We hold a wealth of marine geospatial data from seabed to surface, offshore and beyond. Through the ADMIRALTY Marine Data Portal, users can access extensive data on bathymetry, wrecks and …

ADMIRALTY digital chart services offer the world's most comprehensive official maritime chart coverage

The Royal Navy and all UK defence vessels, from ships to submarines, rely on the UKHO and our ADMIRALTY products and services for safe navigation. We work closely with maritime forces and …

The ADMIRALTY Vector Chart Service (AVCS) provides the widest official ENC coverage available, enabling ships to navigate on ECDIS for the entirety of most major routes on a single chart service.

ADMIRALTY List of Lights and Fog Signals Official light and fog signal information for over 85,000 light structures.

Notices to Mariners Weekly Daily Cumulative AnnualSelect year

6 days ago · The ADMIRALTY Digital Catalogue (ADC) provides a comprehensive and up-to-date reference of ADMIRALTY products and services, including Standard Nautical Charts and Nautical …

Dec 8, 2025 · The latest news and insights on ADMIRALTY Maritime Data Solutions and the UK Hydrographic Office.

Discover how S-100, the next generation of data standards, will transform the way decisions are made from ship to shore.

The UK Hydrographic Office (UKHO) produces electronic and paper nautical charts through its ADMIRALTY portfolio, including comprehensive chart coverage of the world’s commercial shipping …