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C-MAP Publications

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ADMIRALTY Digital Publications (ADP) are computer-based applications of the UKHO’s market-leading paper-based nautical reference guides. They provide greater efficiency and flexibility than​​​​ their paper counterparts – giving bridge crews fast electronic updates and easy access to the information they need.

Approved by the Flag States of over 80% of ships trading internationally, ADP applications also provide the same level of compliance as traditional ADMIRALTY paper-based publications, for ships trading under these Flag State authorities.

Electronic versions of 86 official ADMIRALTY Nautical Publications, with digital Notice to Mariner (NM) updates and information search



e-Nautical Publications (e-NPs) are electronic versions of official ADMIRALTY Nautical publications. Easy to use and update, they bring improved efficiency, accuracy and access to information bridge officers need.

Weekly Notices to Mariners added accurately in seconds to ensure ongoing safety and compliance.​

Simple search functionality for easier access to important planning information.​

Approved for use by the Flag States of over three quarters of ships trading internationally, with clear display of NM updates to aid inspections.​

86 official ADMIRALTY Nautical Publications available in an electronic format. The range includes Sailing Directions, the Mariner’s Handbook and many more.