5.1 General
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Resolutions - Assembly - IMO Resolution A.861(20) - Performance Standards for Shipborne Voyage Data Recorders (VDRs) - (adopted on 27 November 1997) This Resolution applies to VDRs installed before 01 July 2014 - Annex - Recommendation on Performance Standards for Shipborne Voyage Data Recorders (VDRs) - 5 Operational Requirements - 5.1 General

5.1 General

  5.1.1 The VDR should continuously maintain sequential records of preselected data items relating to the status and output of the ship's equipment, and command and control of the ship, referred to in 5.4.

  5.1.2 To permit subsequent analysis of factors surrounding an incident, the method of recording should ensure that the various data items can be co-related in date and time during playback on suitable equipment.

  5.1.3 The final recording medium should be installed in a protective capsule which should meet all of the following requirements:

  • .1 be capable of being accessed following an incident but secure against tampering;

  • .2 maximize the probability of survival and recovery of the final recorded data after any incident;

  • .3 be of a highly visible colour and marked with retro-reflective materials. and

  • .4 be fitted with an appropriate device to aid location.

  5.1.4 The design and construction. which should be in accordance with the requirements of Resolution A.694(17) and international standards acceptable to the Organization,footnote should take special account of the requirements for data security and continuity of operation as detailed in paragraphs 5.2 and 5.3.

Parent topic: 5 Operational Requirements
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