Glossary of Airline Terminology

Flight Data Recorder (FDR)

Records pertinent technical information about a flight. An FDR will record information about the performance of various aircraft systems, as well as the aircraft’s speed, altitude, heading and other flight parameters. Like a cockpit voice recorder (CVR), a flight data recorder is designed to withstand the forces of a crash, so that its information can be used to reconstruct the circumstances leading up to the accident (the more recent and sophisticated FDR is known as a digital flight data recorder, or DFDR).

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