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Airbus A320 family
The Airbus A320 family consists of short- to medium-range, narrow-body, commercial passenger twin-engine jet airliners manufactured by Airbus. The family includes the A318, A319, A320 and A321, as well as the ACJ business jet. The A320s are also named A320ceo (current engine option) after the introduction of the A320neo. Final assembly of the family takes place in Toulouse, France, and Hamburg, Germany; a plant in Tianjin, China, has also been producing aircraft for Chinese airlines since 2009.〔(【引用サイトリンク】title=Aircraft Families )〕 Construction of a new production facility in Mobile, Alabama began in 2013. The aircraft family can accommodate up to 220 passengers and has a range of , depending on model.
The first member of the A320 family—the A320—was launched in March 1984, first flew on 22 February 1987, and was first delivered in March 1988. The family was soon extended to include the A321 (first delivered 1994), the A319 (1996), and the A318 (2003). The A320 family pioneered the use of digital fly-by-wire flight control systems, as well as side-stick controls, in commercial aircraft. There has been a continuous improvement process since introduction.
In December 2010, Airbus announced a new generation of the A320 family, the A320neo (new engine option). The A320neo offers a choice of CFM International LEAP-X or Pratt & Whitney PW1000G engines, combined with airframe improvements and the addition of winglets, named ''Sharklets'' by Airbus. The aircraft will deliver fuel savings of up to 15%. In May 2015, a total of 3,600 A320neo family aircraft had been ordered by 70 airlines, making it the fastest ever selling commercial aircraft. The first A320neo was slated to enter service with Qatar Airways in Q4 2015.
As of 31 October 2015, a total of 6,774 Airbus A320-family aircraft have been delivered, of which 6,487 are in service. In addition, another 5,466 airliners are on firm order. It ranked as the world's fastest-selling jet airliner family according to records from 2005 to 2007, and as the best-selling single-generation aircraft programme.〔(Airbus A320 Family passes the 5,000th order mark ) Airbus 〕 The A320 family has proved popular with airlines including low-cost carriers such as EasyJet, which purchased A319s and A320s to replace its 737 fleet. As of 31 October 2015, US Airways was the largest operator of the Airbus A320 family aircraft, operating 274 aircraft.〔 The aircraft family competes directly with the 737 and has competed with the 717, 757, and the MD-80/MD-90.
== Development ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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