IMHO ECDIS
IMO ECDIS
IMO RESOLUTION A.817 (19)
PERFORMANCE STANDARDS FOR ELECTRONIC CHART DISPLAY AND
INFORMATION SYSTEMS (ECDIS)
……
APPENDIX 2
SENC INFORMATION AVAILABLE FOR DISPLAY DURING ROUTE PLANNING
AND ROUTE MONITORING
1. Display base
Permanently retained on the ECDIS display, consisting of:
coastline (high water);
own ship's safety contour, to be selected by the mariner;
indication of isolated underwater dangers of depths less than the safety contour which lie within the safe waters defined by the safety contour;
indication of isolated dangers which lie within the safe water defined by the safety contour such as bridges, overhead wires, etc., and including buoys and beacons whether or not these are being used as aids to navigation;
traffic routeing systems;
scale, range, orientation and display-mode;
units of depth and height.
2. Standard display
To be displayed when the chart is first displayed by ECDIS, consisting
of:
Display Base
drying line
indication of fixed and floating aids to navigation
boundaries of fairways, channels, etc.
visual and radar conspicuous features
prohibited and restricted areas
chart scale boundaries
indication of cautionary notes
All other information displayed individually on demand, for
example:
spot soundings
submarine cables and pipelines
ferry routes
details of all isolated dangers
details of aids to navigation
contents of cautionary notes
ENC edition date
geodetic datum
magnetic variation
graticule
place names