The Junkers Ju 52/3m (nicknamed Tante Ju ("Aunt Ju") and Iron Annie) is a German transport aircraft manufactured from 1931 to 1952, initially designed with a single engine but subsequently produced as a trimotor. It had both civilian and military service during the 1930s and 1940s. In a civilian role, it flew with over 12 airlines including Swissair and Deutsche Luft Hansa as both a passenger carrier and a freight hauler.