C-20 Gulfstream III
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