| Manufacturer | Brown |
| Model | B-3 |
| Modification | B-3 |
| Country | USA |
| Years | 1936 |
| Type | Light aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 9.72 m |
| Length | 7.89 m |
| Height | 2.44 m |
| Wing area | 13.94 m2 |
| Zero fuel weight | - |
| Empty weight | 839 kg |
| Maximum takeoff weight | 1202 kg |
| Normal takeoff weight | - |
| Flight duration | - |
| Engine | 1 Menasco C6S-4 Super Buccaneer |
| Power | 1 x 290 HP |
| Thrust | - |
| Maximum speed | 330 km/h |
| Cruising speed | - |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 5486 m |
| Hovering ceiling | - |
| Crew | 1 |
