|G-4 Super Galeb|
|A Serbian Air Force G-4 Super Galeb|
|Role||Military trainer aircraft|
|Designer||Aeronautical Technical Institute|
|First flight||17 July 1978|
|Primary user||Serbian Air Force|
$4.2 million (in 2010 US$)
The Soko G-4 Super Galeb (English: Super Seagull) is a single-engine, advanced jet trainer and ground-attack aircraft designed by the Aeronautical Technical Institute and manufactured by SOKO of Yugoslavia.
The G-4 Super Galeb was developed as a replacement for the G-2 Galeb, which had been the most commonly used jet trainer aircraft of the Yugoslav Air Force up until 1985. The first of two prototypes was completed by early 1978. Following completion of the initial testing phase, the first flight was achieved on 17 July 1978 and the first of six pre-production aircraft on 17 December 1980. These and the first prototype were designated G-4 PPP, and had fixed tailplanes with inset elevators and no anhedral. Production examples (and the second prototype) were designated G-4 and featured an all-moving anhedral tailplane and comprehensive avionics improvements. The G-4 first flew in 1983 and has been ordered in large numbers for the Yugoslav Air Force. The G-4 features a low wing monoplane design with slightly tapered wings. The aircraft is 12.25m long and 4.3m high, with a wingspan of 9.88m. It weighs 3,250 kg when empty and can carry 1,882 kg of fuel. The aircraft is fitted with a short nose cone, rounded fuselage, conventional empennage, semicircular air intakes, vertical tailfins, rudder, ailerons, horizontal stabilisers and fuel tanks at the square tips. The G-4 its performance is considerably improved by the introduction of a more powerful version of the Rolls-Royce Viper 632-46 turbojet. The cockpit is fitted with two ejection seats with the rear seat slightly elevated to render all round clear visibility.
- Advanced jet trainer and ground-attack aircraft.
- Unarmed jet trainer.
- Target puller.
- Upgraded avionics and hardpoints, missile rail added to wingtips. Avionics include a Zrak ENP-MG4 HUD incorporating a Rudi Cajavec ENS-MG4 electronic sight, a gyro platform, multi function displays, and an optional chaff/flare dispensers. The inner hardpoints are rated at 500 kg, while the outer ones are rated at 350 kg, giving a maximum disposable load of 1,800 kg. Normal takeoff weight is 4,971 kg as a trainer, with a maximum takeoff weight of 6,400 kg in the attacker configuration, the maximum speed in "clean" configuration is 865 km/h at 10,000 m and 900 km/h at 4,000 m, with a ferry range of 2,900 km with drop tanks; range of 1,800 km with standard fuel, reduced to 1,200 km with cannon pack, four BL755 cluster bombs and two AAMs, maximum rate of climb at sea level of 1,800 m per minute, and a service ceiling of 12,500 m.
- Further development of G-4M upgrade including: LCD flight screens, HOTAS, HUD, integrated mission computers, distance measuring equipment, GPS-based navigation systems, identification friend or foe, navcomm units, mission records, and VHF omni-range and instrument landing systems. Integration of guided weapons, countermeasures and targeting systems is also scheduled as part of the upgrade.
- Air Force and Anti-Aircraft Defence of Bosnia and Herzegovina has 1 G-4 in storage.
- Yugoslav Air Force operated 77 G-4 aircraft.
- On 24 September 2008, while practicing for an upcoming airshow a Serbian Air Force G-4 crashed at Batajnica Air Base near Belgrade, killing the pilot and a soldier on the ground.
Data from Jane's All The World's Aircraft 1993-94
- 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
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.
Aircraft on display
- Museum of Aviation (Belgrade) in Belgrade
There are Four Soko G-4 Galebs are on display.
- Soko G-2 Galeb
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- Leteće zvezde (flying stars - aerobatics team)
- Super Galeb G-4
- Super Galeb G-4
- SOKO Super Galeb G-4 (Super Seagull) Light Atack/Advanced Trainer
- "Serbia." airserbia.com. Retrieved: 24 July 2009.
- Salinger, Igor. "Serbian air force targets fleet modernisation." flightglobal.com, 11 August 2008. Retrieved: 24 July 2009.
- "World Air Forces 2013". Flightglobal Insight. 2013. http://www.flightglobal.com/airspace/media/reports_pdf/emptys/101015/world-air-forces-2013.pdf. Retrieved 26 February 2013.
- "Na prodaju posljednja četiri borbena aviona". Vijesti. 27 October 2012. http://www.vijesti.me/vijesti/na-prodaju-posljednja-cetiri-borbena-aviona-clanak-97861. Retrieved 31 October 2012.
- "VS plane crashes, kills pilot". B92. 24 September 2008. http://www.b92.net/eng/news/society-article.php?yyyy=2008&mm=09&dd=24&nav_id=53717. Retrieved 24 July 2009.
- Lambert 1993, pp. 587–589.
- Gunston, Bill. The Encyclopedia of Modern Warplanes: The Development and Specifications of All Active Military Aircraft. New York: MetroBooks, 1995. ISBN 1-58663-207-8.
- Gunston, Bill. Encyclopedia Of World Air Power. London: Crescent, 1987. ISBN 0-517-49969-X.
- Lambert, Mark, ed. Jane's All The World's Aircraft 1993-94. Coulsdon, UK: Jane's Data Division, 1993. ISBN 0-7106-1066-1.
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