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Here is a list of some of the most frequently asked questions about ECDIS. Put in simpler terms it is a computer-based navigation system that integrates electronic navigational charts (ENC), position information from the Global Positioning System (GPS) and other navigational sensors, such as radar, fathometer and automatic identification systems (AIS) to provide an alternative to paper navigation charts. A timetable of the implementation dates can be found below. IMO requirements are for all vessels engaged on international voyages to carry nautical charts on board.

If you can't find the answer to your question in the list below then feel free to click on the contact us button at the bottom of the page and ask us your question. Nautical charts can be in analogue form (paper charts) or digital (electronic charts).

To comply with the IMO regulations you will be required to install an ECDIS with type approval from the recognised organisations or marine classification societies nominated by flag states within the timescale shown in the above timetable.

However, only charts issued by or on the authority of a government and official Hydrographic Office are classified as official charts and authorised to fulfil carriage requirements.

The ENC contains all the chart information useful for safe navigation, and may contain supplementary information in addition to that contained in the paper, which may be considered necessary for safe navigation. An ECDIS converts ENC data into its own internal SENC format for optimal chart image creation. “The System Electronic Navigational Chart (SENC) means a database resulting from the transformation of the ENC by ECDIS for appropriate use, updates to the ENC by appropriate means and other data added by the mariner. RCDS is an acronym for Raster Chart Display System. Bridge officers / OOW should receive flag state approved general ECDIS training that follows the IMO Model Course 1.27 (40 hours) to satisfy the IMO Standards for Training Certification and Watchkeeping (STCW).

I will demonstrate using JRC ECDIS and Chartco but the basic procedures will be same for other makes of ECDIS.The correct approach is comparison with the paper chart. I believe if everyone deal with ECDIS with that approach, it will just be a cake walk. If we know how to do each of this on ECDIS, we know most about ECDIS.Do you know how to do all this on ECDIS and with ENCs ?Rightly so, after all we see our ship all the times on the chart.

No more worries of plotting the ship’s position manually and no chances of human error in plotting the positions on paper chart.But there are many of us, who do not still agree with this.