11-1  Section 11    Monitoring a Dragging Anchor 
 
 
 
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付録
 
 
Section 11 Monitoring a Dragging 
Anchor 
Anchor Watch is a function that sets a circular or polygonal dragging anchor monitoring area around 
the own ship and realizes safe voyage by generating an anchor alert when a part of the outline of the 
own ship exceeded the monitoring area.     
 
 
 
 
 
Dangerous based on the judgment 
Generates a dragging anchor monitoring 
alert 
Safe based on the judgment 
Center of   
monitoring circle 
Radius of monitoring 
circle 
 
 
 
Generates a dragging anchor 
monitoring alert 
Safe based on the judgment 
Dangerous based on the judgment 
Polygonal area 
Dragging 
nchor Monitoring Area