| Role | Military trainer aircraft |
|---|---|
| Manufacturer | SOKO |
| Designer | Aeronautical Technical Institute |
| First flight | 17 July 1978 |
| Introduction | 1983 |
| Status | Active |
| Primary user | Serbian Air Force |
| Number built | 85[1] |
| Unit cost | $4,2 million in 2010 US dollars |
General characteristics
- Crew: 2
- Length: 12.25 m (40 ft 2 in)
- Wingspan: 9.88 m (32 ft 5 in)
- Height: 4.30 m (14 ft 1 in)
- Wing area: 19.5 m2 (210 sq ft)
- Aspect ratio: 5.01
- Empty weight: 3,250 kg (7,165 lb)
- Gross weight: 4,760 kg (10,494 lb)
- Max takeoff weight: 6,330 kg (13,955 lb)
- Fuel capacity: 1,882 kg (maximum internal and external fuel)
- Powerplant: 1 × Rolls-Royce Viper 632-46 , 17.8 kN (4,000 lbf) thrust
- Maximum speed: 920 km/h (572 mph; 497 kn) clean @ 6,000 m (13,000 ft)
- Cruising speed: 550 km/h (342 mph; 297 kn) @ 6,000m
- Stall speed: 180 km/h (112 mph; 97 kn) dirty
- Never exceed speed: 921 km/h (572 mph; 497 kn) 0.9M @ 11,000m
- Range: 1,900 km (1,181 mi; 1,026 nmi) Internal fuel
- Combat range: 1,300 km (808 mi; 702 nmi) with cannon pack and four BL755 cluster bombs (combat radius 485 km)
- Ferry range: 2,500 km (1,553 mi; 1,350 nmi) maximum internal and external fuel
- Service ceiling: 12,850 m (42,159 ft) Service ceiling (Altitude at which maximum climb rate reduces to 100 ft/min)
- g limits: -4.2 to +8
- Rate of climb: 31 m/s (6,100 ft/min)
- Time to altitude: 6 minutes to 8,000m
- 1x GSh-23L 23 mm cannon in ventral gun pod.
- 2x Inner pylons 350 kg (770 lb)capacity.
- 2x Outer pylons 250 kg (550 lb) capacity.
- 1x Centreline pylon 400 kg (880 lb) capacity (G-4M).
- 2x Wingtip missile rails (G-4M).
Standard communication and navigation equipment, plus (fire control and weapons management) Ferranti ISIS D-282 gyro sight, and (defensive sensors and systems) Iskra SD-1 RWR; there is also provision for a reconnaissance pod with cameras and an IR line scanner.