 The Bf 109 was the most produced fighter aircraft during World War II, with 30,573 examples built during the war, and the most produced fighter aircraft in history, with a total of 33,984 units produced up to April 1945.Spain had signed licensing agreements with Messerschmitt in 1942 to produce the Bf 109G-2 and had received tooling and jigs in preparation for starting production, as well as 25 uncompleted fuselage and wing assemblies.Due to priority to the Luftwaffe, Messerschmitt was unable to oversee the start-up of the production line.