Allships

Emergency Wreck Marker

Yellow/Blue Buoy

Placed as close to wreck as possible or in a pattern around wreck. Alternating yellow/blue flashing light

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