6-83 Section 6 Target Tracking and AIS
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6.14.3 AIS List
Item Description
ID ID No. of AIS
CPA Closest approach distance
TCPA Time up to closest approach distance
COG or CTW
COG: Course Over the Ground
CTW: Course Through Water
*In ground mode, COG is displayed. In water mode, CTW is displayed.
*Operates in fixed ground mode on the ECDIS screen.
SOG or STW
SOG: Speed Over the Ground
STW: Speed Through Water
*In ground mode, SOG is displayed. In water mode, STW is displayed.
*Operates in fixed ground mode on the ECDIS screen.
Name Ship name
Call Sign Call sign
MMSI Maritime Mobile Service Identity
Source AIS information source
- Direct
- Repeated
- VTS
BCR Bow crossing distance
BCT Bow crossing time
When [CTW/STW/Name/Call Sign/MMSI/Source] is clicked, CTW, STW, Name, Call Sign,
MMSI, and Source are displayed in the rows of list.
When [BCR/BCT/BRG/RNG/HDG/POSN/Status] is clicked, BCR, BCT, Bearing, Range,
Heading, Lat, Lon, and Status are displayed in the row of list.
Display Example
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