The Rogožarski SIM-X was a Yugoslav single-engine sports and tourist plane also used for basic training of military pilots designed in 1936, with two crew members. It was designed and built at the Rogožarski factory in Belgrade.
The Rogožarski SIM-XII-H was a Yugoslav trainer single-engine floatplane, with two floats designed in 1938. It was designed and built at the Rogožarski factory in Belgrade.
Seaplanes Rogožarski SIM-XII-H (left) and SIM-XIV-H (right) (Kumbor 1938)
Engine installed in aircraft Seaplanes Rogožarski SIM-XII-H