The Zmaj Fizir FNH (Hydro or Hidro is the floatplane version) was designed for primary (initial) training of pilots. The primary operator was the pre-WWII Yugoslav Royal Air Force but it was also widely used as a sport aircraft. This is one of only two surviving examples.

The Zmaj Fizir FN (Hydro or Hidro is the floatplane version) was designed for primary (initial) training of pilots. The Fizir FN had exceptional low-speed stability, a desirable trait for a training aircraft being also reliable and easy to maintain. The primary operator was the pre-WWII Yugoslav Royal Air Force but it was also widely used as a sport aircraft. This is one of only two surviving examples.