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Gulfstream G100
An Astra SPX (later called the Gulfstream G100) in Düsseldorf, Germany
Role Business jet
Manufacturer Gulfstream Aerospace
Status Active service
Primary user United States Air Force
Developed from IAI Astra

The Gulfstream G100, formerly known as the Astra SPX, is an Israel Aircraft Industries-manufactured twin-engine business jet, now produced for Gulfstream Aerospace. The United States Air Force designation for the G100 is C-38 Courier.


Design and development

Astra evolved from the Rockwell Jet Commander aircraft, for which IAI had purchased the manufacturing license in 1968, and the IAI Westwind.The Astra wing design was modified and with a completely new fuselage created the Galaxy (later the Gulfstream G200) business jet during the 1990s.[1]

Work on an improved Westwind began in the early 1980s, with the first prototype flight on 19 March 1984. The first production Astra flew in March 1985, FAA certification came in August 1985 and customer deliveries started in 1986.

The original 1125 Astra was replaced in by the Astra SP, announced in 1989 of which 37 were built. The third variant, Astra SPX, flew in August 1994. This variant was renamed G100 from September 2002 following Gulfstream's acquisition of Galaxy Aerospace, which held the Astra certifications, in May 2001. IAI builds G100s in Israel and then flies the completed airframes to the United states for interior outfitting.

In September 2002 Gulfstream announced the improved G150, based on the G100. This new variant was due in 2005.

The C-38 Courier is currently in use by the United States Air Force with the 201st Airlift Squadron at Andrews Air Force Base in Maryland. The C-38 has replaced the earlier C-21 Learjet. The C-38 differs from the standard Gulfstream G100, featuring US military-grade GPS, Tactical Air Navigation, UHF and VHF secure command radio, and Identification friend or foe system.


 United States

Specifications (G100)

General characteristics

  • Payload: 3,291 lb (1,496 kg)
  • Length: 55 ft 7 in (16.96 m)
  • Wingspan: 54 ft 7 in (16.64 m)
  • Height: 18 ft 2 in (5.54 m)
  • Empty weight: 14,400 lb (6,531 kg)
  • Loaded weight: 24,800 lb (11,249 kg)
  • Useful load: 885 lb (401 kg)
  • Max takeoff weight: 24,650 lb (11,181 kg)
  • Powerplant:Honeywell TFE731-40R-200G turbofans, 4,250 lbs () each


See also

Related development


External links



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