Appendix-3
Term Abbreviation
Destination DEST
Deviation DEV
Differential GLONASS DGLONASS
a
Differential GNSS DGNSS
a
Differential GPS DGPS
a
Digital Selective Calling DSC
Display DISP
Distance DIST
Distance Root Mean
Square
DRMS
a
Distance To Go DTG
Drift DRIFT
Dropped (for example,
dropped EBL origin)
D
East E
Echo Reference REF
Electronic Bearing Line EBL
Electronic Chart Display
and Information System
ECDIS
Electronic Chart System ECS
Electronic Navigational
Chart
ENC
Electronic Position Fixing
System
EPFS
Electronic Range and
Bearing Line
ERBL
Emergency Position
Indicating Radio Beacon
EPIRB
Emergency Position
Indicating Radio Beacon –
AIS
EPIRB-AIS
Enhance ENH
Enter ENT
Equipment EQUIP
Error ERR
Estimated Position EP
Estimated Time of Arrival ETA
Estimated Time of
Departure
ETD
European Geo-Stationary
Navigational Overlay
System
EGNOS
Event EVENT
Exclusion Zone EZ
External EXT
F-Band (applies to radar) F-Band
February FEB
Foreword FWD
Fishing Vessel FISH
Term Abbreviation
Fix FIX
Forward FWD
Frequency FREQ
Frequency Modulation FM
Full FULL
Gain GAIN
Geographics GEOG
Geometric Dilution Of
Precision
GDOP
Global Maritime Distress
and Safety System
GMDSS
Global Navigation Satellite
System
GNSS
Global Orbiting Navigation
Satellite System
GLONASS
Global Positioning System GPS
Great Circle GC
Grid GRID
Ground GND
Grounding Avoidance
System
GAS
Group Repetition Interval GRI
Guard Zone GZ
Gyro GYRO
Harmful Substances
(applies to AIS)
HS
Head Up H UP
a
Heading HDG
Heading Control System HCS
Heading Line HL
High Frequency HF
High Speed Craft HSC
Horizontal Dilution Of
Precision
HDOP
Identification ID
In IN
Increase INCR
Indication IND
Information INFO
Infrared INF RED
Initialisation INIT
Input INP
Input/Output I/O
Integrated Navigation
System
INS
Integrated Radio
Communication System
IRCS
Interference Rejection IR