<P> The Heinkel He 178 was the world 's first aircraft to fly under turbojet power , and the first practical jet aircraft . It was a private venture by the German Heinkel company in accordance with director Ernst Heinkel 's emphasis on developing technology for high - speed flight . It first flew on 27 August 1939 , piloted by Erich Warsitz . This flight had been preceded by a short hop three days earlier . </P>
<P> The Heinkel He 178 was the world 's first aircraft to fly under turbojet power , and the first practical jet aircraft . It was a private venture by the German Heinkel company in accordance with director Ernst Heinkel 's emphasis on developing technology for high - speed flight . It first flew on 27 August 1939 , piloted by Erich Warsitz . This flight had been preceded by a short hop three days earlier . </P>
which german company built the first aircraft to fly under turbojet power
which german company built the first aircraft to fly under turbojet power
Heinkel
Heinkel