Skip to content

Maritime Safety Information


Incoming hydrographic data is immediately assessed for vital information. Urgent updates are issued as Navigational Warnings (RNW's) or chart-updating Notices to Mariners (NMs)

 

 

Notices to Marinershttps://www.admiralty.co.ukNotices to MarinersAccurate weekly updates that provide bridge crews with the latest safety-critical informationYESNO<img alt="" src="/SiteCollectionImages/ContentPodItemImages/NM_POD_Image.jpg?renditionID=17" style="BORDER:0px solid;" /><a href="/maritime-safety-information/admiralty-notices-to-mariners">admiralty-notices-to-mariners</a>

 

 

Radio Navigational Warningshttps://www.admiralty.co.ukRadio Navigational WarningsWorldwide radio navigational warnings and UK coastal warnings for safety and complianceNONO<img alt="" src="/SiteCollectionImages/ContentPodItemImages/Radio-Navigational-Warnings-(RNWs).jpg?RenditionID=17" style="BORDER:0px solid;" /><a href="/maritime-safety-information/radio-navigational-warnings">​radio-navigational-warnings</a>

 

 

Security Related Information to Marinershttps://www.admiralty.co.ukSecurity Related Information to MarinersSecurity of navigation issues and safety critical information associated with military operations. NONO<img alt="Security Related Information to Mariners" src="/SiteCollectionImages/ContentPodItemImages/Maritime-Piracy.jpg?RenditionID=17" style="BORDER:0px solid;" /><a href="/maritime-safety-information/security-related-information-to-mariners">Security-Related-Information-to-Mariners.aspx</a>

 

 

Hydrographic Noteshttps://www.admiralty.co.ukHydrographic NotesAn easy way to inform us of navigationally significant information. NONO<img alt="The ADMIRALTY H-note mobile application" src="/SiteCollectionImages/ContentPodItemImages/ADMIRALTY-H-Note-Application.jpg?RenditionID=17" style="BORDER:0px solid;" /><a href="/maritime-safety-information/hydrographic-notes">Hydrographic-Notes.aspx</a>