Together, the FDR and CVR objectively document the aircraft's flight history, which may assist in any later investigation. The two devices may be combined into a single unit. There are two types of flight recording devices: the flight data recorder ( FDR) preserves the recent history of the flight through the recording of dozens of parameters collected several times per second the cockpit voice recorder ( CVR) preserves the recent history of the sounds in the cockpit, including the conversation of the pilots.
Flight recorders are also known by the misnomer black box-they are, in fact, painted bright orange in color to aid in their recovery after accidents.
(Translation of warning message in French: "Flight recorder do not open".) The warning appears in English on the other side.Ī flight recorder is an electronic recording device placed in an aircraft for the purpose of facilitating the investigation of aviation accidents and incidents. An example of a flight data recorder the underwater locator beacon is the small cylinder on the far right.
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