After the commercialization of the HondaJet HA-420 was announced by Honda in 2006, the first delivery was planned for 2010.[18] The first FAA-conforming (built to Federal Aviation Administration rules) HondaJet achieved its first flight on 20 December 2010.[19] The first flight of the first production HondaJet occurred on June 27, 2014,[20][21] and it was displayed at that year's AirVenture on July 28.[22][23] Four HondaJets had test-flown 2,500 hours as of 2015[update].[24]