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GPSMAP 400/500 Series Owner’s Manual
41
About AIS Search and rescue Transmitters
AIS Search and Rescue Transmitters (AIS-SART, or SART) are self-contained
devices that transmit emergency position reports when activated. SART
transmissions are different than standard AIS transmissions, so they look
different than standard AIS symbols on the chartplotter. Instead of tracking a
SART transmission for collision avoidance, you track a SART transmission to
locate and assist a vessel.
navigating to a SArT Transmission
When you receive a SART transmission, a distress signal alarm appears.
Select
Review
>
go To
to begin navigation to the SART transmission.
AIS Targeting Symbols
Symbol
Description
AIS vessel� The vessel is reporting AIS information� The
direction in which the triangle is pointing indicates the
direction in which the AIS vessel is moving�
Target is selected�
Target is activated� The target appears larger on the
chart� A green line attached to the target indicates the
heading of the target� The MMSI, speed, and direction of
the vessel appear beneath the target, if the details setting
is set to
Show
(
)� If the AIS transmission from the
vessel is lost, a message banner appears�
Target is lost� A green
X
indicates that the AIS
transmission from the vessel is lost, and the chartplotter
displays a message banner asking whether the vessel
should continue to be tracked� If you discontinue vessel
tracking, the lost target symbol disappears from the chart
or the 3D chart view�
Dangerous target in range� The target flashes while an
alarm sounds and a message banner appears� After the
alarm is acknowledged, a solid red triangle with a red line
attached to it indicates the location and the heading of
the target� If the safe-zone collision alarm is set to
Off
,
the target flashes, but the audible alarm does not sound
and the alarm banner does not appear (
)� If the
AIS transmission from the vessel is lost, a message
banner appears�
