Terms & Glossaries of Shipping and Trading

Aids to Navigation

Artificial objects to supplement natural landmarks indicating safe and unsafe waters.

What is Aids to Navigation?

The term "aids to navigation" includes buoys, day beacons, lights, lightships, radio beacons, fog signals, marks and other devices used to provide "street" signs on the water. Aids To Navigation include all the visible, audible and electronic symbols that are established by government and private authorities for piloting purposes.