JRC JMR-7230-S3 - Types and Definitions of AIS Target Symbols

6-7 Section 6 Target Tracking and AIS
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6.3.3 Types and Definitions of AIS Target Symbols
Symbol Definition Remarks
Sleeping target
This symbol is displayed when received data is
valid. The direction of the triangle's vertex
indicates the target's heading or course.
Activated target
The heading direction is displayed with a solid
line, and the course vector is displayed with a
dotted line. The line perpendicular to the heading
direction indicates the direction to which the
course is to be changed. This line may not be
displayed.
Outline display The outlines of ships are displayed scaled down.
Numeric displayed
target
When the numeric data is displayed, the target
symbol is enclosed in a square.
Dangerous target
The alarm sounds.
The alarm message (CPA/TCPA) turns red and
blinks.
The symbol is enlarged and displayed in red.
Lost target
The alarm sounds.
The alarm message (Lost) turns orange and
blinks.
The symbol is displayed by overlaying red x
marks.
Sleeping AIS-SART
target
Displayed by the same color as AIS symbol.
Activated AIS-SART
target
Displayed target No. nearby the symbol.
Numerical display
AIS-SART target
When the numeric data is displayed, the target
symbol is enclosed in a square.
Lost AIS-SART
target
Displayed if AIS-SART data is not received for 6
minutes.
AIS12
AIS12
AIS12
AIS12
25166028
AIS12
AIS12
AIS12
AIS12