(aviation) A specified region of airspace in which a flight information service and an alerting service are provided.

plural of flight information region

(aviation) A device which records various performance parameters of an aircraft; it is designed to survive severe impact and fire, and, thus, help in finding the causes of an accident.

plural of flight data recorder

plural of flight interruption manifest

(aviation) A usually-unintentional crash of an aircraft in which the aircraft flies into the ground while under full control by its pilots or autopilot.

(physics, chemistry) a technique of separating ions of different masses by measuring the time taken to traverse a fixed distance through a magnetic field

Sightseeing from an aircraft.

plural of flightseer

A person who sightsees from an aircraft.