On 9th September 1894 was born an ace of German aviation from World War I period – Hans Christian Friedrich Donhauser. Donhauser served as a pilot in FA10 unit, than he was transferred to Jagdstaffel 17. During World War I he managed to gain 19 aerial victories. After the war he served in Reichswehr and was promoted to lieutenant. Donhauser died in plane crash on 13th January 1919 near Coblenz.

Today in aviation history – 9th September
przez