Acronyms

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