| Manufacturer | Sikorsky |
| Model | S-31 |
| Modification | S-31 |
| Country | USA |
| Years | 1925 |
| Type | Light aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | - |
| Length | 7.62 m |
| Height | - |
| Wing area | 33.00 m2 |
| Zero fuel weight | - |
| Empty weight | 795 kg |
| Maximum takeoff weight | 1340 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Wright J-4 Whirlwind |
| Power | 1 x 230 HP |
| Thrust | - |
| Maximum speed | 200 km/h |
| Cruising speed | - |
| Rate of climb | - |
| Practical range | 800 km |
| Service ceiling | 4300 m |
| Hovering ceiling | - |
| Crew | 2 |
