What is the purpose of wheel chocks and when should they be used on the ground?

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Multiple Choice

What is the purpose of wheel chocks and when should they be used on the ground?

Wheel chocks keep an aircraft from rolling on the ground by blocking the wheels when the airplane is not moving. They are placed against the wheels whenever the aircraft is parked or stationary, such as during boarding, fueling, loading, or maintenance, to guard against movement from wind, slope, or inadvertent brake failure. They should be removed before taxiing or taking off because they would interfere with wheel rotation and could cause damage or loss of control if left in place during movement. In short, use chocks to immobilize the aircraft on the ground, and remove them whenever the aircraft is about to move.

Wheel chocks keep an aircraft from rolling on the ground by blocking the wheels when the airplane is not moving. They are placed against the wheels whenever the aircraft is parked or stationary, such as during boarding, fueling, loading, or maintenance, to guard against movement from wind, slope, or inadvertent brake failure. They should be removed before taxiing or taking off because they would interfere with wheel rotation and could cause damage or loss of control if left in place during movement. In short, use chocks to immobilize the aircraft on the ground, and remove them whenever the aircraft is about to move.

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