212km/h. 3 RUSSIA (TRAINER) 1943 IMAGE YAKOLEV-18  The Yakovlev Yak-18 ( Russian : ??-18 , also transcribed as Jak-18, NATO reporting name Max) was a Soviet tandem two-seat military primary trainer aircraft . Originally powered by one 119 kW (160 hp) Shvetsov M-11 FR-1 radial piston engine , it entered service in 1946