A day beacon is an unlighted nautical sea mark. Typically, day beacons mark channels whose key points are marked by lighted buoys. Day beacons may also mark smaller navigable routes in their entirety. They are the most common aid to nautical navigation in shallow water as they are relatively inexpensive to install and maintain. Navigation around d...
An unlighted fixed structure which is equipped with a dayboard for daytime identification.
An unlighted fixed structure which is equipped with a dayboard for daytime identification.