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Tag Archives: ENC

ECDIS (Backbone of Bridge)

ELECTRONIC CHARTS There are two types of Electronic Charts available:a) Raster Navigational Charts (RNC).b) Electronic Navigational Charts (ENC). RASTER NAVIGATIONAL CHARTS (RNC) A RNC is a raster chart that conforms to International Hydrographic Organization (IHO) specifications and is produced by digitally scanning a paper chart

ENC chart correction

ENC CHART CORRECTION

ENCs are updated by weekly ‘Notices to Mariners’ issued by Hydrographic Offices / Regional ENC co-ordination centers ( RENC) and corrections are received on the vessel either by email or data file (AVCS DVD). The actual updating is either applied to the ECDIS chart database

USE OF ECDIS IN RCDS MODE

All navigable waters are not yet covered by ENC data and vessel may be required to use ECDIS in Raster Chart Display System (RCDS) mode using ARCS / approved raster charts. If suitable ENC charts are not available from any source, then the use of

ECDIS

General ECDIS allows for monitoring of a ship’s position in real-time throughout the voyage and integrates information from GPS, Gyro, Radar, ARPA, AIS and other navigational equipments into a single display. It has several advantages over paper charts as listed below; Continuous route monitoring Continuous