NAV 44/7/8
Appendix A
DRAFT
APPENDIX 7
RCDS MODE OF OPERATION
Whenever in this appendix reference is made
to provisions of the Annex related to ECDIS, ECDIS must be
substituted by RCDS, SENC by SRNC and ENC by RNC, as
appropriate.
All paras of the Annex related to ECDIS are
indicated as to whether they apply to RCDS, do not apply to
RCDS, or are modified in order to apply to RCDS. These paras
are followed by additional requirements for ECDIS in the RCDS
mode.
1. INTRODUCTION
1.1 Para applies to RCDS.
1.2 When used in the RCDS mode of
operation, an ECDIS with adequate back-up arrangements (see
Appendix 6) used together with an appropriate folio of
up-to-date paper charts as determined by the national
administration (e.g., a chart folio composed of up-to-date
charts of smaller scale than the RNCs used for navigation)
may be accepted as complying with regulation V/20 of the 1974
SOLAS Convention.
1.3-1.7 Paras apply to RCDS.
1.8 RCDS should provide appropriate
alarms or indications with respect to the information
displayed or malfunction of the equipment (see Table 1 of
this Appendix).
2. DEFINITIONS
2.1 Raster Chan Display System CRCDS)
means a navigation information system displaying RNCs with
positional information from navigation sensors to assist the
mariner in route planning and route monitoring, and if
required. display additional navigation-related information.
2.2 Raster Navigational Chart (RNC)
means a facsimile of a paper chart originated by. or
distibuted on the authority of, a government-authorized
hydrographic office. RNC is used in these standards to mean
either a single chart or a collection of charts.
2.3 System Raster Navigational Chart
Database (SRNC) means a database resulting from the
transformation of the RNC by the RCDS to include updates to
the RNC by appropriate means.
2.4-2.5 Do not apply to RCDS.
2.6 Dces apply to RCDS.
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