Section 6 Target Tracking and AIS 6-10
Symbol Definition Remarks
Virtual AIS AtoN target
(Safe water)
The target No./AtoN name (xxx) is displayed
next to the symbol.
Virtual AIS AtoN target
(Special mark)
The target No./AtoN name (xxx) is displayed
next to the symbol.
Virtual AIS AtoN target
(Numerical display)
When the numeric data is displayed, the
target symbol is enclosed in a square.
Virtual AIS AtoN target
(Lost display)
The alarm sounds.
The alarm message (Lost) turns orange and
blinks. The symbol is displayed by overlaying
red x marks.
Virtual AIS AtoN target
(Intended location of
missing AtoN)
"Missing" is displayed in yellow at the top of
the symbol. The target No./AtoN name (xxx) is
displayed nearby the symbol.
AIS SAR aircraft Displayed by the same colour as AIS symbol.
Numerical display AIS
SAR aircraft
When the numeric data is displayed, the
target symbol is enclosed in a square.
Lost AIS SAR aircraft
The alarm sounds.
The alarm message (Lost) turns orange and
blinks. The symbol is displayed by overlaying
red x marks.
AIS SAR ship Displayed by the same colour as AIS symbol.
Numerical display AIS
SAR ship
When the numeric data is displayed, the
target symbol is enclosed in a square.
Lost numerical display
AIS SAR ship
The alarm sounds.
The alarm message (Lost) turns orange and
blinks. The symbol is displayed by overlaying
red x marks.
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