The object in the image is a Netwave Marine Voyage Data Recorder (VDR) protected data capsule. This device is the maritime equivalent of an aircraft’s “black box”.
- It continuously records critical ship data, including navigation information, audio, and engine status, to aid in accident investigations.
- The capsule is designed to be fire-resistant and is often a float-free unit, allowing for retrieval in the event of a sinking.
- An attached acoustic beacon helps locate the capsule underwater.
- International regulations require VDRs on most large passenger and cargo ships to assist in accident analysis.
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