| Manufacturer | SOKO |
| Model | J-1 Jastreb |
| Modification | J-1 |
| Country | Yugoslavia |
| Years | 19 |
| Type | Attack aircraft |
| Main rotor diameter | - |
| Tail rotor diameter | - |
| Wingspan | 10.56 m |
| Length | 10.88 m |
| Height | 3.64 m |
| Wing area | 19.43 m2 |
| Zero fuel weight | - |
| Empty weight | 2820 kg |
| Maximum takeoff weight | 5100 kg |
| Normal takeoff weight | 4666 kg |
| Flight duration | 2.30 h |
| Engine | 1 ТРД DMB (Rolls-Royce) Viper Mk.531 |
| Power | - |
| Thrust | 1 x 13.32 kN |
| Maximum speed | 820 km/h |
| Cruising speed | 740 km/h |
| Rate of climb | - |
| Practical range | 1520 km |
| Service ceiling | 12000 m |
| Hovering ceiling | - |
| Crew | 1 |
