Appendix B Menu List and Materials B-136
Category name Object name
Icon button display
example
Alert generated when
the own ship approaches
the object
(Obstructions) Direction and color of
buoyage for approaching
harbor in IALA region B
(green to port)
No alert
Fairway with one-way traffic
in direction indicated
No alert
Fairway with two-way traffic
No alert
Inshore traffic
No alert
Recommended traffic
direction between parts of a
traffic separation scheme, or
for ships not needing a deep
water route
No alert
Recommended two-way
track as an area, based on
fixed marks
No alert
Recommended one-way
track as an area, based on
fixed marks
No alert
Traffic roundabout
No alert
Reciprocal traffic directions in
a two-way route of a traffic
separation scheme
No alert
Single traffic direction in a
two-way route part of a traffic
separation scheme
No alert
Traffic crossing area
No alert
Part of deep water route
No alert
Reciprocal traffic directions in
a two-way part of a
deep-water route
No alert
(Obstructions) Traffic direction in a one way
lane of a traffic separation
scheme
No alert