The Maritime standard terms and abbreviations bible

Here’s a little reminder of all maritime standard terms and abbreviations related to navigation.

A

Acknowledge –> ACK

Acquire, Acquisition –> ACQ

Acquisition Zone –> AZ

Adjust, Adjustment –> ADJ

Aft –> AFT

Alarm –> ALARM

Altitude –> ALT

Amplitude Modulation –> AM

Anchor Watch –> ANCH

Antenna –> ANT

Anti Clutter Rain –> RAIN

Anti Clutter Sea –> SEA

April –> APR

Audible –> AUD

August –> AUG

Automatic –> AUTO

Automatic Frequency Control –> AFC

Automatic Gain Control –> AGC

Automatic Identification System –> AIS

Automatic Radar Plotting Aid –> ARPA

Autopilot –> AP

Auxiliary System/Function –> AUX

Available –> AVAIL

Azimuth Indicator –> AZI

B

Background –> BKGND

Bearing –> BRG

Bearing Waypoint To Waypoint –> BWW

Bow Crossing Range –> BCR

Bow Crossing Time –> BCT

Brilliance –> BRILL

Built in Test Equipment –> BITE

C

Calibrate –> CAL

Cancel –> CNCL

Carried (for example, carried EBL origin) –> C

Central Processing Unit –> CPU

Centre –> CENT

Change –> CHG

Circularly Polarised –> CP

Clear –> CLR

Closest Point of Approach –> CPA

Compact Disk Read Only Memory –> CDROM

Consistent Common Reference Point –> CCRP

Consistent Common Reference System –> CCRS

Contrast –> CONT

Coordinated Universal Time –> UTC

Correction –> CORR

Course –> CRS

Course Over the Ground –> COG

Course Through the Water –> CTW

Course To Steer –> CTS

Course Up –> C UP (Note 2)

Cross Track Distance –> XTD

Cursor –> CURS

D

Dangerous Goods –> DG

Date –> DATE

Day –> DAY

Dead Reckoning, Dead Reckoned Position –> DR

December –> DEC

Decrease –> DECR

Delay –> DELAY

Delete –> DEL

Departure –> DEP

Depth –> DPTH

Destination –> DEST

Deviation –> DEV

Differential GLONASS –> DGLONASS (Note 2)

Differential GNSS –> DGNSS (Note 2)

Differential GPS –> DGPS (Note 2)

Digital Selective Calling –> DSC

Display –> DISP

Distance –> DIST

Distance Root Mean Square –> DRMS (Note 2)

Distance To Go –> DTG

Drift –> DRIFT

Dropped (for example, dropped EBL origin) –> D

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E

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

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

F – Band (applies to Radar) –> F-Band

February –> FEB

Foreword –> FWD

Fishing Vessel –> FISH

Fix –> FIX

Forward –> FWD

Frequency –> FREQ

Frequency Modulation –> FM

Full –> FULL

G

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

H

Harmful Substances (applies to AIS) –> HS

Head Up –> H UP (Note 2)

Heading –> HDG

Heading Control System –> HCS

Heading Line –> HL

High Frequency –> HF

High Speed Craft –> HSC

Horizontal Dilution Of Precision –> HDOP

I

I – Band –> I-Band

Identification –> ID

In –> IN

Increase –> INCR

Indication –> IND

Information –> INFO

Infrared –> INF RED

Initialisation –> INIT

Input –> INP

Input/Output –> I/O

Integrated Bridge System –> IBS

Integrated Navigation System –> INS

Integrated Radio Communication System –> IRCS

Interference Rejection –> IR

Interswitch –> ISW

Interval –> INT

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J

January –> JAN

July –> JUL

June –> JUN

L

Label –> LBL

Latitude –> LAT

Latitude/Longitude –> L/L

Leeway –> LWY

Limit –> LIM

Line Of Position –> LOP

Log –> LOG

Long Pulse –> LP

Long Range –> LR

Longitude –> LON

Loran –> LORAN

Lost Target –> LOST TGT

Low Frequency –> LF

M

Magnetic –> MAG

Man Overboard –> MOB

Manoeuvre –> MVR

Manual –> MAN

Map(s) –> MAP

March –> MAR

Maritime Mobile Services Identity number –> MMSI

Maritime Pollutant (applies to AIS) –> MP

Maritime Safety Information –> MSI

Marker –> MKR

Master –> MSTR

Maximum –> MAX

May –> MAY

Medium Frequency –> MF

Medium Pulse –> MP

Menu –> MENU

Minimum –> MIN

Missing –> MISSING

Mute –> MUTE

N

Navigation –> NAV

Night –> NT

Normal –> NORM

North –> N

North Up –> N UP (Note 2)

