Acronyms

From International Dictionary of Marine Aids to Navigation
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The following is a list of acronyms used in IALA documents (Updated 10. July 2016).

A
ampere
A R and M
Availability, Reliability and Maintainability
A of U
Angle of Uncertainty :
AAAAA
American Association Against Acronym Abuse
ABM
Addressed Binary Message
AC
Alternating Current
ACCSEAS
Accessibility for Shipping, Efficiency Advantages and Sustainability (EU research project)
ACK
Acknowledge
ACT
Australian Capital Territory
AFS
Anti-Fouling System (paint)
AGM
Absorbed Glass Matt
AHO
Australian Hydrographic Office
AIS
Automatic Identification System
AIS 1
AIS Default Channel 1 - 161.975 MHz (Ch. 87B//2087)
AIS 2
AIS Default Channel 2 - 162.025 MHz (Ch. 88B/2088
AIS-AtoN
AIS-Aid to Navigation transponder
AIS-SART
AIS Search and Rescue Transmitter
AISM
Association Internationale de Signalisation Maritime (Title of IALA in French)
ALL
Admiralty List of Light (UK)
AMSA
Australian Maritime Safety Authority
API
Application Programming Interface
APL
Accredited Prior Learning
AREPS
Advanced Refractive Effects Prediction System
ARM
Aids to Navigation Requirements and Management Committee (IALA)
ARPA
Automatic Radar Plotting A
AS/NZ
Australia/New Zealand
ASCII
American Standard Code for Information Interchange
ASF
Additional secondary fact
ASL
Above Sea Level
ASM
Application Specific Message
ASM1
ENAV19-11.4 Figure 1
ASM2
ENAV19-11.4 Figure 1
ASP
Application Service Provider (LRIT)
ATBA
Area to be avoided
ATO
Accredited Training Organisation
ATP
Acceptance Test Plan
ATU
Antenna Tuning Unit
ATU
Automatic Tuning Unit
AV
Audio / Visual
AVC
Aviation Communication Service of the CSS
AWG
American Wire Gauge
AW־¹
Guideline 1067
Ah
Ampere hour
Ah/day
Ampere hour per day
App
Application
AppServ
Application server
AtoN
Aid to Navigation
B
Centre of buoyancy
B0
Initial centre of Buoyancy
B1
Heeled centre of Buoyancy
BAS
ENAV19-13.6 Figure 16
BB
Bulletin Board
BBM
Broadcast Binary Message
BCA
Building Code of Australia
BES
Bridge Equipment System
BIMCO
Baltic and International Maritime Council (vessel contract agreements)
BITE
Built In Test Equipment
BNG
New Generation Buoy
BOD
Biological Oxygen Demand
BRM
Bridge Resource Management
BS
British Standard
BSC
Base Station Controller
BoM
Bureau of Meteorology (Australia)
BoM
metacentric radius
C
Capacitance
C
Celsius (previously Centigrade)
C
Contrast
C/10
A charge rate in amps of one-tenth the overall battery capacity in amp-hours
CA
Competent Authority
CAD
Computer-Aided Design
CAIM
Craft Autonomous Integrity Monitoring
CAP
Capability
CAR
Contractors All Risk (insurance)
CARPET
Computer Aided Radar Performance Evaluation Tool
CAT
Customer Acceptance Test
CATZOC
Category of Zone of Confidence
CB
Capacity Building
CBM
Condition-Based Maintenance
CCTV
Closed-Circuit Television
CD
Chart Datum
CD
Coding Delay
CE
Conformité Européenne
CGI
Computer Graphics Image
CH
Channel
CHC
Canadian Hurricane Centre
CIE
Commission Internationale de l'Eclairage (International Commission on Illumination)
CIRM
Comité International Radio-Maritime
CM
Corrective Maintenance
CMDS
Common Maritime Data Structure
CME
Coronel Mass Ejection (solar flare)
COG
Course over Ground
COLREGS
Convention on the International Regulations for Preventing Collisions at Sea (1972) (as amended)
COMSAR
Sub-Committee on Communications and Search and Rescue (IMO)
COPREP
Coast of Portugal Ship Reporting System
COR
ENAV19-13.6 Figure 1
COSPAS
Cosmicheskaya Sistema Poiska Avariynyh Sudov (Russian; Space System for the Search of Vessels in Distress
COSPAS/SARSAT
COSPAS - Search and Rescue Satellite-Aided Tracking
COSSH
Control of Substances Hazardous to Health Regulations 1999 (UK)
CPA
Closest Point of Approach
CPD
Continual Professional Development
CPHC
Central Pacific Hurricane Centre
CPI
Consumer Price Index (AUS
CRI
Colour Rendering Index
CRI
Cross-Rate Interference
CRS
Co-ordinate Reference System
CRT
Cathode-Ray Tube
CS
Coastal Surveillance
CS
Control Station
CSP
Communication Service Provider (LRIT)
CSS
Common Shore-based System (ENAV)
CSSA
Common Shore-based System Architecture (ENAV)
CSSI
ENAV19-11.4 section 5.6
CSTDMA
Carrier Sense-Time Division Multiple Access
CTI
Continuity Time Interval
CW
Continuous Wave
CWI
Continuous Wave Interfering
Cat
Category
Cd
Drag coefficient
Chayka
A radionavigation system, similar to LORAN-C, operated by the Government of the Russian Federation
Circ.
Circular (IMO)
CuNim
Cumulonimbus (or Cb) cloud
Cx
the battery has been completely discharged over a period of x ho
D
Forward amplitude
D
Solar declination angle (in degrees)
D
change in the value of a term
D
diameter at the waterline (m)
DGNSS
Differential Global Navigation Satellite System
D1 Apr
Solar declination angle on 1 April
D31 Oct
Solar declination angle on 31 October
DAC
Designated Area Code
DC
Direct Current
DCB
Domain Control Body
DCT
Data Collection and Data Transfer Services group of the CSS
DECCA
A low-frequency hyperbolic radionavigation system based on phase comparison techniques
DECCA Navigator
Navigation equipment for DECCA
DF
Direction Finder
DFO
Department of Fisheries and Oceans (Canada)
DFS
Direction Finding Service of the CSS
DGN
DGNSS Augmentation Service of the CSS
DGNSS
Differential Global Navigation Satellite System
DGPS
Differential Global Positioning System
DIN
Deutsches Institut für Normung, the German Institute for Standardisation
DIN
German steel grading
DLP
Digital Light Processor
DLoran
Differential Loran
DMA
Danish Maritime Authority
DMS
Data Mining Service
DNP
Distributed Network Protocol
DNS
Dynamic Naming Service
DOD
Depth of Discharge
DOP
Dilution of Precision
DP
Technical Development Personnel
DR
Daymark Range
DR
Dead Reckoning
DSC
Digital Selective Calling
DSC
GMDSS VHF Digital Selective Calling Service of the CSS
DSF
Decision Support Function
DST
Decision Support Tool
DTD
Document Type Definition
DTOA
The Difference in Time Of Arrival of events in two signals
DVB-S
Satellite Digital Video Broadcasting
DVB-T
Terrestrial Digital Video Broadcasting
DVD
Digital Video Disc
DWG
Dictionary Working Group (IALA)
DWT
Deadweight tonnage
DirectX
collection of API (Microsoft)
DoT
Department of Transport
E
Energy
E
Illuminance
EC
European Commission
ECC
Electronic Communications Committee
ECD
ENAV19-13.2 section 3.3
ECDIS
Electronic Chart Display and Information System
ECS
Electronic Chart System
ED
Emission Delay
EDA
European Defence Agency
EDAS
EGNOS Data Access Service
EDL
Daily load
EDL/max
Maximum daily load
EDL/nov-mar
Maximum daily load between November and March
EDLapr-oct
Maximum daily load between April and October
EEP
Engineering, Environment and Preservation Committee (IALA now named ENG)
EEZ
Exclusive Economic Zone (Defined in UNCLOS)
EGC
Enhanced Group Calling
EGNOS
European Geostationary Navigation Overlay Service
EI
Energy consumed during one flash
EIA
Electronics Industry Association
ELT
Emergency Location Transmitter
EMC
Electromagnetic Compatibility
EMF
Electro-Magnetic Frequency
EMI
Electromagnetic Interference
EMSA
European Maritime Safety Agency
ENAV
e-Navigation Committee (IALA)
e-NAV
ENAV
ENC
Electronic Navigation Chart
ENE
Environmental Data Evaluation Service of the CSS
ENG
Aids to Navigation Engineering and Sustainability Committee (IALA)
ENS
Environmental Sensor Service of the CSS
EO
Electro-Optical
EOS
Electro-Optical Sensor
EPFS
Electronic Position Fixing System
EPIRB
Emergency Position Indicating Radio Beacon
EPIRB-AIS
Emergency Position Indicating Radio Beacon – AIS enabled
EPSG
European Petroleum Survey Group
ERC
European Research Council
ERP
Effective Radiated Power
ESA
European Space Agency
ESD
Electrostatic discharge
ETA
Estimated Time of Arrival
ETSI
European Telecommunications Standards Institute
EU
European Union
EWB
Emergency Wreck Buoy
EWF
Effective Width of the Fairway
EWMB
Emergency Wreck Marking Buoy
EWMP
Emergency Wreck Marking Plan
Envisat
ENVIronment SATellite
Ess
Energy associated with steady state power
Esurge
Surge factor
F
Fahrenheit
F
Farad
F
force
FAL
Facilitation Convention (IMO)
FAT
Factory Acceptance Test
FATDMA
Fixed-Access Time-Division Multiple Access
FB
buoyant force
FCA
Functional Configuration Audit
FCD
Feature Concept Dictionary
FDBK
Feedback
FEC
Forward error correction
FERNS
Far East Radio Navigation Service
FFIM
Far Field Integrity Monitoring
FFM
Far Field Monitor
FFT
Fast Fourier Transform
FI
For Information
FI
Function Identifier
FL
Flash character less than Esurge
FLA
Floating Visual Aids Service of the CSS
FM
Frequency Modulation
FMCW
Frequency Modulated Continuous Wave
FMS
Fiji Meteorological Service
FOC
Full Operating Condition
FOC
Full Operational Capability
FPS
Frames Per Second (Frame rate)
FSK
Frequency-shift keying
FTP
File Transfer Protocol
FWHM
Full Width Half Maximum
FWTM
Full Width Tenth Maximum
FXA
Fixed Visual Aids Service of the CSS
FoV
Field of View
G
centre of gravity
GALILEO
Global Navigation Satellite System (EU)
GBAS
Ground-Based Augmentation System
GDOP
Geometric Dilution of Position
GEO
Geostationary Orbit
GEOSS
Global Earth Observation System of Systems
GESAMP
Group of Experts on the Scientific Aspects of Marine Environmental Protection
GF
General Feature
GFM
General Feature Model (IHO)
GHz
GigaHertz
GI
Geospatial Information Registry (IHO)
GI Registry
Geo-Spatial Information Registry (IHO)
GICOMS
General Information Centre on Marine Safety & Security (Korea)
GIS
Geographic Information System
GIT
Georgia Institute of Technology
GL
Guideline (IALA)
GLA
General Lighthouse Authority(ies)
GLO
Generic Learning Outcomes
GLONASS
Globalnaya Navigatsionnaya Sputnikovaya Sistema
GLONASS
Global Navigation Satellite System, operated by the Government of the Russian Federation
GLOSS
Global Sea Level Observing System
GM
metacentric height
GMDSS
Global Maritime Distress and Safety System
GMES
Global Monitoring for Environment and Security
GML
Geography Markup Language
GMSK
Gaussian Minimum Shift Keying
GN
Grid North
GNSS
Global Navigation Satellite System
GNSS-1
Global Navigation Satellite System, based on augmentation of GPS and GLONASS in development by the EU
GNSS-2
Future Global Navigation Satellite System in development by the EU
GOOS
Global Ocean Observing System
GPS
Global Positioning System. Operated by the Government of the United States
GRI
Group Repetition Interval
GRP
Glass Reinforced Plastic (fibreglass)
GSM
Global System for Mobile Communications (originally Groupe Spécial Mobile)
GT
Gross Tonnage
GWY
Gateway Service of the CSS
GZ
Righting arm (hydrodynamic stability)
Glossary
A list of definitions of Acronyms
Gyro
Gyrocompass
H&S
Health and Safety
HAL
Horizontal Alert Limit
HAT
Highest Astronomical Tide
HAWT
Horizontal Axis Wind Turbine
HCD
Human Centred Design
HDF
Hierarchical Data Format
HDM
Harmonised Data Model
HDOP
Horizontal Dilution of Precision
HDR
High Dynamic Range
HDTV
High Definition Television
HEAP
Human Element Analysing Process
HEO
Highly Elliptical Orbit / High Earth Orbit
HF
High frequency (3 – 30 MHz)
HFC
HF Communication Service of the CSS
HFG
HF GMDSS Service of the CSS
HGDM
Harmonization Group on Data Modelling (IMO/IHO)
HLF
Heritage Lottery Fund
HMAC
Hash Message Authentication Code
HMI
Human / Machine Interface
HMPE
High modulus polyethylene
HO
Hydrographic Office
HP
High Power
HPL
Horizontal Protection Level
HR
Human Resources
HSC
High Speed Craft
HSE
Health and Safety Equipment
HSSC
Hydrographic Services and Standards Committee (IHO)
HTTP
Hypertext Transfer Protocol
HW
ENAV19-13.6 section 10.3.2.2
Hdarkness
Hours of possible darkness = 24 - Hdaylight
Hdarkness1Apr
Hours of possible darkness on 1 April
Hdarkness31Oct
Hours of possible darkness on 31 October
Hdaylight
the number of hours between sunrise and sunset
Hydro.
Hydrography / hydrographical
I
Intensity
I
charge current
I&T
Information &Technology
I/O
Input / Output
IACS
International Association of Classification Societies Ltd.
IALA
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM
IALA-AISM
International Association of Marine Aids to Navigation and Lighthouse Authorities
IALA-NET
A global government to government maritime data network (IALA)
IALAACS
IALA approved Classification Society
IAMSAR
International Aeronautical and Maritime Search and Rescue (manual)
IAPH
International Association of Ports and Harbours
ICAO
International Civil Aviation Organization
ICNIRP
International Commission on Non-Ionizing Radiation Protection
ICS
International Chamber of Shipping
ICS
Integrated communications system
ICT
Information and Communications Technology
ID
Identification
IDC
International Data Centre (for LRIT)
IEC
International Electrotechnical Commission
IEC TC
International Electrotechnical Commission – Technical Committee
IEEE
Institute of Electrical and Electronic Engineers
IETF
Internet Engineering Task Force
IFSMA
International Federation of Shipmasters’ Association
IHMA
International Harbour Masters’ Association
IHO
International Hydrographic Organization
III Code
IMO Instruments Implementation Code
ILO
International Labour Organization
IM
Integrity Monitoring (Station)
IMD
Indian Meteorological Department
IMO
International Maritime Organization
IMPA
International Maritime Pilots Association
IMSAS
IMO Member State Audit Scheme
IMSO
International Mobile Satellite Organization
IMT
International Mobile Telecommunications
IMU
Inertial Measurement Unit
INF
On-Site Infrastructure of the CSS
INMARSAT
International Maritime Satellite Organization
INS
Information Services (VTS)
INS
Integrated Navigation System, as defined by IMO Performance Standards
INS
Traffic Information Service, as part of the Vessel Traffic Services
INT
International (chart)
IOC
Initial Operating Condition
IOC
Initial Operational Capability
IOC
Intergovernmental Oceanographic Commission
IP
Ingress Protection
IP
Internet Protocol
IPR
Intellectual Property Rights
IPSL
Integrated Power System (self-contained marine) lantern
IR
InfraRed
ISBN
International Standard Book Number
ISO
International Standardization Organisation
ISPS
International Ship and Port Facilities Security [Code]
ISS
International Space Station
IT
Information Technology
ITDMA
Incremental Time Division Multiple Acces
ITIL
IT Infrastructure Library (V3 = Version 3, service-oriented)
ITU
International Telecommunication Union
ITU-R
International Telecommunications Union – Radiocommunications Bureau
ITZ
Inshore Traffic Zone
IVEF
Inter - VTS Exchange Format
IWRAP
IALA Waterway Risk Assessment Program
Iavg
Average current
Ie
effective intensity
Ieffs
effective luminous intensity under service conditions
If
nertia of the water plane
Inominal
required luminous intensity for the nominal range
Iphoto
measured instantaneous intensity
J
moment of inertia of a buoy about the axis through the centre of gravity in kg*m
J/kg
Joules per kilogram
JCG
Japan Coast Guard
JHA
Job Hazard Analysis
JMA
Japan Meteorological Agency
JMS
Japan Meteorological Service
JSA
Job Safety Analysis
JTWC
Joint Typhoon Warning Centre
KPI
Key Performance Indicator
Ka-band
26.4 – 40 GHz
Kg
kilogram
kg
kilogram
Ku-band
12.0 – 18.0 GHz
L
Latitude (in degrees)
L
Level (technician training - WWA)
L
Luminance
LAAS
Local Area Augmentation System
LADGNSS
Local Area Differential GNSS
LAN
Local Area Network
LANBY
Large Automatic Navigation BuoY
LAT
Lowest Astronomical Tide
Lat
Latitude
LCD
Liquid Crystal Display
LCoS
Liquid Crystal on Silicon
LDC
Loran Data Channel
LDR
Light Dependent Resistors
LDR
Low Dynamic Range
LED
Light-Emitting Diode
LEO
Low Earth Orbit
LF
Low Frequency (30 kHz–300 kHz)
LFP
Lithium-iron Phosphate (battery)
LIM
Local Integrity Monitoring
LNA
Low noise amplifyer
LNFE
Low Noise Front End
LNG
Liquid Natural Gas
Lon
Longitude
LOP
Line of Position
LORAN
Long Range Navigation System
LORAN-C
Long Range Navigation System (USA) version C
LORAN-C
A low-frequency hyperbolic radionavigation system based on measurements of TOA or DTOA of events in pulsed signals
LORRAP
Table 3 of ENAV19-13.2
LORRIP
Table 3 of ENAV19-13.2
LOS
Level of Service (or LoS)
LPA
Local Public Address Service of the CSS
LPA
Local Public Address Service of the CSS
LPD
Laser Phosphor Display
LPS
Local Port Services
LRIT
Long Range Identification and Tracking
LSS
Logical Shore Station (AIS)
LTE
Long Term Evolution (Standard)
LVD
Low Voltage Directive
Lat
Latitude
Lm
lumen
LoS
Line of Sight
Load-line
International Convention on Load Lines (LL)
Long
Longitude
Lx
lux
M
metacentre
M2M
Machine-to-Machine
MAC
Message Authentication Code
MARCOM
A PIANC technical working group
MARISS
Maritime Security Services
MARPOL
International Convention for the prevention of pollution from ships (IMO 1973) (as amended)
MARSUR
Maritime Surveillance
MAS
Maritime Assistance Service
MBS
IALA Maritime Buoyage System
MC
Maritime Cloud (ENAV)
MCA
Maritime and Coastguard Agency (UK)
MD
Maintenance Document
MD
Metadata
MDEF
ENAV19-13.6 Figure 16
MDR
Metadata Registries
MDS
Minimum Detectable Signal
MEDEVAC
Medical evacuation
MEMS
Micro Electro Mechanics System
MEO
Medium Earth orbit
METAREA
Geographical sea regions for the purpose of co-ordinating the transmission of meteorological information
METOC
Meteorological and Oceanographic
METOC
Mission Essential Meteorological and Oceanographic Center
MF
Mean Frequency
MF
Medium Frequency (300 kHz to 3 MHz)
MFB
Medium Frequency Broadcast Service of the CSS
MFR
Météo France
MHHW
Mean Higher High Water
MHW
Mean High Water
MHWS
Mean High Water Springs
MHz
Megahertz
MID
Maritime Identification Digit
MIL
Military
MIL-STD
Military Standard (US)
MIM
Mobile Interrogation Monitoring
MIOs
Maritime Information Overlays
MIR
Maritime Identity Registry
MKD
Minimum Keyboard and Display
MLED
Micro LED
MLLW
Mean Lower Low Water
MLTM
Ministry of Land, Transport and Maritime Affairs (Korea)
MLW
Mean Low Water
MLWS
Mean Low Water Springs
MMI
ENAV19-11.4 Table 4 (Man Machine Interface?)
MMS
Maritime Messaging Service of the CSS
MMSI
Maritime Mobile Service Identity
MN
Magnetic North
MOB
Man over board
MOB-AIS
Man Overboard AIS device
MOSFET
metal oxide semiconductor field-effect transistor (also MOS FET & MOS-FET)
MPA
Marine Protected Area
MPEG
Moving Pictures Expert Group
MPPT
Maximum Power Point Tracking (for battery charging)
MPR
Maritime Portfolio Registry Service of the CSS
MPX
Master/Pilot Exchange
MRCC
Maritime Rescue Coordination Centre
MRCP
Maritime Radio Communications Plan (IALA)
MRN
Maritime Resource Name (ENAV)
MSAS
Multi-purpose Satellite Augmentation System developed by the Government of Japan
MSC
Maritime Safety Committee (IMO)
MSG
AIS Message
MSI
Maritime Safety Information
MSIS
Maritime Safety Information Service
MSK
Minimum Shift Keying
MSP
Maritime Service Portfolio
MSP
Maritime Spatial Planning
MSSIS
Maritime Safety & Security Information System (US)
MSSL
Multiple Source Sector Light
MT
Message type (AIS)
MTBF
Mean Time Between Failures
MTBO
Mean Time Between Outages
MTI
Moving Target Indication
MTS
Maritime Transportation System
MTSR
Mean Time to Service Restoration
MTTR
Mean Time to Repair
MWB
Medium Wave Broadcast Service of the CSS
Met
Meteorology / meteorological
Mo
Morse (code)
MoU
Memorandum of Understanding
N
Julian date
N
Newton
N
No
N
North
N/A
Not applicable
N/mm2
Newtons per square millimetre
NAS
Navigation Assistance Service (VTS)
NASA
National Aeronautics and Space Administration (US)
NAV
Sub-Committee on Safety-of-Navigation (IMO)
NAVAREA
Geographic areas in which various governments are responsible for navigation and weather warnings
NAVDAT
NAVigational DATa (a data transmission service)
NAVGUIDE
IALA manual covering all aspects of marine Aids to Navigation and is updated every four years
NAVPLAN
Navigation Plan
NAVTEX
Navigational Telex (a data transmission MSI service operating on 500 KHz)
NAVWARN
Navigational Warning(s)
NCA
Norwegian Coastal Administration
NCR
Non-Conformance Reports
NCS
Natural Colour System (Sweden)
NCSR
Sub-committee on Navigation Communications and Search and Rescue (IMO)
NCSR
National Centre for Sensor Research
NDT
NAVDAT Service of the CSS
NELS
Northwest European Loran System
NHC
National Hurricane Centre
NIMA
National Imagery and Mapping Agency
NIS
Navigational Information Service
NIST
National Institute of Standards and Technology (Japan)
NITZ
Network Identity and Time Zone
NM
Nautical Mile
NMEA
National Marine Electronics Association
NMR
Nuclear Magnetic Resonance
NP
Nautical Publication
NSE
Navigation System Error
NSS
Namespace Specific String
NT radar
New Technology radar
NTIA
National Telecommunications and Information Administration
NTP
Network Time Protocol
NTX
Navtex Service of the CSS
NetCDF
Network Common Data Form
Ni
Nickel
NiCad
Nickel Cadmium (battery)
NiCd
Nickel Cadmium (battery)
NiMH
Nickel-Metal Hydride (battery)
NiMh
Nickel Metal Hydride (battery)
No
Number of cells
NtM
Notices to Mariner
NtoM
Notice to Mariners
Ntrip
Networked Transport of RTCM via Internet Protocol
O
axis of the centre of water plane
OAP
Old Age Pensioner
OEM
Original Equipment Manufacturer
OEP
Object-oriented Engineering Process
OFTA
Office of the Telecommunications Authority
OGC
Open Geospatial Consortium
OH&S
Occupational Health & Safety
OJ
Official Journal of the European Union
OJT
On-the-Job Training
OOW
Officer of the Watch
OP
Technical Operating Personnel of the CSS
OPRF
Ocean Policy Research Foundation
OPS
Operational Performance Statement
OPS
Operational Presentation Surface
OREI
Offshore Renewable Energy Installation
OS
Operating System
OSC
On-scene commander
OSHA
Occupational and Safety Health Act (USA)
OSI
Open Systems Interconnection (model)
OpenGL
Open Graphics Library
P&I
Protection and Indemnity (clubs or insurance)
PAL
Phase Alternation Lines
PAR
Parabolic Aluminized Reflector lamp
PAWSA
Ports and Waterways Safety Assessment (IALA)
PBM
Pre-broadcast Monitoring
PC
Personal Computer
PC
Phase Code
PC
Politically Correct
PCA
Physical Configuration Audit
PCI
Phase Code Interval
PCU
PSS Control Unit (AIS)
PD
Probability of Detection
PDD
Project Delivery Department
PDF
Portable Document Format
PDL
Precision Direction Light
PEL
Port Entry Light
PEM
Proton Exchange Membrane
PEST
Political, Economical, Social, Technological (analysis)
PFA
Probability of False Alarm
PI
ENAV19-13.6 Figure 16
PI
Performance Indicator
PI
Presentation Interface
PIANC
The World Association for Waterborne Transport Infrastructure
PIF
Product Information File
PIV
Peak inverse voltage
PKI
Public Key Infrastructure
PM
Planned Maintenance
PM
Program Manager (IALA WWA)
PNT
Position, Navigation and Timing
PO
Post Office
POB
Persons on-board
POD
Probability of detection
POS
ENAV19-13.6 Figure 21
POS
Position Determination Service of the CSS
PPE
Personal Protective Equipment
PPM
Pulse Position Modulation
PPP
Precise Point Positioning
PPU
Portable Pilot Unit
PR
Pseudorange
PRC
pseudo-range correction
PRF
Pulse Repetition Frequency
PS
Product Specification
PSC
Port State Control
PSLR
Peak Side Lobe Ratio
PSS
Physical Shore Station (AIS)
PSS
Practical Salinity Scale
PSSA
Particularly Sensitive Sea Areas
PTZ
Pan, Tilt, Zoom
PUI
Persistent Unique Identifier
PV
Photovoltaic
PVA
Polyvinyl acetate
PVT
Position, Velocity and Timing
PW
Pulse Width
PWM
Pulse Width Modulation
Pbfl
power consumption between flashes
Pfl
power consumption during flash
Pidle
daytime power consumption
Pss
lamp's steady state power requirements (watt)
Q&A
Question and Answer
QA
Quality Assurance
QMS
Quality Management System
QSA
Quality Safety Audit
QXGA
Quad Extended Graphics Array
QoS
Quality of Service
R
Range (also ρ)
R
Reflected amplitude
R
Reserve buoyancy
R&RNAV
The Research and Radionavigation Directorate (GLA)
R&TTE
Radio and Telecommunications Terminal Equipment
R.O.
Reverse Osmosis
RA
Risk Assessment
RACON
RADar beaCON (Radar transponder beacon)
RAD
Radar Service of the CSS
RADAR
Radio Detection and Ranging
RAID
Redundant Array of Independent Disks
RAIM
Receiver Autonomous Integrity Monitoring
RAL
RAL colour system (Reichs-Ausschuß für Lieferbedingungen und Gütesicherung)
RAO
Response Amplitude Operator
RATDMA
Random Access Time-Division Multiple Access
RBS
Reference Broadcast Synchronization
RCC
Rescue Co-ordination Centre
RCDS
Raster Chart Display System
RCS
Radar Cross Section
RDF
Radio Direction Finder
RDS
Radio Data System
REACH
Registration, Evaluation, Authorisation and Restriction of Chemical Substances
REEFREP
Great Barrier Reef and Torres Strait Ship Reporting System
REEFVTS
Great Barrier Reef and Torres Strait Vessel Traffic Service
RENC
Regional ENC Coordination Centre
RF
Radio Frequency
RFC
Request for comments (IETF)
RH
Relative Humidity
RIDDOR
Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995 (UK)
RIMS
ENAV19-13.6 section A.2.2 (or should this be RIMS?- See also Figure 29)
RM
righting moment
RMP
Recognized Maritime Picture
RMS
Root Mean Squared
RNAV
Radio & Radionavigation Committee (IALA)(old)
RNC
Raster navigation chart
ROT
Rate of Turn
RPM
Revolutions per minute
RR
Radio Regulations (ITU-R)
RRC
Range Rate Correction
RS
Reference Station
RSIM
Reference Station Integrity Monitor
RTCA
Radio Technical Commission for Aeronautics
RTCM
Radio Technical Commission for Maritime Services
RTE
Radar Target Enhancer
RTF
Rich Text Format
RTK
Real Time Kinematic
RTU
Remote Telemetry Unit
Rec
Recommendation (IALA)
Rg
geographical range
RoHS
Reduction of Hazardous Substances
RoSPA
Royal Society for the Prevention of Accidents (UK)
Rx
Reception / Receiver
S
South
S-100
Geospatial Information Registry (IHO)
S-101
IHO ENC Product Specification (under development in 2015)
S-200
IALA domain for S-100 Product Specifications
S-44
Standards for Hydrographic Surveys (IHO)
S-52
Standard and the portrayal of colours and symbols in ECDIS (IHO)
S-57
IHO Transfer Standard for Digital Hydrographic Data
S-63
IHO Data Protection Scheme
S-99
Operational Procedures for the Organization and Management of the S-100 Geospatial Information Registry
S-G
Secretary-General
S-IALA-NET
Satellite IALA-NET
S-Mode
a standard mode of presentation and operation for navigation displays, triggered by a single button
S-band
2.0 – 4.0 GHz (Note : military designation is F-band)
S/N
Safety of Navigation
S/N
Signal to Noise ratio
SA
Selected Availability (GNSS)
SA
Selective Availability
SAIS
Satellite AIS
SAM
Service Area Monitor
SAR
Search and Rescue
SAR (1979)
International Convention on Maritime SAR (1979)
SARC
SAR Mission Co-ordinator
SARSAT
Satellite-based Synthetic Aperture Radar
SART
Search and Rescue Transponder
SAS
Support of Allied Services (VTS)
SAT
Satellite
SAT
Site Acceptance Test
SBAS
Satellite-Based Augmentation System
SBAS
Space-Based Augmentation System
SBN
Shore-Based Wide Area Network Service of the CSS
SC
Special Committee (RTCM)
SC
Swinging Circle
SCADA
Supervisory Control and Data Acquisition (system)
SCTS
Service Center Time Stamp
SD
Software defined
SDA
Ship Data Consistency Analysis Service of the CSS
SDH
Synchronous Digital Hierarchy
SENC
System Electronic Navigation Chart
SFEEAPI
Standard Format for Electronic Exchange of AtoN Product Information
SGML
Standard Generalized Markup Language (ISO 8879 :1986)
SHA
Secure Hash Algorithm
SHA
Sidereal Hour Angle
SI
International System of Units
SID
Shipping Industry Database Service of the CSS
SIGNI
Signs and Signals on Inland Waterways, UN, ECE, Resolution No 22
SIP
IMO e-Navigation Strategy Implementation Plan (NCSR1/28, Annex 7 as adopted by MSC94, Nov. 2014)
SIS
Signal In Space
SLA
Service-Level Agreement
SMA
Swedish Maritime Administration
SMART
Specific, Measurable, Achievable, Realistic, Time scaled
SMC
SAR Mission Co-ordinator
SMCP
Standard Marine Communication Phrases (IMO)
SMP
Safety Management Plan
SMS
Safety Management System
SMS
Short Message Service
SMSC
Short Message Service Centre
SMTS
Sustainable Maritime Transportation System
SN Circ.
Safety of Navigation Circular (IMO)
SNPWG
Standardization of Nautical Publications Working Group (IALA)
SNR
Signal to Noise Ratio
SOA
Service Oriented Architecture
SOC
State of charge
SOG
Speed over Ground
SOLAS
International Convention for the Safety of Life at Sea (IMO 1974 as amended)
SOP
Standard Operating Procedures
SOTDMA
Self-Organising Time-Division Multiple Access
SPA
Special Protected Area
SQA
Software Quality Assurance
SRS
Ship Reporting System
SRU
Search and Rescue Unit
SS
Sea State
SS
Signal Strength
STC
Sensitivity-Time Control
STCW
International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (IMO)
STD./std.
Standard
STM
Sea Traffic Management
SV
Space Vehicle (GPS)
SWC
Short Wave Communication Service of the CSS
SWG
Short Wave GMDSS Service of the CSS
SWMS
Safe Work Method Statement
SWP
Safe Work Procedure
SWR
Standing Wave Ratio
Si
Silicon
SoOP
Signals of Opportunity
T
Transmissivity
T
roll period
T
Time period
TBA
To Be Advised
TBD
To Be Determined
TBM
Tool Box Meeting
TBS
True Bearing from Seaward
TBT
Tributyltin (anti-fouling paint)
TC
Technical Committee (ITU)
TCP
Transmission Control Protocol
TCP/IP
Transmission Control Protocol/Internet Protocol
TCPA
Time to Closest Point of Approach
TD
Time Difference
TDMA
Time-Division Multiple Access
TEC
Technical
TEU
Twenty-Foot Equivalent Units
TH
Trinity House
THLS
Trinity House Lighthouse Service
TMAS
Telemedical Maritime Assistance Service
TMS
Time/Motion Studies
TMS
Training Management System
TN
True North
TO
Training Organisation
TOA
Time Of Arrival of an event in a signal
TOA
Time of Arrival
TOE
Time of Emission
TONNAGE
International Convention on tonnage measurement of ships (IMO)
TOS
Traffic Organisation Service (VTS)
TOT
Time of transmission
TPSN
Timing Synch Protocol for Sensor Networks
TRA
Transmission Regulatory Authority
TSE
Total System Error
TSMAD
Transfer Standard Maintenance and Application Development Working Group (IHO)
TSS
Traffic Separation Scheme (IMO)
TTA
Time to Alarm
TTI
Traffic Technology Centre (Germany)
TV
Television
TW
Territorial Waters
Tc
character duration
Tflash
flash length
Tm
Transmissivity
To
observation duration
Tperiod
a light's period
Tx
Transmission / Transmitter
UC
Use Case
UCAR
University Corporation for Atmospheric Research
UDRE
User Differential Range Error (GPS)
UHF
Ultra High Frequency (300 MHz and 3 GHz)
UIA
User Interaction Service of the CSS
UK
United Kingdom
UKC
Under Keel Clearance
UKHO
UK Hydrographic Office
UML
Unified Modelling Language
UNCLOS
The United Nations Convention on the Law of the Sea
UNESCO
United Nations Educational, Scientific and Cultural Organization
UPS
Uninterruptable Power Supply
UR
User Requirement
URL
Uniform Resource Locator
URN
Uniform Resource Name
US
United States (of America)
USA
United States of America
USCG
United States Coast Guard
USD0T
United States Department of Transportation
UTC
Coordinated Universal Time (Universal Time Co-ordinated)
UTF-8
Universal Character Set (UCS) Transformation Format — 8-bit; (ISO/IEC 10646)
UTM
Universal Transverse Mercator (Projection)
UUID
Universally Unique Identifier
UV
Ultra Violet (light) (10 – 380 nm)
UXGA
Ultra Extended Graphics Array
Up
Uplink
V
Visibility
V
Volt
V
Volume
VAD
Value Added Data Processing Services group of CSS
VAT
Value Added Tax
VAWG
Vertical Axis Wind Generator
VAWT
Vertical Axis Wing Turbine
VB
volume of buoyancy (m³)
VDE
VHF Data Exchange
VDES
VHF Data Exchange System
VDL
VHF Data Link
VDR
Voyage Data Recorder
VEC
Vector Chart Service of the CSS
VFR
Visiting Friends and Relatives (Family)
VFR
Visual Flight Rules
VHF
VHF Communication Service of the CS
VHF
Very High Frequency (30 MHz to 300 MHz)
VID
CCTV Video Service (Closed Circuit Television) of the CSS
VLCC
Very Large Crude Carrier
VLR
ENAV19-11.4 Figure 7
VMS
Vessel Monitoring System
VOC
Volatile Organic Compounds (paints and solvents)
VOS
Voluntary observing ship
VPN
Virtual Private Network
VR
Virtual Reality
VRLA
Valve-regulated lead-acid (battery)
VRS
Virtual Reference Station
VSAT
Virtual Satellite
VTC
Vessel Traffic Centre
VTE
Vessel Technical Error
VTIS
Vessel Traffic Information Service
VTM
Vessel Traffic Management
VTMIS
Vessel Traffic Management and Information Services
VTMIS
Vessel Traffic Management and Information System
VTS
Vessel Traffic Services
VTSO
VTS Operator
VTSO
Vessel Traffic Service Officer
VoIP
Voice over Internet Protocol
W
watt
W
weight
W/Kg
watts per kilogram
WAAS
Wide Area Augmentation System developed by the Government of the United States
WAG
Wave activated generator
WAN
Wide Area Network (e.g. the internet)
WEND
Worldwide Electronic Navigational Chart Database
WER
Word Error Rate
WETREP
Western European Tanker Reporting System
WFS
Web Feature Service
WG
Working Group
WGS84
World Geodetic System 1984 (datum and spheroid)
WL
waterline
WL0
initial waterline
WL1
heeled waterline
WMO
World Meteorological Organization
WP
waterplane
WRC
World Radio Conference (ITU)
WRC
World Radiocommunications Conference
WWA
World Wide Academy (IALA)
WWNWS
World Wide Navigational Warning Service
WWRC
World-Wide Radiocommunication
WWRN
World-Wide Radio Navigation
WWRNP
World Wide Radio Navigation Plan (IALA)
WWRNS
World Wide Radio Navigation System (IMO)
WWRNWS
World-Wide Radionavigation Warning Service
Wh/day
watt hour per day
Wh/kg
watt-hour per kilogram
WiFi
Wireless Fidelity (local area wireless computer networking)
WiMax
Worldwide Interoperability for Microwave Access
Wp
Watts peak
Ws
Watt seconds
X-band
8.0 – 12.0 GHz (Note : military designation is I-band)
XML
Extensible Mark-up Language
XSLT
XML accompanied by a style sheet
Y
Yes
YHA
Youth Hostel Association (UK)
amp
ampere
ar
required vertical divergence angle
bit
binary digit
cd
candela
cf.
compare
cm
centimetre
csa
cross section area
dB
deciBel
dBi
deciBel isotropic
dBm
deciBel milliWatt
e-NAV
e-Navigation
eLORAN
Enhanced LORAN
eNav
e-Navigation
ft
foot
ft-L
foot-Lambert (Illuminance)
g
acceleration due to gravity (m/s2)
h
hour
h/day
hours per day
hPa
hectoPascal
k
coefficient of sensitivity
kHz
kilohertz
kV
kilovolt
kW
Kilowatt
kWh/m2/y
kilowatt hours per square metre per year
kg/I
kilogram per litre (specific gravity)
kg/m
kilograms per metre
kg/m3
kilograms per cubic metre
kgf
kilogram-force
km
kilometre
kn
kilometres per hour
l/h
litres / hour
m
metre
m/s
metres per second
m/s2
metres per second squared
m2
square metre
m3
cubic metre
µA
microampere
mA
milliampere
mV
millivolt
mW
milliwatt
mb
mass of the buoy (kg)
met./hydro.
meteorological / hydrological (information)
mi
mass of each component (kg)
min arc
minutes of arc
mm
millimetre
mm/hr
millimetre per hour
mph
miles per hour
ms
millisecond
nit
unit of luminance equivalent to one candela per square metre
nm
nanometre (wavelength)
pH
numeric scale used to specify the acidity or basicity (alkalinity) of an aqueous solution
pa
per annum
ppm
Parts Per Million
r
density (kg/m³)
rho-rho
ENAV19-13.2 Table 4 (Does this refer to the Rho-Rho Navigation System?
s
second
sr
steradian (square radian)
v
hour angle
°
degree
±
plus or minus
µV/m
microvolt per metre (signal strength)
µs
microsecond
Ω
ohm
η
Antenna efficiency
μm
micrometre
less than or equal to
greater than or equal to
<
less than
>
greater than
%
percent
1-D
One dimensional
2-D
Two dimensional
3-D
Three dimensional
3G
3rd Generation (of mobile telecommunications technology)
4G
4th Generation (of mobile telecommunications technology)
4WD
Four Wheel Drive

