Practical range | 1200 km |
| Service ceiling | 9300 m |
| Hovering ceiling | - |
| Crew | - |
