Difference between revisions of "Acronyms"

Revision as of 14:09, 19 September 2018

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 < 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

@@ Line 1: / Line 1: @@
-The following is a list of acronyms used in IALA documents.
+The following is a list of acronyms used in IALA documents (Updated 10. July 2016).
-(Updated 10. July 2016)
 ;A	:ampere

Difference between revisions of "Acronyms"

Revision as of 14:09, 19 September 2018

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