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM

ampere

Availability, Reliability and Maintainability

Angle of Uncertainty :

American Association Against Acronym Abuse

Addressed Binary Message

Alternating Current

Accessibility for Shipping, Efficiency Advantages and Sustainability (EU research project)

European Union

Acknowledge

Australian Capital Territory

Anti-Fouling System (paint)

Absorbed Glass Matt

Australian Hydrographic Office

Automatic Identification System

AIS Default Channel 1 - 161.975 MHz (Ch. 87B//2087)

Megahertz

AIS Default Channel 2 - 162.025 MHz (Ch. 88B/2088

AIS-Aid to Navigation transponder

AIS Search and Rescue Transmitter

Association Internationale de Signalisation Maritime (Title of IALA in French)

Admiralty List of Light (UK)

United Kingdom

Australian Maritime Safety Authority

Application Programming Interface

Accredited Prior Learning

Advanced Refractive Effects Prediction System

Aids to Navigation Requirements and Management Committee (IALA)

Automatic Radar Plotting A

Australia/New Zealand

American Standard Code for Information Interchange

Additional secondary fact

Above Sea Level

Application Specific Message

ENAV19-11.4 Figure 1

ENAV19-11.4 Figure 1

Application Service Provider (LRIT)

Long Range Identification and Tracking

Area to be avoided

Accredited Training Organisation

Acceptance Test Plan

Automatic Tuning Unit

Antenna Tuning Unit

Audio / Visual

Aviation Communication Service of the CSS

Common Shore-based System (ENAV)

American Wire Gauge

Guideline 1067

Ampere hour

Ampere hour per day

Application

Application server

Aid to Navigation

Centre of buoyancy

Initial centre of Buoyancy

Heeled centre of Buoyancy

ENAV19-13.6 Figure 16

Bulletin Board

Broadcast Binary Message

Building Code of Australia

Bridge Equipment System

Baltic and International Maritime Council (vessel contract agreements)

Built In Test Equipment

New Generation Buoy

Biological Oxygen Demand

Bridge Resource Management

British Standard

Base Station Controller

metacentric radius

Bureau of Meteorology (Australia)

Contrast

Celsius (previously Centigrade)

Capacitance

A charge rate in amps of one-tenth the overall battery capacity in amp-hours

ampere

Competent Authority

Computer-Aided Design

Craft Autonomous Integrity Monitoring

Capability

Contractors All Risk (insurance)

Computer Aided Radar Performance Evaluation Tool

Customer Acceptance Test

Category of Zone of Confidence

Capacity Building

Condition-Based Maintenance

Closed-Circuit Television

Coding Delay

Chart Datum

Conformité Européenne

Computer Graphics Image

Channel

Canadian Hurricane Centre

Commission Internationale de l'Eclairage (International Commission on Illumination)

Comité International Radio-Maritime

Corrective Maintenance

Common Maritime Data Structure

Coronel Mass Ejection (solar flare)

Course over Ground

Convention on the International Regulations for Preventing Collisions at Sea (1972) (as amended)

Sub-Committee on Communications and Search and Rescue (IMO)

International Maritime Organization

Coast of Portugal Ship Reporting System

ENAV19-13.6 Figure 1

Cosmicheskaya Sistema Poiska Avariynyh Sudov (Russian; Space System for the Search of Vessels in Distress

COSPAS - Search and Rescue Satellite-Aided Tracking

Control of Substances Hazardous to Health Regulations 1999 (UK)

Closest Point of Approach

Continual Professional Development

Central Pacific Hurricane Centre

Consumer Price Index (AUS

Cross-Rate Interference

Colour Rendering Index

Co-ordinate Reference System

Cathode-Ray Tube

Control Station

Coastal Surveillance

Communication Service Provider (LRIT)

e-Navigation Committee (IALA)

