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From ship to shore
Supporting safe navigation is at the heart of what we do. Trusted by customers and partners worldwide, we offer quality, innovative maritime navigation solutions through our network of ADMIRALTY Distributors.
ADMIRALTY Vector Chart Service
Explore our world-leading ENC service and access the latest updates and support you need.
ADMIRALTY e-Nautical Publications
We offer updatable, electronic versions of our official ADMIRALTY Nautical Publications.
Find out more about our world-leading publications as e-books.
ADMIRALTY Digital Publications
Bringing simplicity, flexibility and speed to passage planning and navigation. Discover our range of digital publications.
Safety warnings and notices
Get the latest safety information and notices from UKHO.
S-100: Shaping the future of navigation
S-100 is a new data framework that will underpin the next generation of navigation technologies.
The UK Hydrographic Office is at the forefront of developing S-100 solutions by developing and testing new data standards and conducting real-world sea trials.
Discover how the next generation of data standards will transform the way decisions are made from ship to shore.
Find out about the UKHO's involvement in advances across the maritime industry
Explore our case studies
Find out more about the work we do at the UKHO with real-world examples of how we're supporting safe, secure and thriving oceans.
Future S-100 standards
Developed by the International Hydrographic Organization (IHO), S-100 will be the new data standard underpinning the next generation of navigation technology and data exchange in the maritime industry. Find out how we’re supporting the development, testing and use of future S-100 products and services.
Discover our data
We hold a wide range of data gathered from a range of expert providers. This data is sourced by working closely with government organisations, hydrographic offices and other partners around the world.
ADMIRALTY Vector Chart Service
The ADMIRALTY Vector Chart Service (AVCS) is the world’s leading official digital maritime chart service, with around 18,000 official Electronic Navigational Charts (ENCs) to help bridge crews navigate safely and efficiently whilst meeting flag and port State requirements.
Find out more about AVCS by scanning the QR code:
ADMIRALTY Digital Publications
ADMIRALTY Digital Publications (ADP) are computer-based applications of the UKHO’s market-leading paper-based nautical reference guides, including:
• ADMIRALTY TotalTide - Accurate tidal predictions for 7,000 ports and 3,000 tidal streams worldwide.
• ADMIRALTY Digital List of Lights - Official light and fog signal information for 90,000 light structures.
• ADMIRALTY Digital Radio Signals - Official maritime radio communications information worldwide.
Find out more about ADP by scanning the QR code:
ADMIRALTY e-Nautical Publications
ADMIRALTY e-Nautical Publications (AENPs) are official ADMIRALTY Nautical Publications available as e-books, bringing improved efficiency, accuracy and access to information bridge officers need.
90 official ADMIRALTY Nautical Publications are available including Ocean Passages for the World, the Nautical Almanac, the Mariner’s Handbook and many more.
Find out more about AENP by scanning the QR code:
ADMIRALTY Digital Sailing Directions
ADMIRALTY Digital Sailing Directions (ADSD) offers essential information to support port entry and coastal navigation - now in a new, easy-to-use digital format.
This new generation of Sailing Directions provides the same trusted planning information in a new and improved digital format, helping you to create effective passage plans for safe, efficient and compliant voyages.
Find out more about ADSD by scanning the QR code:
ADMIRALTY Vector Chart Service
The ADMIRALTY Vector Chart Service (AVCS) is the world’s leading official digital maritime chart service, with around 18,000 official Electronic Navigational Charts (ENCs) to help bridge crews navigate safely and efficiently whilst meeting flag and port State requirements.
Find out more about AVCS by scanning the QR code:
ADMIRALTY Digital Publications
ADMIRALTY Digital Publications (ADP) are computer-based applications of the UKHO’s market-leading paper-based nautical reference guides, including:
• ADMIRALTY TotalTide - Accurate tidal predictions for 7,000 ports and 3,000 tidal streams worldwide.
• ADMIRALTY Digital List of Lights - Official light and fog signal information for 90,000 light structures.
• ADMIRALTY Digital Radio Signals - Official maritime radio communications information worldwide.
Find out more about ADP by scanning the QR code:
ADMIRALTY e-Nautical Publications
ADMIRALTY e-Nautical Publications (AENPs) are official ADMIRALTY Nautical Publications available as e-books, bringing improved efficiency, accuracy and access to information bridge officers need.
90 official ADMIRALTY Nautical Publications are available including Ocean Passages for the World, the Nautical Almanac, the Mariner’s Handbook and many more.
Find out more about AENP by scanning the QR code:
ADMIRALTY Digital Sailing Directions
ADMIRALTY Digital Sailing Directions (ADSD) offers essential information to support port entry and coastal navigation - now in a new, easy-to-use digital format.
This new generation of Sailing Directions provides the same trusted planning information in a new and improved digital format, helping you to create effective passage plans for safe, efficient and compliant voyages.
Find out more about ADSD by scanning the QR code:
S-100 trial data
With more data being collected and shared across the maritime and geospatial industries than ever before, having a common set of standards is key to making this data accessible, compatible and valuable to those using it both now and in the future.
In support of the development, testing and use of future S-100 products and services, we’ve created a range of S-100 trial data sets that are free to download.