View all text of Subjgrp 176 [§ 27.671 - § 27.695]

§ 27.679 - Control system locks.

If there is a device to lock the control system with the rotorcraft on the ground or water, there must be means to—

(a) Give unmistakable warning to the pilot when the lock is engaged; and

(b) Prevent the lock from engaging in flight.