Common Shore-based System Architecture (ENAV)

ENAV19-11.4 section 5.6

Carrier Sense-Time Division Multiple Access

Continuity Time Interval

Continuous Wave

Continuous Wave Interfering

Category

Drag coefficient

A radionavigation system, similar to LORAN-C, operated by the Government of the Russian Federation

A low-frequency hyperbolic radionavigation system based on measurements of TOA or DTOA of events in pulsed signals

Long Range Navigation System (USA) version C

Circular (IMO)

Cumulonimbus (or Cb) cloud

the battery has been completely discharged over a period of x ho

diameter at the waterline (m)

change in the value of a term

Solar declination angle (in degrees)

Forward amplitude

metre

Differential Global Navigation Satellite System

Differential Global Navigation Satellite System

Solar declination angle on 1 April

Solar declination angle on 31 October

Designated Area Code

Direct Current

Domain Control Body

Data Collection and Data Transfer Services group of the CSS

A low-frequency hyperbolic radionavigation system based on phase comparison techniques

Navigation equipment for DECCA

Direction Finder

Department of Fisheries and Oceans (Canada)

Direction Finding Service of the CSS

DGNSS Augmentation Service of the CSS

Differential Global Positioning System

German steel grading

Deutsches Institut für Normung, the German Institute for Standardisation

Digital Light Processor

Differential Loran

Danish Maritime Authority

Data Mining Service

Distributed Network Protocol

Dynamic Naming Service

Depth of Discharge

Dilution of Precision

Technical Development Personnel

Dead Reckoning

Daymark Range

GMDSS VHF Digital Selective Calling Service of the CSS

Digital Selective Calling

Global Maritime Distress and Safety System

Very High Frequency (30 MHz to 300 MHz)

VHF Communication Service of the CS

Decision Support Function

Decision Support Tool

Document Type Definition

The Difference in Time Of Arrival of events in two signals

Satellite Digital Video Broadcasting

Terrestrial Digital Video Broadcasting

Digital Video Disc

Dictionary Working Group (IALA)

Deadweight tonnage

collection of API (Microsoft)

Department of Transport

Illuminance

Energy

European Commission

Electronic Communications Committee

ENAV19-13.2 section 3.3

Electronic Chart Display and Information System

Electronic Chart System

Emission Delay

European Defence Agency

EGNOS Data Access Service

European Geostationary Navigation Overlay Service

Daily load

Maximum daily load

Maximum daily load between November and March

Maximum daily load between April and October

Engineering, Environment and Preservation Committee (IALA now named ENG)

Aids to Navigation Engineering and Sustainability Committee (IALA)

Exclusive Economic Zone (Defined in UNCLOS)

The United Nations Convention on the Law of the Sea

Enhanced Group Calling

Energy consumed during one flash

Electronics Industry Association

Emergency Location Transmitter

Electromagnetic Compatibility

Electro-Magnetic Frequency

Electromagnetic Interference

European Maritime Safety Agency

e-Navigation

ENAV

Electronic Navigation Chart

Environmental Data Evaluation Service of the CSS

Environmental Sensor Service of the CSS

Electro-Optical

Electro-Optical Sensor

Electronic Position Fixing System

Emergency Position Indicating Radio Beacon

Emergency Position Indicating Radio Beacon – AIS enabled

European Petroleum Survey Group

European Research Council

Effective Radiated Power

European Space Agency

Electrostatic discharge

Estimated Time of Arrival

European Telecommunications Standards Institute

Emergency Wreck Buoy

Effective Width of the Fairway

Emergency Wreck Marking Buoy

Emergency Wreck Marking Plan

ENVIronment SATellite

Energy associated with steady state power

Surge factor

force

Farad

Fahrenheit

Facilitation Convention (IMO)

Factory Acceptance Test

Fixed-Access Time-Division Multiple Access

buoyant force

Functional Configuration Audit

Feature Concept Dictionary

Feedback

Forward error correction

Far East Radio Navigation Service

Far Field Integrity Monitoring

Far Field Monitor

Fast Fourier Transform

Function Identifier

For Information

Flash character less than Esurge

Floating Visual Aids Service of the CSS

Frequency Modulation

Frequency Modulated Continuous Wave

Fiji Meteorological Service

Full Operational Capability

Full Operating Condition

Frames Per Second (Frame rate)

Frequency-shift keying

File Transfer Protocol

Full Width Half Maximum

Full Width Tenth Maximum

Fixed Visual Aids Service of the CSS

Field of View

centre of gravity

Global Navigation Satellite System (EU)

Ground-Based Augmentation System

Geometric Dilution of Position

Geostationary Orbit

Global Earth Observation System of Systems

Group of Experts on the Scientific Aspects of Marine Environmental Protection

General Feature

General Feature Model (IHO)

International Hydrographic Organization

GigaHertz

Geospatial Information Registry (IHO)

Geo-Spatial Information Registry (IHO)

General Information Centre on Marine Safety & Security (Korea)

Geographic Information System

Georgia Institute of Technology

Guideline (IALA)

General Lighthouse Authority(ies)

Generic Learning Outcomes

Global Navigation Satellite System, operated by the Government of the Russian Federation

Globalnaya Navigatsionnaya Sputnikovaya Sistema

Global Sea Level Observing System

metacentric height

Global Monitoring for Environment and Security

Geography Markup Language

Gaussian Minimum Shift Keying

Grid North

Global Navigation Satellite System

Global Navigation Satellite System, based on augmentation of GPS and GLONASS in development by the EU

Global Positioning System. Operated by the Government of the United States

Future Global Navigation Satellite System in development by the EU

Global Ocean Observing System

Group Repetition Interval

Glass Reinforced Plastic (fibreglass)

Global System for Mobile Communications (originally Groupe Spécial Mobile)

Gross Tonnage

Gateway Service of the CSS

Righting arm (hydrodynamic stability)

A list of definitions of Acronyms

Gyrocompass

Health and Safety

Horizontal Alert Limit

Highest Astronomical Tide

Horizontal Axis Wind Turbine

Human Centred Design

Hierarchical Data Format

Harmonised Data Model

Horizontal Dilution of Precision

High Dynamic Range

High Definition Television

Human Element Analysing Process

Highly Elliptical Orbit / High Earth Orbit

High frequency (3 – 30 MHz)

HF Communication Service of the CSS

HF GMDSS Service of the CSS

Harmonization Group on Data Modelling (IMO/IHO)

Heritage Lottery Fund

Hash Message Authentication Code

Human / Machine Interface

High modulus polyethylene

Hydrographic Office

High Power

Horizontal Protection Level

Human Resources

High Speed Craft

Health and Safety Equipment

Hydrographic Services and Standards Committee (IHO)

Hypertext Transfer Protocol

ENAV19-13.6 section 10.3.2.2

Hours of possible darkness = 24 - Hdaylight

the number of hours between sunrise and sunset

Hours of possible darkness on 1 April

Hours of possible darkness on 31 October

Hydrography / hydrographical

charge current

Intensity

Information &Technology

Input / Output

International Association of Classification Societies Ltd.

International Association of Marine Aids to Navigation and Lighthouse Authorities

A global government to government maritime data network (IALA)

IALA approved Classification Society

International Aeronautical and Maritime Search and Rescue (manual)

International Association of Ports and Harbours

International Civil Aviation Organization

International Commission on Non-Ionizing Radiation Protection

Integrated communications system

International Chamber of Shipping

Information and Communications Technology

Identification

International Data Centre (for LRIT)

International Electrotechnical Commission

International Electrotechnical Commission – Technical Committee

Institute of Electrical and Electronic Engineers

Internet Engineering Task Force

International Federation of Shipmasters’ Association

International Harbour Masters’ Association

IMO Instruments Implementation Code

International Labour Organization

Integrity Monitoring (Station)

Indian Meteorological Department

International Maritime Pilots Association

IMO Member State Audit Scheme

International Mobile Satellite Organization

International Mobile Telecommunications

Inertial Measurement Unit

On-Site Infrastructure of the CSS

International Maritime Satellite Organization

Traffic Information Service, as part of the Vessel Traffic Services

Integrated Navigation System, as defined by IMO Performance Standards

Information Services (VTS)

Vessel Traffic Services

International (chart)

Intergovernmental Oceanographic Commission

Initial Operational Capability

Initial Operating Condition

Internet Protocol

Ingress Protection

Intellectual Property Rights

Integrated Power System (self-contained marine) lantern

InfraRed

International Standard Book Number

International Standardization Organisation

International Ship and Port Facilities Security [Code]

International Space Station

Information Technology

Incremental Time Division Multiple Acces

IT Infrastructure Library (V3 = Version 3, service-oriented)

