The helicopter does not have to be pirouetting when the Autorotation starts.
The helicopter does not have to be pirouetting when the Autorotation starts.
在执行熄火降落的动作之前，机体不须保持自旋。
The helicopter does not have to be pirouetting when the Autorotation starts.
在执行熄火降落的动作之前，机体不须保持自旋。