The annual summary of admiralty notices to mariners, also popularly known by its publication number NP 247 (1) and (2), is a publication issued by Admiralty (UKHO)on yearly basis. The notices advice mariners on important matters related to ship’s navigation, hydrographic information, aids to navigation, and changes in shipping channels.
Annual Summary of Admiralty Notices to Mariners (NP247) contains the Annual Statutory Notices to Mariners Numbers 1-26, a summary of Temporary and Preliminary Notices to Mariners still in force at the start of the year, and a Cumulative Summary of Amendments to Admiralty Sailing Directions.