Voyage data recorders (VDR) collect data from ships, process and store sensor data to provide valuable information in the aftermath of an incident on the water. They are essentially black boxes for the maritime industry, designed to pinpoint the root of a marine accident and contribute to prevention.
VDRs and SVDRs should be installed on all vessels with a gross weight of 3,000 or more, built after July 1 2002. A VDR/SVDR is a storage device that can endure pressures and shocks from incidents in the marine environment, such as sinking, collision, or fire.
The system is designed to gather data from various shipboard sensors, and then digitize and compress it, and then store it inside a externally-mounted protective storage unit. The tamperproof box is designed to withstand extreme shock, impact and heat, as well as pressures, that may be encountered in a marine incident, like a collision or fire.
Members may wish to upgrade their VDR/SVDR system so they can keep data for a longer period. In the moment, the IMO performance standard only requires the VDR/S/VDR to keep data for a maximum of 12 hours after the incident, before it is erased.
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 onboard technical issues to be diagnosed remotely and aids in the implementation of proactive maintenance procedures. Regular shoreside playbacks help bridge teams in analyzing the trends in their performance and identifying areas for improvement.
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