The Gulfstream III, a business jet produced by Gulfstream Aerospace, is an all-weather, long-range, high speed aircraft powered by two Rolls-Royce Spey turbofan engines with thrust reversers.There are two types of GIIIs in service. Earlier model GIIIs have a DC based electrical system, these are referred to as Non-VSCF (Variable Speed, Constant Frequency). Alternately newer GIIIs have an AC based electrical system, and are referred to as VSCF GIIIs.
Military variants
- C-20A - USAF variant configured for 14 passengers and 5 crew[1]
- C-20B - C-20A with upgraded electronics used for Presidential and VIP missions[1]
- C-20C - C-20B with upgraded secure communications, backup for VC-25A Air Force One[1]
- C-20D - C-20B with modified communications equipment for use by the U.S. Navy[1]
- C-20E - C-20B with modified avionics and interior furnishings for use by the U.S. Navy[1]
Military operators
Military operators of the Gulfstream III, IV, and C-20 include:
Specifications (Gulfstream III)
General characteristics
- Crew: Captain, Co-Pilot, Crew Chief
- Capacity: Twenty-six
- Length: 88 ft 4 in (25.35 m)
- Wingspan: 77 ft 10 in (23.72 m)
- Height: 24 ft 6 in (7.47 m)
- Empty weight: 38,000 lb (17,237 kg)
- Loaded weight: 69,700 lb (31,615 kg)
- Useful load: 31,000 lb (14,061 kg)
- Max takeoff weight: 69,700 lb (31,615 kg)
- Powerplant: Two× SPEY-MK511-8 Turbofan, 11,400 lbf (50.7 kN) each
Performance
- Maximum speed: knots (mph, km/h)
- Cruise speed: 459 knots (528 mph, 850 km/h)
- Stall speed: 105 knots (121 mph, 194 km/h)
- Range: 3,767 nm (4,335 mi, 6,976 km)
- Service ceiling 45,000 ft (13,716 m)
- Rate of climb: 4,049 ft/min (20.6 m/s)
References
- ^ a b c d e Model Designation of Military Aerospace Vehicles, DoD 4120.15L, 2004-05-12
See also
Related development
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