Appendix B Menu List and Materials B-134
Category name Object name
Icon button display
example
Alert generated when
the own ship approaches
the object
(Buildings) Conspicuous windmill
No alert
(Artificial
Feature)
Navigable lock gate
No alert
Non-navigable lock gate
No alert
Offshore platform
No alert
(Miscellaneous
Station)
Coastguard station
No alert
(Caution) Rescue station
No alert
Pilot station
No alert
Signal station
No alert
Mariner's information note
No alert
Mariner's caution note
No alert
(Dangerous) Underwater hazard with a
defined depth
Crossing a danger
(dangerous symbol)
Underwater hazard with
depth greater than 20 metres
Crossing a danger
(dangerous symbol)
Hazard on the surface
Crossing a danger
(dangerous symbol)
Floating hazard to navigation
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.
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