Notice to Mariners

Official corrections to charts and publications. Weekly and periodic NMs provide updates to lights, radio services, chart notes, and more. Apply to paper folios and relevant bridge references to maintain compliance and reduce risk during audits and port state control.

Access updates: See Notice to Mariners resources and supporting tools.
Correct the set: Update List of Lights, Radio Signals, and affected charts.
Recordkeeping: Maintain logs and correction tracings with Superyacht & Commercial Logbooks.