Serb G-4 Super Galeb ''Archangelos 2005
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The G-4 Super Galeb is a tandem-seat low-wing advanced jet trainer/light attack jet of Yugoslav origin. The plane was first flown July 17, 1978 and production began in 1982. It was built to replace the G-2 Galeb and Lockheed T-33 in the Yugoslav Air Force. The G-4 Super Galeb is not a modified G-2 Galeb as is claimed in some aircraft books, but an entirely new design.
In the early 1990s the G-4 was a briefly a losing contender in the Joint Primary Aircraft Training System program in the U.S and was highly praised by American test pilots who flew it. The Raytheon/Pilatus entry won, and became the T-6 Texan II.
There was also a design for a single-seat version of the G-4 possibly called the G-5, which would have had greater attack capability including a radar. The G-5 project was dropped due to the disintegration of Yugoslavia.
Though it had been abeyance because of the civil war and dissolution of Yugoslavia as a real entity, the program for this upgraded Super Galeb has been revived to provide a more capable type in the armament training and light attack roles. The variant's improvements stem from the use of more advanced avionics and higher-rated hardpoints complemented by a missile rail at each wing tip. The avionics include a Zrak ENP-MG4 HUD, Rudi Cajavec ENS-MG4 electronic sight, gyro platform, multi function displays, and optional chaff/flare dispensers. The inner and outer hardpoints are each rated at 500 and 350 kg respectively for a maximum disposable load of 1800 kg. In other respect, the G-4M differs from the G-4 in details such as span of 10.05 m excluding tip-mounted AAMs or 10.31 m including tip-mounted AAMs, aspect ratio of 5.18, empty equipped weight of 3403 kg without missile rails and 3435 kg with missile rails, internal fuel weight of 1376 kg supplemental by up to 925 kg of external fuel in one 449 liter and two 368 liter drop tanks, normal take-off weight of 4971 kg as a trainer, maximum take-off weight of 6400 kg as an attack warplane, maximum level speed 'clean' of 865 km/h at 10000 m and 900 km/h at 4000 m, ferry range of 2900 km with drop tanks; range of 1800 km with standard fuel reducing to 1200 km with cannon pack, four BL755 cluster bombs and two AAMs, maximum rate of climb at sea level of 1800 m per minute, and service ceiling of 12500 m.
Author: Freeaviation
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