Not Less Than –> NLT

Not More Than –> NMT

Not Under Command –> NUC

November –> NOV

O

October –> OCT

Off –> OFF

Officer On Watch –> OOW

Offset –> OFFSET

On –> ON

Out/Output –> OUT

Own Ship –> OS

P

Panel Illumination –> PANEL

Parallel Index Line –> PI

Past Positions –> PAST POSN

Passenger Vessel –> PASSV

Performance Monitor –> MON

Permanent –> PERM

Person Overboard –> POB

Personal Identification Number –> PIN

Pilot Vessel –> PILOT

Port/Portside –> PORT

Position –> POSN

Positional Dilution Of Precision –> PDOP

Power –> PWR

Predicted –> PRED

Predicted Area of Danger –> PAD

Predicted Point of Collision –> PPC

Pulse Length –> PL

Pulse Modulation –> PM

Pulse Repetition Frequency –> PRF

Pulse Repetition Rate –> PRR

Pulses Per Revolution –> PPR

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R

Racon –> RACON

Radar –> RADAR

Radar Plotting –> RP

Radius –> RAD

Rain –> RAIN

Range –> RNG

Range Rings –> RR

Raster Chart Display System –> RCDS

Raster Navigational Chart –> RNC

Rate Of Turn –> ROT

Real-time Kinemetic –> RTK

Receive Rx –> RX (Note 2)

Receiver –> RCDR

Receiver Autonomous Integrity Monitoring –> RAIM

Reference –> REF

Relative –> REL (Note 3)

Relative Motion –> RM

Revolutions per Minute –> RPM

Rhumb Line –> RL

Roll On/Roll Off Vessel –> RoRo

Root Mean Square –> RMS

Route –> ROUTE

S

Safety Contour –> SF CNT

Sailing Vessel –> SAIL

Satellite –> SAT

S-Band –> S-BAND

Scan to Scan –> SC/SC

Search And Rescue –> SAR

Search And Rescue Transponder –> SART

Search And Rescue Vessel –> SARV

Select –> SEL

September –> SEP

Sequence –> SEQ

Set (i.e., set and drift, or setting a value) –> SET

Ship’s Time –> TIME

Short Pulse –> SP

Signal to Noise Ratio –> SNR

Simulation –> SIM (Note 4)

Slave –> SLAVE

South –> S

Speed –> SPD

Speed and Distance Measuring Equipment –> SDME

Speed Over the Ground –> SOG

Speed Through the Water –> STW

Stabilized –> STAB

Standby –> STBY

Starboard/Starboard Side –> STBD

Station –> STN

Symbol(s) –> SYM

Synchronised/Synchronous –> SYNC

T

Target –> TGT

Target Tracking –> TT

Test –> TEST

Time –> TIME

Time Difference –> TD

Time Dilution Of Precision –> TDOP

Time Of Arrival –> TOA

Time Of Departure –> TOD

Time to CPA –> TCPA

Time To Go –> TTG

Time to Wheel Over Line –> TWOL

Track –> TRK

Track Control System –> TCS

Tracking –> TRKG

Trail(s) –> TRAIL

Transmit and Receive –> TXRX (Note 2)

Transceiver –> TCVR

Transferred Line Of Position –> TPL

Transmit –> TX

Transmitter –> TMTR

Transmitting Heading Device –> THD

Transponder –> TPR

Trial –> TRIAL (Note 4)

Trigger Pulse –> TRIG

True –> T

True Motion –> TM

Tune –> TUNE

U

Ultrahigh Frequency –> UHF

Uninterruptible Power Supply –> UPS

Universal Time, Coordinated –> UTC

Universal Transverse Mercator –> UTM

Unstabilised –> UNSTAB

V

Variable Range Marker –> VRM

Variation –> VAR

Vector –> VECT

Very High Frequency –> VHF

Very Low Frequency –> VLF

Vessel Aground –> GRND

Vessel at Anchor –> ANCH

Vessel Constrained by Draught –> VCD

Vessel Engaged in Diving Operations –> DIVE

Vessel Engaged in Dredging or Underwater Operations –> DRG

Vessel Engaged in Towing Operations –> TOW

Vessel Not Under Command –> NUC

Vessel Restricted in Manoeuvrability) –> RIM

Vessel Traffic Service –> VTS

Vessel Underway Using Engine –> UWE

Video –> VID

Visual Display Unit –> VDU

Voyage –> VOY

Voyage Data Recorder –> VDR

W

Warning –> WARNING

Water –> WAT

Waypoint –> WPT

Waypoint Closure Velocity –> WCV

West –> W

Wheel Over Line –> WOL

Wheel Over Point –> WOP

Wheel Over Time –> WOT

World Geodetic System –> WGS

X

X-Band –> X-BAND

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