In relation to the installation of VDR systems and AIS systems on Greek Flag Ships, ClassNK has received instructions from the Ministry of Merchantile Marine Commercial Ships Control Branch.

Shipowners and Shipbuilders are requested to meet with the following requirements for their installation and inspection.

1. Voyage Data Recorder (VDR)
Instructions and clarifications for implementation of IEC Standard 61996 1st edition (2000-7) "Shipborne voyage data recorder (VDR) ? Performance requirements ? Methods of testing and required test results".
(1) Documents to be submitted
The following certificates/documents are to be submitted on a ship by ship basis to the Ministry of Merchantile Marine Commercial Ships Control Branch at least 7 days prior to onboard verification of the VDR system:
(I) Type approval of the VDR devices, including interfaces;
(ii) Full list of VDR equipment (Central Unit, interfaces, alarms, power supply unit, etc);
(iii) Electric diagram / Block diagram of the system including connection with the external power supply;
(iv) General arrangement of all associated equipment;
(v) Full list of installation devices connected to the VDR including sensors description, Signals description, Signals format, Relevant interface and Type and number of associated cables; and
(vi) Any special information required by subject Standard (Manufacturer's document)
Information for use by an investigation authority.
(2) Operational data to be recorded by the VDR
The detailed description of operational data to be recorded is to be found on the attached sheets.
(3) Installation and Inspection
(I) Power supply source
All VDR equipment (including interfaces, alarm units etc.), should be supplied by an emergency power source.
(ii) Position of alarm unit
The alarm unit of the VDR is to be installed on the bridge.