What exactly is VDR System?

What exactly is VDR System?

VDR may be a data recorder on board boats which steadily records a variety of critical info. Its goal is to aid with the investigation of accidents relating to ships. This device is essentially a lot like an aeroplane’s black box and will withstand major weather, crashes or fire.

Various detectors are coupled to the system here are the findings via a communication protocol that uses the NMEA 0183 standard which becomes how data is transmitted from a talker (the VDR) to multiple audience. This allows each and every one systems to communicate with each other using a minimum of mistakes. The collected data is normally digitalized and compressed and stored in a tamper-proof storage space unit that may be either a fixed capsule or maybe a float no cost one that can be connected with the EPIRB pertaining to early location in case of an accident.

During normal operation, the VDR is consistently overwritten considering the latest data. Nevertheless , in the event of an accident or incident, it is essential the crew press the preserve button to record the relevant data.

The IMO performance specifications for VDRs state that the info recorded must be able to include: time and time of the automobile accident, ship’s status (latitude, long,, coordinate reference), speed and heading, bridge audio (acquired by microphones placed in order to capture interactions and audible alarms), Very High Consistency radio marketing communications, radar data to record a devoted replica belonging to the display that was in view at the time of recording, key alarms, rudder order and response and hull open positions status.

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