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Reference
9-56
(1) Symbol Tab - continued
Category Method Graphic
Dangerous underwater rock of uncertain depth
Rock which covers and uncovers or is awash at low
water
Wreck showing any portion of hull or superstructure
at level of chart datum
Non-dangerous wreck, depth unknown
Obstructions
Dangerous wreck, depth unknown
Direction of buoyage
Direction and color of buoyage for approaching
harbor in IALA region A(red to port)
Direction and color of buoyage for approaching
harbor in IALA region B(green to port)
Fairway with one-way traffic in direction indicated
Fairway with two-way traffic
Inshore traffic
Recommended traffic direction between parts of a
traffic separation scheme, or for ships not needing a
deep water route
Recommended two-way track as an area, based on
fixed marks
Recommended one-way track as an area, based on
fixed marks
Traffic roundabout
Reciprocal traffic directions in a two-way route of a
traffic separation scheme
Single traffic directions in a two-way route of a traffic
separation scheme
Traffic crossing area
Part of deep water route
Reciprocal traffic directions in a two-way part of a
deep-water route
Routes
Traffic direction in a one way lane of a traffic
separation scheme
Restricted Area Prohibited or restricted area
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