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Category
name
(Caution)
Rescue station
Pilot station
Signal station
Mariner's information note
Mariner's caution note
(Dangerous)
Underwater hazard with a
defined depth
Underwater hazard with
depth greater than 20 metres
Hazard on the surface
Floating hazard to navigation
(Obstructions)
Isolated danger of depth less
than the safety contour
Obstruction, depth not stated
Obstruction in the intertidal
area
Obstruction
Appendix B Menu List and Materials
Object name
B-130
Icon button display
example
Alert generated when the own
ship approaches the object
No alert
No alert
No alert
No alert
No alert
Crossing a danger
(dangerous symbol)
Crossing a danger
(dangerous symbol)
Crossing a danger
(dangerous symbol)
No alert
Because the object
included in ENC does not
change to "Isolated
danger" depending on the
safety contour.
This is defined in S-52.
Crossing a danger
(dangerous symbol)
Crossing a danger
(dangerous symbol)
No alert
Because the object
included in ENC does not
change to "Isolated
danger" depending on the
safety contour.
This is defined in S-52.
Crossing a danger
(dangerous symbol)
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