Marine Aid to Navigation
A device, system or service, external to vessels, designed and operated to enhance safe and efficient navigation of individual vessels and/or vessel traffic.
Other forms: Aids to Navigation (plural), AtoN
This definition of the term Aid to Navigation is in accordance with the IALA Constitution.
The use of the definition from the original IALA Dictionary has been discontinued.
Aid to Navigation
International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM