DISASTERS: Locked Controls

DISASTERS Locked Controls Rudders, ailerons and elevators of grounded aircraft will flap in the wind unless they are kept rigidly locked. Until planes got too big, it was easy enough to walk around outside one after a landing and slip wooden battens over the control surfaces—and to take them off before taxiing out to the runway. But the wings and tails of many modern transports cannot be reached from the ground; rudders present so much surface to a cross wind, moreover, that pilots often find it necessary to keep them locked while taxiing....

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