| Manufacturer | SPAD |
| Model | S.81 |
| Modification | S.81 |
| Country | France |
| Years | 192 |
| Type | Fighter |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 9.61 m |
| Length | 6.40 m |
| Height | 2.90 m |
| Wing area | 30.00 m2 |
| Zero fuel weight | - |
| Empty weight | 845 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 1265 kg |
| Flight duration | - |
| Engine | 1 Hispano-Suiza 8Fb |
| Power | 1 x 300 HP |
| Thrust | - |
| Maximum speed | 235 km/h |
| Cruising speed | 205 km/h |
| Rate of climb | - |
| Practical range | 600 km |
| Service ceiling | 8100 m |
| Hovering ceiling | - |
| Crew | - |
