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 a combination of Macchi 205s and Fiat G.55s although, for various reasons, the unit rarely operated from August 1944 through to December, when the first Bf 109 G-12 trainer arrived. Still in December, the remaining 17 pilots of I° "Gruppo" were moved to Rangsdorf, in Berlin, to start a training course on Me 163 rocket fighter. In November 1944, I°Gr.C was transferred to the "Luftwaffe" flying school at Holzkirchen in Germany to convert to the Messerschmitts. At the beginning of February, 57 of I° "Gruppo"s pilots were ready for operations with the Me 109; 51 (52, according to other sources