C-20 Gulfstream III - Definition and Overview

C-20 Gulfstream III
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C-20 Gulfstream III
Description
Role
Crew
First Flight
Entered Service
Manufacturer	Gulfstream Aerospace Corp
Dimensions
Length C-20B	83 ft 2 in	25.35 m
Length C-20H	88 ft 4 in	26.92 m
Wingspan	77 ft 10 in	23.72 m
Height	24 ft 6 in	7.47 m
Wing area	ft²	m²
Weights
Empty	lb	kg
Loaded	lb	kg
Maximum takeoff C-20B	69,700 lb	31,620 kg
Maximum takeoff C-20H	74,600 lb	33,840 kg
Capacity
Powerplant
Engines
Power	hp	kW
Thrust	lb	kN
Performance
Maximum speed	mph	km/h
Combat range	miles	km
Ferry range	miles	km
Service ceiling	ft	m
Rate of climb	ft/min	m/min
Wing loading	lb/ft²	kg/m²
Thrust/Weight
Power/Mass	hp/lb	kW/kg
Avionics
Avionics
Armament
Guns
Bombs
Missiles
Rockets
Other

The C-20 Gulfstream is the military designation of the commercial Gulfstream bizjets used by the US military forces. The C-20D Gulfstream III used for world-wide airlift of senior leadership and dignitaries. The C-20G is the Gulfstream IV used for long range, medium airlift logistics support for Fleet Battle Groups.

The C-20D Gulfstream III is an all-weather, long-range, high speed aircraft powered by two Rolls-Royce Spey turbofan engines with thrust reversers. The aircraft has an executive compartment with accommodations for five passengers, and a staff compartment with accommodations for eight passengers. C-20D aircraft are operated by Fleet Logistics Support Wing Detachment at Naval Air Facility, Andrews Air Force Base, Washington, D.C.

The C-20G Gulfstream IV is an upgraded and updated version powered by two Rolls-Royce Tay engines. The aircraft may be configured for cargo operations, passenger operations or combinations of the two. With passengers seats removed, it may be modified to the following configurations: three pallets/no passengers, two pallets/eight passengers, and one pallet/fourteen passengers. With a full complement of seats installed, the aircraft is capable of accommodating up to twenty-six passengers and a crew of four. A hydraulically-operated cargo door is installed on the starboard side of the aircraft, and a ball roller cargo floor is capable of accommodating palletized cargo. C-20G aircraft are operated Fleet Logistics Support Squadron Four Eight (VR-48) and Marine Air Support Detachment (MASD) at Naval Air Facility, Andrews Air Force Base, Washington, DC and at Fleet Logistics Support Wing Detachment, Marine Corps Base, Kaneohe Bay, Hawaii.

General Characteristics

• Contractor: Sustaining Engineering - Gulfstream, CLS - Sabreliner
• Unit Cost: New GIV - $37 Million
• Propulsion:
  • GIII - (2) Rolls-Royce Spey MK511-8 turbofan engines equipped with thrust reversers.
  • GIV - (2) Rolls-Royce Tay MK611-8 turbofan engines equipped with thrust reversers.
• Length: (Nose to Tail)
  • GIII - 83.80 ft (25.54 m)
  • IV - 88.40 ft (26.94 m)
• Height : (Tail Height)
  • GIII - 24.37 ft (7.43 m)
  • GIV - 24.51 ft (7.47 m)
• Wing Span:
  • GIII - 77.83 ft (23.72 m)
  • GIV - 77.83 ft (23.72 m)
• Weight: Max. gross, take-off:
  • GIII - 69,700 lb (31.6 t)
  • GIV - 73,200 lb (33.2 t)
• Airspeed: 0.75 Mach (919 km/h)
• Range:
  • GIII - Max (varies with load) 3,700 nautical miles (6,850 km)
  • GIV - Max 5,130 nautical miles (9,500 km)
• Crew: Pilot, Co-Pilot and Crew chief, flight attendant and/or loadmaster added as required. Crewed by USMC/USN Reserves