Furuno FAR-2218-BB Operator's Manual page 167

AIS Physical
AtoN Symbol
Note 5: Other AIS symbols that may appear are shown in the table below.
Symbol
shown in red when active
Note 6: The CPA and TCPA of SAR aircraft data are not available and are shown as
***.
AIS Virtual
AtoN Symbol
Basic shape
RACON
Emergency wreck mark
North cardinal mark
East cardinal mark
South cardinal mark
West cardinal mark
Port hand mark
Starboard hand mark
Isolated danger
Safe water
Special mark
Off position (Displayed with yellow
line and yellow text)
Light fail or at reduced range
(Displayed with yellow text)
RACON error
(Displayed with yellow text)
Missing
(Displayed with yellow dashed
line and yellow text)
Other AIS symbols (from left, AIS SART (ACTIVE), AIS
SART (TEST), AIS Base station, AIS search and rescue
(SAR) Aircraft, AIS Search and Rescue (SAR) Vessel.)
4. AIS OPERATION
Meaning
Meaning
4-5