4 Definitions
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) - 4 Definitions

4 Definitions

  4.1 Voyage data recorder (VDR) means a complete system, including any items required to interface with the sources of input data, for processing and encoding the data the final recording medium in its capsule, the power supply and dedicated reserve power source.

  4.2 Sensor means any unit external to the VDR, to which the VDR is connected and from which it obtains data to be recorded.

  4.3 Final recording medium means the item of hardware on which the data is recorded such that access to it would enable the data to be recovered and played back by use of suitable equipment.

  4.4 Playback equipment means the equipment, compatible with the recording medium and the format used during recording, employed for recovering the data. It includes also the display or presentation hardware and software that is appropriate to the original data source equipment.footnote

  4.5 Dedicated reserve power source means a secondary battery, with suitable automatic charging arrangements, dedicated solely to the VDR, of sufficient capacity to operate it as required by paragraph 5.3.2.

Parent topic: Annex - Recommendation on Performance Standards for Shipborne Voyage Data Recorders (VDRs)
Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.