71
9
■ Lost target
the vessel last transmitted data, as described below.
The “Lost target” icon disappears from the plotter display 6 minutes and 40 seconds after
the vessel was regarded as a “Lost target.” Ask your dealer for details.
The criteria to become a Lost target
• Class A/B
Vessel type
Lost target
maximum interval
Class A
Lost target
maximum interval
Class B *
1
CS *
2
SO*
3
1
Class A: Vessel is at anchor, moored and
not moving faster than 3 knots
Class B: Vessel is not moving faster than 2
knots
1080 seconds 1080 seconds
2
Vessel is at anchor, moored and moving
faster than 3 knots
60 seconds
3
Class A: Vessel is moving between 0 and
14 knots
Class B: Vessel is moving between 2 and
14 knots
60 seconds
180
seconds
4
Class A: Vessel is moving between 0 and
14 knots while changing course
Class B: Vessel is moving between 2 and
14 knots while changing course
60 seconds
5 Vessel is moving between 14 and 23 knots 36 seconds
90
seconds
6
Vessel is moving between 14 and 23 knots
while changing course
36 seconds
7 Vessel is moving faster than 23 knots 30 seconds
30
seconds
8
Vessel is moving faster than 23 knots while
changing course
30 seconds
9 Vessel is moving faster than 2 knots
180
seconds
moored.
*2 CS: Carrier-sense,
*3 SO: Self organized
• Others
Category Lost target maximum interval
SAR aircraft 60 seconds
AtoN 1080 seconds
Base station 60 seconds
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