Aircrew, also called flight crew, are personnel who operate an aircraft while in flight. The composition of a flight's crew depends on the type of aircraft, plus the flight's duration and purpose.

Commercial aviation

Flight deck positions

In commercial aviation, the aircrew are called flight crew. Some flight crew position names are derived from nautical terms and indicate a rank or command structure similar to that on ocean-going vessels, allowing for quick executive decision making during normal operations or emergency situations. Historical flightdeck positions include:
aircrew from Alpine Helicopters scramble on a medical evacuation mission.
crew members can consist of:
From the start of military aviation, additional crew members have flown on military aircraft. Over time these duties have expanded: