From Autorotation to Safe Landing

Autorotation landing is a special manoeuvre for helicopter when the engine failed. In this situation, it requires the pilot's accurate management, correct judgment and decision on time to enter into steady autorotation. After entry into steady autorotation, then according to the flight altitude and speed, select the landing position, flare from autorotation, and perform a power-off landing successfully.Herein, it will be discussed how the helicopter performs the autorotation when losing the power, including the affecting factors. And refer to the airworthiness regulation, review the relevant sections, discuss the concerning aspect in the certification flight.Finally, it will through reviewing the autorotation flight compliance report of a helicopter, to understand those concerning aspects.