In-flight crew relief

Common card · No. 335351

In-flight crew relief (commonly referred in noun form as the relief aircrew, relief flight crew, or just relief crew), is a term used in commercial aviation when referring to the members of an aircrew intended to temporarily relieve active crew members of their duties during the course of a flight. The term and its role are almost exclusively applied to the secondary pilots of an aircrew, commonly referred to as relief pilots, that relieve the primary and active captain and/or first officer (co-pilot) in command of an aircraft to provide prolonged breaks for rest or sleep opportunities.

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