Preferred Channel Marker - Port
Red/Green Buoy
Preferred channel to port. Green group flashing light (2 + 1).
The International Association of Marine Aids to Navigation and Lighthouse Authorities brings together representatives of the aids to navigation services of more than 80 member countries for technical coordination, information sharing, and coordination of improvements to visual aids to navigation throughout the world.
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International Association of Marine Aids to Navigation and Lighthouse Authorities