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VDR & S VDR, ‍and Comparison between VDR & S-VDR recording data

VDR & S-VDR

Simplified Voyage Data Recorder (S-VDR), as defined by the requirements of IMO Performance Standard MSC.163(78),is a lower cost simplified version VDR for small ships with only basic ship’s data recorded. It is not required to store the same level of detailed data as a standard VDR, but nonetheless should maintain a store, in a secure and retrievable form, of information concerning the position, movement, physical status, command and control of a vessel over the period leading up to and following an incident.

Hence, the principle difference between VDR and S-VDR lays in the requirements for recording of additional data.

 Comparison between VDR & S-VDR recording data

INPUT

VDR

SVDR

Date and time

OK

OK

Ship’s position

OK

OK

Speed

OK

OK

Heading

OK

OK

Bridge audio

OK

OK

Communication audio

OK

OK

Radar data

OK

 

AIS (Radar Alternative)

OK

 

Acceleration/Hull stress

OK

 

Echo Sounder

OK

 

Engine Order and response

OK

 

Hull opening status

OK

 

Rudder order and response

OK

 

Wind speed and direction

OK

 

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