Allships

Preferred Channel Marker - Starboard

Red/Green Buoy

Preferred channel to starboard. Red 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. More information about International Association of Marine Aids to Navigation and Lighthouse Authorities