| Manufacturer | Stearman-Hammond |
| Model | Y-1S (Y-150) |
| Modification | Y-1S |
| Country | USA |
| Years | 1937 |
| Type | Light aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 12.19 m |
| Length | 7.92 m |
| Height | 2.31 m |
| Wing area | - |
| Zero fuel weight | - |
| Empty weight | - |
| Maximum takeoff weight | 975 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Menasco C-4S |
| Power | 1 x 150 HP |
| Thrust | - |
| Maximum speed | 209 km/h |
| Cruising speed | 195 km/h |
| Rate of climb | - |
| Practical range | 772 km |
| Service ceiling | - |
| Hovering ceiling | - |
| Crew | 2 |
