Come to a complete stop without any vertical bounce or dip, and little to no lateral wobble or drifting.
Come to a complete stop without any vertical bounce or dip, and little to no lateral wobble or drifting.
直升机停止上升后，机体需保持完全静止不动，不可有任何的垂直上升或下降，机体不可左右摇晃或漂移。