Nikitin MU-4 Overview The Nikitin MU-4 was an amphibian trainer aircraft produced in the USSR in 1936. Specifications Aircraft Roles Trainer Aircraft Country Soviet Union Timeline 1930s First Flown 1936 Manufacturer Nikitin aircraft Configuration Wing Sesquiplanes Types Seaplanes Amphibious Aircraft Flying Boats Single-engine aircraft Single-Engined Tractor Aircraft Tractor Aircraft View on Wikipedia → ◀ Moskalyev SAM-2 Nikitin NV-2 ▶ Similar Aircraft Yakovlev UT-2 Soviet Union 1930s Yakovlev UT-1 Soviet Union 1930s Yakovlev UT-3 Soviet Union 1930s Nikitin NV-2 Soviet Union 1930s Gribovsky G-25 Soviet Union 1930s Moskalyev SAM-2 Soviet Union 1930s