The Diamond DA50 is a five seat, single-engine, composite aircraft designed and built by Diamond Aircraft Industries. First shown in 2006, it made its maiden flight on 4 April 2007. The project has been proposed to be powered by several different engines, but was certified on 9 September 2020 with the Continental CD-300 diesel.

Diamond Aircraft Industries is a European manufacturer of general aviation aircraft and motor gliders, based in Austria. It has been a subsidiary of the Chinese company Wanfeng Aviation since 2017. It is the third largest manufacturer of aircraft for the general aviation sector, and has manufacturing facilities in Wiener Neustadt, Lower Austria, and in London, Ontario, Canada, as well as further production lines operated as joint ventures in other nations, such as China.