Mi 4 for People Playground

Originally from the Soviet Union, developed after the War, it entered service in the 1950s and sold to more than thirty countries, and the Zhi 5 is this imitation

(The author removed the magic vertical left-to-right details and tried to restore realistic helicopter piloting. Note: A certain pitch will cause the helicopter to crash out of control）

M engine H nose offset up J head offset W vertical rise X vertical descent Y machine gun comma","machine gun offset down period". "The machine gun is offset upwards r missile