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NAV 44/7

INTERNATIONAL HYDROGRAPHIC ORGANIZATION (IHO)
INTERNATIONAL MOBILE SATELLITE ORGANIZATION (Inmarsat)
INTERNATIONAL COMMITTEE OF THE RED CROSS (ICRC)
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)
INTERNATIONAL FEDERATION OF FREE TRADE UNIONS (ICFTU)
INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)
INTERNATIONAL ASSOCIATION OF LIGHTHOUSE AUTHORITIES (IALA)
INTERNATIONAL RADIO-MARITIME COMMITTEE (CIRM)
FRIENDS OF THE EARTH INTERNATIONAL (FOEI)
INTERNATIONAL FEDERATION OF SHIPMASTERS' ASSOCIATION (IFSMA)
INTERNATIONAL COUNCIL OF CRUISE LINES (ICCL)
INTERNATIONAL ROAD TRANSPORT UNION (IRU)

2    NAVIGATIONAL AIDS AND RELATED MATTERS

Geodetic Datums

2.1   The Group considered NAV 43/7/4 (IEC) concerning problems with the use of geodetic datums
and considered that it would be appropriate to issue a SN circular containing
recommendations/guidelines with respect to the safety aspects of the use of different datums. Some further information on datums is given in annex 1. Members were invited to provide their comments and proposals thereon for NAV 44.

RCDS

2.2   The Group prepared draft performance standards for Raster Chart Display Systems (RCDS) (NAV 43/WP.2, annex 2) and were of the opinion that a SN circular should be prepared with regard to guidelines on the safe operational use of RCDS. A draft was prepared as given in annex 2. Further information on the limitations of RCDS vis a vis ECDIS may be a useful addition. Members were invited to provide comments and proposals thereon for NAV 44.

Sound Reception Systems

2.3   The Group noted that it had completed draft performance standards for Sound Reception Systems during its meeting at NAV 42. These are reproduced in annex 3. Members were invited to provide any further comments and proposals thereon for NAV 44.

Night Vision Equipment

2.4   The Group noted that the development of performance standards for Night Vision Equipment will be an agenda item for NAV 44 following a decision by MSC 68. Two relevant papers had been submitted - NAV 42/7/1O (Germany) and NAV 43/13/3 (United Kingdom). Members were invited to provide comments and proposals thereon for NAV 44.

3    ITU MATTERS, INCLUDING RADIOCOMMUNICATION ITU-R STUDY GROUP 8 MATTERS

Radiolocation Systems

     The Group noted that the ITU-R Study Groups have generated a new question (Q.216/8) concerning the technical compatibility of radionavigation systems and radiolocation systems. One item to be studied will be the introduction of radiolocation systems into the band 2.9-3 . 1 GHZ which is widely used by marine radars. Members were invited to generate an IMO view on this sharing issue and provide comments and proposals thereon for NAV 44.

4    ACTION REQUESTED OF THE SUB-COMMITTEE

The Sub-Committee is invited to consider this report and decide as appropriate.

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