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B.4
Lists of Terminologies, Units, and
Abbreviations
Abbreviation
A
A/D = AD
Analog/ Digital
A/P = AP
Auto Pilot
AC
Alternating Current
ACC
Actual Course Change
ACCA
Actual Course Change Alarm
ACK
Acknowledge
ACQ
Acquire, Acquisition
ACT
Activate
AIO
Admiralty Information Overlay (additional information to the navigation)
AIS
Automatic Identification System
ALC
Alert LAN Converter
AMP
Amplifiers
AMS
Alert Management System
ANT
Antenna
ARCS
Admiralty Raster Chart Service (A raster chart published by UKHO.)
ASCII
American Standard Code for Information Interchange
ASIC
Application Specific Integrated Circuit
AtoN
Aids to Navigation
AUTO = auto
Automatic
Av. = AVE
Average
AVCS
Admiralty Vector Chart Service
AZ
Acquisition Zone
AZI
Azimuth Stabilisation Mode
B
BAM
Bridge Alert Management
BCR
Bow Crossing Range
BCT
Bow Crossing Time
BFT
Beaufort
BNWAS
Bridge Navigational Watch Alarm System
BP
Bearing Pulse
BRG
Bearing
BWW
Bearing to waypoint to waypoint
BZ
Bearing Zero
Appendix B Menu List and Materials
Term
B-60
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