jet 178The Heinkel He 178, the first jet-powered aircraft Historic Flht. On August 27, 1939, at the Marienehe airfield in Germany, the He 178 made history by becoming the firstExperimental jet-engine powered aircraft – 2 prototypes and 1 mockup. The He 178 has the honor to be the first aircraft that made it to the sky solely powered by a jet engine. It was mainly