Voyage Data Recorders (VDR)

- 20 de janeiro de 2024

Voyage Data Recorders (VDR) are devices that collect, process and record sensor inputs from ships to provide valuable information following an incident. They are essentially maritime black boxes designed to help determine the root of marine accidents and contribute to their prevention.

VDRs and S-VDRs are fitted to all vessels of at least 3,000 gross tons and up that were built on or after 1 July 2002. A VDR/S-VDR is a fixed electronic storage medium that is tamperproof sealed in a capsule, capable of enduring the pressures and shocks associated to a marine event like collision, fire or sinking.

The system is designed to collect data from a variety sensors on board a ship, digitizing and compressing it before storing it in a protective storage unit mounted externally. The tamperproof capsule was designed to withstand the severe heat, shock, impact and pressures encountered in a marine accident like a collision or fire.

Members may want to upgrade their VDR/SVDR systems so that they can retain data for a longer period. Presently, IMO performance standards only require the VDR/SVDR to retain data for 12 hours after an incident.

A growing number of companies offer a MantaDigital S-VDR that can be accessed from a distance similar to how airlines’ FDR data are analyzed following an incident. This allows technical issues onboard to be identified remotely and aids in the implementation of proactive maintenance processes. Regular shoreside replays enable bridge teams understand patterns in their performance and identify improvement opportunities.

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Written by wadminw