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The Embraer E-Jet family is a series of narrow-body medium-range twin-engine jet airliners produced by Brazilian aerospace conglomerate Embraer. Launched at the Paris Air Show in 1999, and entering production in 2002, the aircraft series has been a commercial success.〔(【引用サイトリンク】title= Embraer: E-Jet sales success spurred deployment hiccups-22/05/2007-Washington DC-Flight International )〕 The aircraft is used by mainline and regional airlines around the world. , there is a backlog of 249 firm orders for the E-Jets, 502 options and 1090 units delivered.〔(【引用サイトリンク】publisher= Embraer.com )〕 ==Design and development== The Embraer E-Jets line is composed of two main commercial families and a business jet variant. The smaller E-170 and E-175 make up the base model aircraft. The E-190 and E-195 are stretched versions, with different engines and larger wing, horizontal stabilizer and landing gear structures. The 170 and 175 share 95% commonality, as do the 190 and 195. The two families share near 89% commonality, with identical fuselage cross-sections and avionics, featuring the Honeywell Primus Epic Electronic flight instrument system (EFIS) suite.〔 The E-jets also have winglets to improve efficiency. All E-Jets use four-abreast seating (2+2) and have a "double-bubble" design, which Embraer developed for its commercial passenger jets, that provides stand-up headroom. The E-190/195 series of aircraft have capacities similar to the initial versions of the McDonnell Douglas DC-9 and Boeing 737, which have always been considered mainline airliners. The E-Jets have jet engines that produce less noise, which allows them to operate in airports that have strict noise restrictions, such as London City Airport.〔(List of permitted aircraft on LCY )〕 Embraer first disclosed that it was studying a new 70-seat aircraft, which it called the EMB 170, in 1997, concurrently with announcing the development of its ERJ 135. The EMB 170 was to feature a new wing and larger-diameter fuselage mated to the nose and cockpit of the ERJ 145. In February 1999 Embraer announced it had abandoned the derivative approach in favour of an all-new design.〔Endres (2001), p.288〕〔Lewis (2001), p.34〕 The E-jet family was formally launched at the Paris Air Show in June 1999. Launch customers for the aircraft were the French airline Régional Compagnie Aérienne Européenne with ten orders and five options for the E-170; and the Swiss airline Crossair with an order for 30 E-170s and 30 E-190s. Production of parts to build the prototype and test airframes began in July 2000.〔Endres (2001), p. 289.〕 Full production began in 2002, at a new factory built by Embraer at its São José dos Campos base.〔Kingsley-Jones and Wastnage (2001). p. 50.〕 After several delays in the certification process, the E-170 received type certification from the aviation authorities of Brazil, Europe and the United States in February 2004.〔 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「Embraer E-Jet family」の詳細全文を読む スポンサード リンク
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