aircraft

Aviation safety monitoring commonly uses indicators such as aircraft proximity events, runway incursions, and pilot reports about controller responses to assess operational risk and determine whether restrictions are necessary.

Airlines typically require several days to restore normal operations after large-scale schedule reductions because aircraft and flight crews can be out of position and must be repositioned.

Aircraft operators rely on continuous access to spare parts and maintenance components, and restrictions on parts supply can impair aircraft operation and maintenance.

Amphibious assault ships are naval vessels designed to carry and support a variety of aircraft and embarked Marines or troops for expeditionary operations.

A stick shaker is an aircraft warning device that vibrates the pilot's control column to warn of an impending aerodynamic stall.

Ferrying fuel is the practice of instructing incoming aircraft to fill their fuel tanks to capacity before arrival to ensure sufficient on-site fuel availability.

Separation of an engine and its pylon from an aircraft can lead to catastrophic loss of control of the airplane.

Heightened military activity or security threats in or around a country's airspace can pose potential risks to aircraft at all altitudes, including during overflight, the arrival and departure phases, and to airports and aircraft on the ground.