The Airbus A220, previously known as Bombardier CSeries (or C Series), is a family of narrow-body, twin-engine, medium-range jet airliners originally designed and built by the Canadian manufacturer Bombardier Aerospace, now marketed by Airbus and built by Airbus Canada Limited Partnership. The 108 to 133-seat CS100 (now A220-100) made its maiden flight on 16 September 2013, was awarded an initial type certification by Transport Canada on 18 December 2015, and entered service on 15 July 2016 with Swiss Global Air Lines. The 130 to 160-seat CS300 (now A220-300) first flew on 27 February 2015, received an initial type certification on 11 July 2016, and entered service with launch customer airBaltic on 14 December 2016. Early operators recorded better-than-expected fuel burn and dispatch reliability, as well as positive feedback from passengers and crew. Airbus acquired a 50.01% majority stake in the CSeries program in October 2017, with the deal closing in Ju