Definition: Retractable undercarriage

Landing gear is the undercarriage of an aircraft and may be used for either takeoff or landing. Some aircraft have retractable undercarriages, which fold away during flight to reduce drag.

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Retractable undercarriage

Landing gear is the undercarriage of an aircraft and may be used for either takeoff or landing. Some aircraft have retractable undercarriages, which fold away during flight to reduce drag.

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