Category Archives: Aids To Navigation

Guidelines for Maritime Aids to Navigation

While companies are responsible for purchasing and deploying the visual (lights, buoys and daymarkers) and audible (fog horns) aids to navigation (AtoNs), their proposed safeguards must first gain U.S. Coast Guard approval through a Private Aids to Navigation Application (CG #4143) or a buoy-specific application (CG#2554). These regulations  ensure every navigational aid in use meets appropriate safety standards for the open water.

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