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 operational history analogous to a car having too much of a gap between transmission ratios) It should be noted, however, that in the political climate of the times there was often a considerable amount of propaganda written into such reports by both sides or the information quickly become outdated; for example, as a result of a crash programme, all Spitfires and Hurricanes were retrofitted with either Rotol or Hamilton constant-speed propellers by 16 August 1940. During the Battle of Britain, the Bf 109's chief disadvantage was its short range: like most of the 1930s monoplane interceptors, it was designed to engage enemy