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The vdr system is a recording device which usually records info from on side sensors and devices. This consists of radar, direction-finding instruments etc and then compresses this information into a single stream that is transmitted to the alleged FRM or final saving medium.

It process can be supervised by bridge team to ensure that all relevant info is recorded correctly. In this manner the ship’s safety and integrity can be protected.


The VDR is a pc which is in a position of quickly preserving and recording info from on side devices and sensors. This can range from the ship’s navigational products, weather section and acoustic monitoring products.

It is also capable of record data from other types of onboard equipment including the EPIRB and also the ships’ conversation systems. These data are refined and placed within the computer before being delivered to the so-called FRM or final record medium, which is an commercial grade computer that welcomes data by all on-ship sensors.

During an automobile accident the data coming from various sources is usually fed in to the computer that then gathers it and saves this for a amount of at least 12 hours prior to it is overwritten. This means that if there is an accident as well as the crew promotes the save key it will be possible meant for the staff to find the evidence of the mishap, enabling these to get on with the rescue experditions.

It is recommended that the saving of VDR/S-VDR data should be performed during crisis drills, so that the bridge crew becomes knowledgeable about the procedure of the apparatus. It is also recommended that the vessel’s safety management should include a section on how to save the data for protecting of evidence in the event of an accident.