List of Abbreviations
This section contains a list of terms and abbreviations used in the NSR ECDIS NES-3000 documentation.
Term / Abbreviation |
Definition |
|---|---|
AIS |
Automatic Identification System |
ARPA |
Automatic Radar Plotting Aid |
AtoN |
Aids to Navigation |
BNWAS |
Bridge Navigational Watch Alarm System (see Section 21 “BNWAS”) |
BRG |
Bearing |
CATZOC |
Category Zone of Confidence |
CCRP |
Consistent Common Reference Point |
COG |
Course Over Ground |
CPA |
Closest Point of Approach |
CWL |
Construction Water Line |
DDSC |
Digital Distress Communication System |
DIST |
Distance |
DPI |
Dots Per Inch |
DSC |
Digital Selective Call |
ECDIS |
Electronic Chart Display and Information System |
EFPS |
Electronic Fixing and Pilotage System |
ENC |
Electronic Navigational Chart |
EUT |
Equipment Under Test |
GC |
Great Circle — an arc of a great circle on the Earth’s sphere, known in navigation as an orthodrome |
GNSS |
Global Navigation Satellite System |
HDG |
Heading |
HDOP |
Horizontal Dilution Of Precision — reduction in GNSS receiver accuracy in the horizontal plane |
IHO |
International Hydrographic Organization |
IMO |
International Maritime Organization |
ISM |
International Safety Management Code |
MMSI |
Maritime Mobile Service Identity |
NMEA 0183 |
National Marine Electronics Association — a standard defining a text-based communication protocol between marine (typically navigational) equipment |
RADAR |
Radio Detection and Ranging |
RADAR IM |
Radar Image |
RL |
Rhumb Line — a loxodrome, a curve crossing meridians at a constant angle |
RM |
Relative Motion |
RMS |
Root Mean Square |
SENC |
System Electronic Navigational Chart |
SW |
Software |
TCPA |
Time to Closest Point of Approach |
TM |
True Motion |
TRIG |
Trigger — display trigger pulse |
WP |
Waypoint |
XTD |
Cross Track Distance — deviation from the course or the distance from the vessel to the laid course line |