International Telecommunication Union

International Telecommunications Union – Radiocommunications Bureau

Inshore Traffic Zone

Inter - VTS Exchange Format

IALA Waterway Risk Assessment Program

Average current

effective intensity

effective luminous intensity under service conditions

nertia of the water plane

required luminous intensity for the nominal range

measured instantaneous intensity

moment of inertia of a buoy about the axis through the centre of gravity in kg*m

kilogram

Joules per kilogram

Japan Coast Guard

Job Hazard Analysis

Japan Meteorological Agency

Japan Meteorological Service

Job Safety Analysis

Joint Typhoon Warning Centre

Key Performance Indicator

26.4 – 40 GHz

kilogram

12.0 – 18.0 GHz

Luminance

Level (technician training - WWA)

Latitude (in degrees)

World Wide Academy (IALA)

Local Area Augmentation System

Local Area Differential GNSS

Local Area Network

Large Automatic Navigation BuoY

Lowest Astronomical Tide

Latitude

Latitude

Liquid Crystal Display

Liquid Crystal on Silicon

Loran Data Channel

Low Dynamic Range

Light Dependent Resistors

Light-Emitting Diode

Low Earth Orbit

Low Frequency (30 kHz–300 kHz)

kilohertz

Lithium-iron Phosphate (battery)

Local Integrity Monitoring

Low noise amplifyer

Low Noise Front End

Liquid Natural Gas

Longitude

Line of Position

Long Range Navigation System

Longitude

United States of America

Time of Arrival

Time Of Arrival of an event in a signal

Table 3 of ENAV19-13.2

Table 3 of ENAV19-13.2

Level of Service (or LoS)

Line of Sight

Local Public Address Service of the CSS

Local Public Address Service of the CSS

Laser Phosphor Display

Local Port Services

Logical Shore Station (AIS)

Long Term Evolution (Standard)

Low Voltage Directive

lumen

International Convention on Load Lines (LL)

lux

metacentre

Machine-to-Machine

Message Authentication Code

A PIANC technical working group

The World Association for Waterborne Transport Infrastructure

Maritime Security Services

International Convention for the prevention of pollution from ships (IMO 1973) (as amended)

Maritime Surveillance

Maritime Assistance Service

IALA Maritime Buoyage System

Maritime Cloud (ENAV)

Maritime and Coastguard Agency (UK)

Metadata

Maintenance Document

ENAV19-13.6 Figure 16

Metadata Registries

Minimum Detectable Signal

Medical evacuation

Micro Electro Mechanics System

Medium Earth orbit

Geographical sea regions for the purpose of co-ordinating the transmission of meteorological information

Mission Essential Meteorological and Oceanographic Center

Meteorological and Oceanographic

Medium Frequency (300 kHz to 3 MHz)

Mean Frequency

Medium Frequency Broadcast Service of the CSS

Météo France

Mean Higher High Water

Mean High Water

Mean High Water Springs

Maritime Identification Digit

Military

Military Standard (US)

United States (of America)

Mobile Interrogation Monitoring

Maritime Information Overlays

Maritime Identity Registry

Minimum Keyboard and Display

Micro LED

Mean Lower Low Water

Ministry of Land, Transport and Maritime Affairs (Korea)

Mean Low Water

Mean Low Water Springs

ENAV19-11.4 Table 4 (Man Machine Interface?)

Maritime Messaging Service of the CSS

Maritime Mobile Service Identity

Magnetic North

Man over board

Man Overboard AIS device

metal oxide semiconductor field-effect transistor (also MOS FET & MOS-FET)

Marine Protected Area

Moving Pictures Expert Group

Maximum Power Point Tracking (for battery charging)

Maritime Portfolio Registry Service of the CSS

Master/Pilot Exchange

Maritime Rescue Coordination Centre

Maritime Radio Communications Plan (IALA)

Maritime Resource Name (ENAV)

Multi-purpose Satellite Augmentation System developed by the Government of Japan

Maritime Safety Committee (IMO)

AIS Message

Maritime Safety Information

Maritime Safety Information Service

Minimum Shift Keying

Maritime Spatial Planning

Maritime Service Portfolio

Maritime Safety & Security Information System (US)

Multiple Source Sector Light

Message type (AIS)

Mean Time Between Failures

Mean Time Between Outages

Moving Target Indication

Maritime Transportation System

Mean Time to Service Restoration

Mean Time to Repair

Medium Wave Broadcast Service of the CSS

Meteorology / meteorological

Morse (code)

Memorandum of Understanding

North

No

Newton

Julian date

Number of cells

Not applicable

Newtons per square millimetre

Navigation Assistance Service (VTS)

National Aeronautics and Space Administration (US)

Sub-Committee on Safety-of-Navigation (IMO)

Geographic areas in which various governments are responsible for navigation and weather warnings

NAVigational DATa (a data transmission service)

IALA manual covering all aspects of marine Aids to Navigation and is updated every four years

Navigation Plan

Navigational Telex (a data transmission MSI service operating on 500 KHz)

Navigational Warning(s)

second

Norwegian Coastal Administration

Non-Conformance Reports

Natural Colour System (Sweden)

National Centre for Sensor Research

Sub-committee on Navigation Communications and Search and Rescue (IMO)

NAVDAT Service of the CSS

Northwest European Loran System

National Hurricane Centre

National Imagery and Mapping Agency

Navigational Information Service

National Institute of Standards and Technology (Japan)

Network Identity and Time Zone

Nautical Mile

National Marine Electronics Association

Nuclear Magnetic Resonance

Nautical Publication

Navigation System Error

Namespace Specific String

New Technology radar

National Telecommunications and Information Administration

Network Time Protocol

Navtex Service of the CSS

Network Common Data Form

Nickel

Nickel Cadmium (battery)

Nickel Cadmium (battery)

Nickel-Metal Hydride (battery)

Nickel Metal Hydride (battery)

Notices to Mariner

Notice to Mariners

Networked Transport of RTCM via Internet Protocol

Radio Technical Commission for Maritime Services

axis of the centre of water plane

Old Age Pensioner

Original Equipment Manufacturer

Object-oriented Engineering Process

Office of the Telecommunications Authority

Open Geospatial Consortium

Occupational Health & Safety

Official Journal of the European Union

On-the-Job Training

Officer of the Watch

Technical Operating Personnel of the CSS

Ocean Policy Research Foundation

Operational Presentation Surface

Operational Performance Statement

Offshore Renewable Energy Installation

Operating System

On-scene commander

Occupational and Safety Health Act (USA)

Open Systems Interconnection (model)

Open Graphics Library

Protection and Indemnity (clubs or insurance)

Phase Alternation Lines

Parabolic Aluminized Reflector lamp

Ports and Waterways Safety Assessment (IALA)

Pre-broadcast Monitoring

Politically Correct

Phase Code

Personal Computer

Physical Configuration Audit

Phase Code Interval

PSS Control Unit (AIS)

Practical Salinity Scale

Physical Shore Station (AIS)

Probability of Detection

Project Delivery Department

Portable Document Format

Precision Direction Light

Port Entry Light

Proton Exchange Membrane

Political, Economical, Social, Technological (analysis)

Probability of False Alarm

Presentation Interface

Performance Indicator

ENAV19-13.6 Figure 16

Product Information File

Peak inverse voltage

Public Key Infrastructure

Program Manager (IALA WWA)

Planned Maintenance

Position, Navigation and Timing

Post Office

Persons on-board

Probability of detection

Position Determination Service of the CSS

ENAV19-13.6 Figure 21

Personal Protective Equipment

Pulse Position Modulation

Precise Point Positioning

Portable Pilot Unit

Pseudorange

pseudo-range correction

Pulse Repetition Frequency

Product Specification

Port State Control

Peak Side Lobe Ratio

Particularly Sensitive Sea Areas

Pan, Tilt, Zoom

Persistent Unique Identifier

Photovoltaic

Polyvinyl acetate

Position, Velocity and Timing

Pulse Width

Pulse Width Modulation

power consumption between flashes

power consumption during flash

daytime power consumption

lamp's steady state power requirements (watt)

Question and Answer

Quality Assurance

Quality Management System

Quality Safety Audit

Quad Extended Graphics Array

Quality of Service

Reserve buoyancy

Reflected amplitude

Range (also ρ)

The Research and Radionavigation Directorate (GLA)

Radio and Telecommunications Terminal Equipment

Reverse Osmosis

Risk Assessment

RADar beaCON (Radar transponder beacon)

Radar Service of the CSS

Radio Detection and Ranging

Redundant Array of Independent Disks

Receiver Autonomous Integrity Monitoring

RAL colour system (Reichs-Ausschuß für Lieferbedingungen und Gütesicherung)

Response Amplitude Operator

Random Access Time-Division Multiple Access

Reference Broadcast Synchronization

Rescue Co-ordination Centre

Raster Chart Display System

Radar Cross Section

Radio Direction Finder

Radio Data System

Registration, Evaluation, Authorisation and Restriction of Chemical Substances

Great Barrier Reef and Torres Strait Ship Reporting System

Great Barrier Reef and Torres Strait Vessel Traffic Service

Regional ENC Coordination Centre

Radio Frequency

Request for comments (IETF)

Relative Humidity

Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 1995 (UK)

