Topic summary
Cockpit voice recorder
Extracted from the Wikipedia article Flight recorder.
Cockpit voice recorder
A cockpit voice recorder (CVR) is a flight recorder used to record the audio environment in the flight deck of an aircraft for the purpose of investigation of accidents and incidents. This is typically achieved by recording the signals of the microphones and earphones of the pilots' headsets and of an area microphone in the roof of the cockpit. The current applicable FAATSO is C123b titled Cockpit Voice Recorder Equipment.