First flight of the Gloster E.28/39 the first British and Allied jet aircraft.

The Gloster E.28/39, was the first British turbojet-engined aircraft first flying in 1941. It was the third turbojet aircraft to fly after the German Heinkel He 178 (1939) and Heinkel He 280 (1941).

A jet aircraft is an aircraft propelled by one or more jet engines.