 In 1933, the command of the Yugoslav Royal Air Force (YRAF)decided to replace outdated planes with modern school aircraft, for transitional training from basic training to combat.Zmaj Factory designed a prototype biplane, Fizir FP-1, in 1993 for transitional pilot training, but it did not satisfy all the requirements set by the YRAF.As a result, aircraft designers and engineers, Rudolf Fizir and Dušan Stankov, made adjustments to the Fizir FP-1 and so the plane became the, Zmaj Fizir FP-2.