Messerschmitt Bf 109 11 July 1938 when Erhard Milch finally allowed Willy Messerschmitt to acquire the company. All Messerschmitt aircraft that originated after that date, such as the Me 210, were to carry the "Me" designation. Despite regulations by the RLM, wartime documents from Messerschmitt AG, RLM and "Luftwaffe" loss and strength reports continued to use both designations, sometimes even on the same page. All extant airframes bear the official "Bf 109" designation on their identification plates, including the final K-4 models. The aircraft was often referred to by the folk-designation, 'Me 109', particularly by the Allies. The aircraft was often nicknamed "Messer"
Messerschmitt Bf 109 variants the Spanish installed the French Hispano-Suiza engine, and then fitted Rolls-Royce Merlins as late as 1956. A few were still in active service until the late 1960s. The Ha 1112 was produced until 1958. Messerschmitt Bf 109 variants Due to the Messerschmitt Bf 109's versatility and time in service with both the Luftwaffe and other foreign air forces, numerous variants were produced over the eight years of service with the Luftwaffe and even more were produced by its foreign users. The Bf 109A was the first version of the Bf 109. Armament was initially planned to be just two cowl-mounted