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| Manufacturer | Curtiss |
| Model | A-3(4) |
| Modification | A-3B |
| Country | USA |
| Years | 1927 |
| Type | Attack plane |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 11.58 m |
| Length | 8.41 m |
| Height | 3.12 m |
| Wing area | 32.61 m2 |
| Zero fuel weight | - |
| Empty weight | 1316 kg |
| Maximum takeoff weight | - |
| Normal takeoff weight | 2030 kg |
| Flight duration | - |
| Engine | 1 Curtiss V-1150-3 |
| Power | 1 x 426 HP |
| Thrust | - |
| Maximum speed | 225 km/h |
| Cruising speed | 179 km/h |
| Rate of climb | - |
| Practical range | 1041 km |
| Service ceiling | 4390 m |
| Hovering ceiling | - |
| Crew | 2 |
