Aids to Navigation (AtoN)

Aids to Navigation Availability 

Perth Harbour Category 2 Navigation Aids maintained an operational average of 99.92% for period 2023 to 2026. 

I.A.L.A Maritime Buoyage System - Region A Availability Category 2 (target 99% availability)

Perth Harbour complies with the IALA Maritime Bouyage requirements. 

Should a user identify a damaged and defected AtoN (including extinguished lights) please report this to the harbour office in the first instance via harbour@pkc.gov.uk or the incident reporting page - Perth Harbour Incident Reporting | Perth Harbour

A list of Aids to Navigation (AtoNs) located on the River Tay within Perth and Kinross Councils Statutory Harbour limits are available for viewing located Annex 1 of the Perth Harbour Safety Management System. 

Page updated on 20/04/2026 following annual NLB AtoN Availability By Category submission and amendment to list of AtoNs.