ODIN4D Fitted with new engines and sharklets as standard, the A321neo has the longest fuselage of any Airbus narrow-body airliner of commercial use. Boeing introduced a new generation of their competing narrowbody family 737 MAX one year after the introduction of the A321neo. The A321neo is the second generation of Airbus's A321 family, with the first generation being the previously mentioned A321ceo. The A321neo's development was announced by Airbus in 2010, 16 years after the introduction of the original A321ceo. Fitted with CFM International LEAP-1A or Pratt & Whitney PW1100G-JM engines, Airbus advertises a 20% increase in fuel efficiency per passenger, with 500 nautical miles (930 km; 580 mi) more range, or 2 tonnes (4,400 lb) more of payload. It entered service with Virgin America on 31 May 2017, taking its first commercial flight.|{3|4|5|6|7|8|9|10|Three|Four|Five|Six|Seven|Eight|Nine|Ten} Ways To Reinvent Your Slot Ide