Admiralty Charts and Publications can be maintained so that they are fully up-to-date
for the latest available safety-critical navigational information through the world-renowned
Admiralty Notices to Mariners (NMs) service.
Admiralty NMs contain all the corrections, alterations and amendments for the UKHO's
worldwide series of Admiralty Charts and Publications and are published weekly as
booklets, which are despatched directly from the UKHO.
- Admiralty Notices to Mariners Online
The Admiralty Notices to Mariners Online service enables mariners to download NMs
directly from this website. - To access NMs Online, click here.
- Searchable NMs Database
The UKHO's searchable NMs database, known as NM Websearch, allows users to to search
by Chart number for NM Text, Full Colour Blocks and Notes. - To use NM Websearch,
click here., or go to: www.nmwebsearch.com.
- Additional Notices to Mariners Services
For the latest information regarding update status of UK ENC cells in relation to
UKHO NMs please click here. In addition to Weekly Notices to Mariners, the UKHO
produces the following supplementary NM Publications:
- Annual Summary of Notices to Mariners
- Notices to Mariners Block
- Corrections Notices to Mariners Tracings