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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.〔("The Israel IAI-1126 Galaxy/Gulfstream G200" )〕 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 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. It has been FAA certified for steep approach.〔(G150 Steep Approach to London City approaches reach 5.5 degrees ) ''Aviation Week''. Accessed: 9 January 2011.〕 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. The C-38 will additionally serve with the United States Navy, replacing North American T-2 Buckeye aircraft at Naval Air Station Patuxent River that were retired in September 2015. The C-38 will act as a chase aircraft, radar test target, and pilot proficiency aircraft for the VX-20 test and evaluation squadron.〔(T-2C Buckeye ends 56-year Navy career ) ''Naval Air Systems Command''〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Gulfstream G100」の詳細全文を読む スポンサード リンク
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