On 16th December 1910 there was made a test flight of a first aircraft with jest engine. The construction of Coandă-1910 was designed by a Romanian – Henriego Coandĕ. The construction of the Coandă-1910 was made of wood and metal and was powered by a primitive jet engine (2.2 kN). The first flight of the Coandă-1910 ended up as a catastrophy because of the conflagration. The next flight of a jet aircraft occurred 29 years later when was made a test flight of a Heinkel He 178.