Gribovsky G-15 Gribovsky G-20 Gribovsky G-21 Gribovsky G-23 Gribovsky G-27 Mikoyan-Gurevich MiG-8 Utka Polikarpov Po-2 Shcherbakov Shche-2 Yakovlev UT-1 Yakovlev UT-2 Yakovlev Yak-6 Yakovlev Yak-12 Yakovlev Yak-18