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Category
Object name
name
(Routes)
Non-regulated recommended
two-way track, based on fixed
marks
Non-regulated recommended
one-way track, based on fixed
marks
Archipelagic Sea Lane
(Restricte
Boundary of an area where
d Area)
entry is prohibited or restricted
Boundary of a restricted area
(Administ
rated
Jurisdiction boundary
Area)
(Fishing
Boundary of an area where
Ground)
trawling or fishing is prohibited
or restricted
(Cable/
Boundary of a submarine cable
Pipe)
area
Submarine cable
Oil, gas pipeline, submerged or
on land
Water pipeline, sewer, etc.
(Miscella
Boundary between IALA-A and
neous
IALA-B systems of lateral buoys
Boundary
and beacons
)
Boundary of a navigation
feature such as a fairway,
magnetic anomaly, etc.
Boundary of a submarine
pipeline area with potentially
dangerous contents
Boundary of a submarine
pipeline area with generally
non-dangerous contents
Appendix B Menu List and Materials
Icon button display
example
B-136
Alert generated when the own
ship approaches the object
Dangerous line
Dangerous line
No alert
Dangerous line
Dangerous line
No alert
Dangerous line
Dangerous line
No alert
No alert
No alert
No alert
Dangerous line
Dangerous line
No alert
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