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Appendix A ABBREVIATIONS

United Kingdom

Original text. Later amendments are not shown.

AIApplication Identifier
AISAutomatic Identification System
ADNEuropean Agreement concerning the International Carriage of Dangerous Goods by Inland Waterways
ASCIIAmerican Standard Code for Information Interchange
ASMApplication Specific Message
AtoNAids to Navigation
DACDesignated Area Code
DGNSSDifferential GNSS
FIFunctional Identifier
GLONASS(Russian) GLObal NAvigation Satellite System
GNSSGlobal Navigation Satellite System
GPSGlobal Positioning System
HDGHeading
IAIInternational Application Identifier
IDIdentifier
ITUInternational Telecommunication Union
MMSIMaritime Mobile Service Identifier as referred to in ITU Recommendation ITU-R M585
ROTRate Of Turn
Class B SO/CSClass B mobile stations using either carrier-sense time division multiple access (CSTDMA) technique ('CO'), or Self-organising time division multiple access (SOTDMA) technique ('SO')
SOLASSafety Of Life At Sea
SQRTSquare root
UTCUniversal Time Coordinated
VHFVery High Frequency
VTSVessel Traffic Services