ENAV19-13.6 section A.2.2 (or should this be RIMS?- See also Figure 29)

righting moment

Recognized Maritime Picture

Root Mean Squared

Radio & Radionavigation Committee (IALA)(old)

Raster navigation chart

Rate of Turn

Revolutions per minute

Radio Regulations (ITU-R)

Range Rate Correction

Reference Station

Reference Station Integrity Monitor

Radio Technical Commission for Aeronautics

Radar Target Enhancer

Rich Text Format

Real Time Kinematic

Remote Telemetry Unit

Recommendation (IALA)

geographical range

Reduction of Hazardous Substances

Royal Society for the Prevention of Accidents (UK)

Reception / Receiver

South

Geospatial Information Registry (IHO)

IHO ENC Product Specification (under development in 2015)

IALA domain for S-100 Product Specifications

Standards for Hydrographic Surveys (IHO)

Standard and the portrayal of colours and symbols in ECDIS (IHO)

IHO Transfer Standard for Digital Hydrographic Data

IHO Data Protection Scheme

Operational Procedures for the Organization and Management of the S-100 Geospatial Information Registry

Secretary-General

Satellite IALA-NET

a standard mode of presentation and operation for navigation displays, triggered by a single button

2.0 – 4.0 GHz (Note : military designation is F-band)

Signal to Noise ratio

Safety of Navigation

Selective Availability

Selected Availability (GNSS)

Satellite AIS

Service Area Monitor

Search and Rescue

International Convention on Maritime SAR (1979)

SAR Mission Co-ordinator

Satellite-based Synthetic Aperture Radar

Search and Rescue Transponder

Support of Allied Services (VTS)

Site Acceptance Test

Satellite

Satellite-Based Augmentation System

Shore-Based Wide Area Network Service of the CSS

Swinging Circle

Special Committee (RTCM)

Supervisory Control and Data Acquisition (system)

Service Center Time Stamp

Software defined

Ship Data Consistency Analysis Service of the CSS

Synchronous Digital Hierarchy

System Electronic Navigation Chart

Standard Format for Electronic Exchange of AtoN Product Information

Standard Generalized Markup Language (ISO 8879 :1986)

Sidereal Hour Angle

Secure Hash Algorithm

International System of Units

Shipping Industry Database Service of the CSS

Signs and Signals on Inland Waterways, UN, ECE, Resolution No 22

IMO e-Navigation Strategy Implementation Plan (NCSR1/28, Annex 7 as adopted by MSC94, Nov. 2014)

Signal In Space

Service-Level Agreement

Swedish Maritime Administration

Specific, Measurable, Achievable, Realistic, Time scaled

SAR Mission Co-ordinator

Standard Marine Communication Phrases (IMO)

Safety Management Plan

Short Message Service

Safety Management System

Short Message Service Centre

Sustainable Maritime Transportation System

Safety of Navigation Circular (IMO)

Standardization of Nautical Publications Working Group (IALA)

Signal to Noise Ratio

Service Oriented Architecture

State of charge

Speed over Ground

International Convention for the Safety of Life at Sea (IMO 1974 as amended)

Standard Operating Procedures

Self-Organising Time-Division Multiple Access

Special Protected Area

Software Quality Assurance

Ship Reporting System

Search and Rescue Unit

Signal Strength

Sea State

Sensitivity-Time Control

International Convention on Standards of Training, Certification and Watchkeeping for Seafarers (IMO)

Standard

Sea Traffic Management

Space Vehicle (GPS)

Short Wave Communication Service of the CSS

Short Wave GMDSS Service of the CSS

Safe Work Method Statement

Safe Work Procedure

Standing Wave Ratio

Silicon

Signals of Opportunity

Time period

roll period

Transmissivity

To Be Advised

observation duration

To Be Determined

Tool Box Meeting

True Bearing from Seaward

Tributyltin (anti-fouling paint)

Technical Committee (ITU)

Transmission Control Protocol

Transmission Control Protocol/Internet Protocol

Time to Closest Point of Approach

Time Difference

Time-Division Multiple Access

Technical

Twenty-Foot Equivalent Units

Trinity House

Trinity House Lighthouse Service

Telemedical Maritime Assistance Service

Training Management System

Time/Motion Studies

True North

Training Organisation

Time of Emission

International Convention on tonnage measurement of ships (IMO)

Traffic Organisation Service (VTS)

Time of transmission

Timing Synch Protocol for Sensor Networks

Transmission Regulatory Authority

Total System Error

Transfer Standard Maintenance and Application Development Working Group (IHO)

Traffic Separation Scheme (IMO)

Time to Alarm

Traffic Technology Centre (Germany)

Television

Territorial Waters

character duration

flash length

Transmissivity

a light's period

Transmission / Transmitter

Use Case

University Corporation for Atmospheric Research

User Differential Range Error (GPS)

Ultra High Frequency (300 MHz and 3 GHz)

User Interaction Service of the CSS

Under Keel Clearance

UK Hydrographic Office

Unified Modelling Language

United Nations Educational, Scientific and Cultural Organization

Uninterruptable Power Supply

User Requirement

Uniform Resource Locator

Uniform Resource Name

United States Coast Guard

United States Department of Transportation

Coordinated Universal Time (Universal Time Co-ordinated)

Universal Character Set (UCS) Transformation Format — 8-bit; (ISO/IEC 10646)

binary digit

Universal Transverse Mercator (Projection)

Universally Unique Identifier

Ultra Violet (light) (10 – 380 nm)

nanometre (wavelength)

Ultra Extended Graphics Array

Uplink

Volume

Volt

Visibility

Value Added Data Processing Services group of CSS

Value Added Tax

Vertical Axis Wind Generator

Vertical Axis Wing Turbine

volume of buoyancy (m³)

VHF Data Exchange

VHF Data Exchange System

VHF Data Link

Voyage Data Recorder

Vector Chart Service of the CSS

Visual Flight Rules

Visiting Friends and Relatives (Family)

CCTV Video Service (Closed Circuit Television) of the CSS

Very Large Crude Carrier

ENAV19-11.4 Figure 7

Vessel Monitoring System

Volatile Organic Compounds (paints and solvents)

Voluntary observing ship

Virtual Private Network

Virtual Reality

Valve-regulated lead-acid (battery)

Virtual Reference Station

Virtual Satellite

Vessel Traffic Centre

Vessel Technical Error

Vessel Traffic Information Service

Vessel Traffic Management

Vessel Traffic Management and Information System

Vessel Traffic Management and Information Services

Vessel Traffic Service Officer

VTS Operator

Voice over Internet Protocol

weight

watt

watts per kilogram

Wide Area Augmentation System developed by the Government of the United States

Wave activated generator

Wide Area Network (e.g. the internet)

acceleration due to gravity (m/s2)

Worldwide Electronic Navigational Chart Database

Word Error Rate

Western European Tanker Reporting System

Web Feature Service

Working Group

World Geodetic System 1984 (datum and spheroid)

waterline

initial waterline

heeled waterline

World Meteorological Organization

waterplane

World Radiocommunications Conference

World Radio Conference (ITU)

World Wide Navigational Warning Service

World-Wide Radiocommunication

World-Wide Radio Navigation

World Wide Radio Navigation Plan (IALA)

World Wide Radio Navigation System (IMO)

World-Wide Radionavigation Warning Service

watt hour per day

watt-hour per kilogram

Wireless Fidelity (local area wireless computer networking)

Worldwide Interoperability for Microwave Access

Watts peak

Watt seconds

8.0 – 12.0 GHz (Note : military designation is I-band)

Extensible Mark-up Language

XML accompanied by a style sheet

Yes

Youth Hostel Association (UK)

required vertical divergence angle

candela

compare

centimetre

cross section area

deciBel

deciBel isotropic

deciBel milliWatt

Enhanced LORAN

e-Navigation

foot

foot-Lambert (Illuminance)

metres per second squared

hour

hours per day

hectoPascal

coefficient of sensitivity

kilovolt

Kilowatt

kilowatt hours per square metre per year

kilogram per litre (specific gravity)

kilograms per metre

kilograms per cubic metre

kilogram-force

kilometre

kilometres per hour

litres / hour

metres per second

square metre

cubic metre

microampere

milliampere

millivolt

milliwatt

mass of the buoy (kg)

meteorological / hydrological (information)

mass of each component (kg)

minutes of arc

millimetre

millimetre per hour

miles per hour

millisecond

unit of luminance equivalent to one candela per square metre

numeric scale used to specify the acidity or basicity (alkalinity) of an aqueous solution

per annum

Parts Per Million

density (kg/m³)

ENAV19-13.2 Table 4 (Does this refer to the Rho-Rho Navigation System?

steradian (square radian)

hour angle

degree

plus or minus

microvolt per metre (signal strength)

microsecond

ohm

Antenna efficiency

micrometre

less than or equal to

greater than or equal to

less than

greater than

percent

One dimensional

Two dimensional

Three dimensional

3rd Generation (of mobile telecommunications technology)

4th Generation (of mobile telecommunications technology)

Four Wheel Drive