 At the beginning of 1943 the Germans allowed factory to complete the fifth series aircraft Zmaj Fizir FP-2 for the Croatian Air Force, but by 22 October 1944 (Liberation Day Zemun) only 8 aircraft were delivered.The last 7 aircraft were completed and handed over after the People's Liberation Army Air Force for use by the Yugoslav Army.Thus the total number of Zmaj Fizir FP-2 aircraft produced was 81.