| Manufacturer | Grumman |
| Model | X-29 |
| Modification | X-29A |
| Country | USA |
| Years | 1984 |
| Type | Experimental aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 8.29 m |
| Length | 16.44 m |
| Height | 4.36 m |
| Wing area | 17.54 m2 |
| Zero fuel weight | - |
| Empty weight | 6260 kg |
| Maximum takeoff weight | 8074 kg |
| Normal takeoff weight | 7848 kg |
| Flight duration | 1 h |
| Engine | 1 Ф General Electric F404-GE-400 |
| Power | - |
| Thrust | 1 x 4800 kN |
| Maximum speed | 1932 (M=1.47) km/h |
| Cruising speed | 740 km/h |
| Rate of climb | - |
| Practical range | - |
| Service ceiling | 16770 m |
| Hovering ceiling | - |
| Crew | - |
