B737Theory - Cockpit Voice Recorder System The Voice Recorder Unit (VRU) is water, shock, and heatproof and is located in the aft cargo compartment. The CVR controls are on the fwd overhead
The History of the Flight Data Recorder – Airways
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Cockpit Voice Recorder | How to download CVR data - YouTube
Datei:Black Box Cockpit Voice Recorder, Model AV557D, Sunderstrand Data Control, Inc., c. 1990s - National Electronics Museum - DSC00090.JPG – Wiktionary
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