The Comac C919 is a narrow-body airliner developed by Chinese state owned aircraft manufacturer Comac. The development program was launched in 2008 as a competitor to the Airbus A320 and Boeing 737. Production began in December 2011, with the first prototype being rolled out on 2 November 2015; the maiden flight took place on 5 May 2017. On 29 September 2022 the C919 received its CAAC type certificate. The first production airframe was delivered to China Eastern Airlines on 9 December 2022 and was put into commercial passenger service on 28 May 2023.