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ADMIRALTY e-Nautical Publications

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



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​​​​​​​​​​​​​​​​​​​​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.

Find out more about the features of e-Nautical Publications >


Here to help

Once you’ve chosen e-NPs we can offer you guidance to help you get the most from the service. Support items include installation guides and YouTube tutorials, with further support available from chart agents and our in-house customer service team.

Find out more about support for e-NPs >


Available around the world

We distribute our products through a global network of experienced and trusted ADMIRALTY Chart Agents. If you are interested in finding out more about e-NPs, please contact your preferred chart agent directly or visit the find a chart agent page to locate your closest distributor.

Find an ADMIRALTY Chart Agent >

Fast and accurate NM updates

e-NPs are updatable, electronic versions of official ADMIRALTY Nautical Publications such as Sailing Directions and the Nautical Almanac. This means that bridge crews can download and apply electronic weekly Notices to Mariners (NMs) updates to publications in just a few seconds every week, improving efficiency and accuracy on board during passage planning tasks.


Easier access to important information

Simple search functionality gives users quick access to important planning information. The e-Reader snapshot functionality also helps bridge crews to view, save and print e-NP pages as well as any applicable NMs and addendums, which can be used to support passage planning.​

Do you want to see e-NPs in action? Our product demonstration film shows you how easy it is to update e-Nautical Publications when compared to traditional, paper publications 

Carriage compliance

e-NPs are designed to meet SOLAS carriage requirements, contain the same official information as their paper equivalents, and have been approved by the Flag States of over three quarters of ships trading internationally. e-NPs can also aid inspections by clearly showing when a publication was last updated with weekly NMs.

Find out which Flag States have approved the use of e-NPs >



Bridge crews can download and apply electronic weekly Notices to Mariners (NMs) updates to publications in just a few seconds every week. Pages can then be saved and printed for use in passage plans


A growing list of e-Nautical Publications

The expanding range currently includes 86 electronic versions of official ADMIRALTY Nautical Publications. Simply click on a link to find out​ more about each publication.


Available now on ADMIRALTY gateway

e-Nautical Publications are available to use on ADMIRALTY gateway. This  single easy-to-use platform helps bridge crews to simplify ordering, updating, viewing and reporting tasks across a range of ADMIRALTY Maritime Products & Services.

Find out more about ADMIRALTY gateway >

Approved by the Flag States of over three quarters of ships trading internationally, e-NPs provide the same level of compliance as traditional ADMIRALTY paper-based publications, for ships trading under these Flag States. Where we are aware that a Flag State Authority (FSA) has issued documentation on the acceptance of UKHO's digital nautical publications or provided guidance on their use, we have listed it in the table below. ​

Important notes:

  • ​​FSAs who accept UKHO's digital nautical publications, but have not issued any specific requirements, may not be listed​

  • If it is not clear whether a FSA accepts UKHO's digital nautical publications as satisfying carriage requirements then shipping companies should contact their FSA or the appropriate RO

  • ​For more information and guidance on the safe and effective use of UKHO's digital nautical publications, please click here

  • ​For more information and guidance on IMO requirements on carriage of publications on board ships please read MSC-MEPC.2/Circ.2​​​​

​Flag State​​ADP​e-NP​Documentation where applicable​Comments / Conditions
​Antigua & Barbuda​​SLS.14/Circ​.239​​
​Azerbaijan​​​​​​​​​Approval Letter
​Bahamas​​​​BMA-51, 20 Sept 2011​
​Belgium​​Approval Letter
​Belize​​​​​​Subject to RO approval
​​Bermuda​​​ADP Approval Letter
e-NP Approval Letter
​Brazil​​Approval Letters
English | BR Portuguese​
​Canada​​​​Approval Letter
​Cape Verde​
​Cayman Islands​​​​​Supp No 3​​
​China​No documentary guidance but Flag State thought to be positive to enquiries
​​Cook Islands​​​​Circ 14​​
​Costa Rica​Approval Letters
English | Spanish
​Curaçao​Subject to an independent backup system operating on a separate power supply
​CyprusCirc No 17/11
​Denmark (inc Greenland)SLS.14/Circ296
​EstoniaApproval Letter
​Faroe Islands01/2011
​Finland ​MMK 11/2007
​France​Approval Letters
English | French
​Relevant section is 221-V/27, on page 389
​Georgia ​Approval Letter
​GibraltarSGN 052
​Hong Kong Hong Kong Circular 7
​IcelandApproval Letter
​IrelandMN No 45/09
​Isle of ManADP Approval Letter
e-NP Approval Letter
​IsraelApproval Letter

Approval Letters                          English | Italian
​JapanApproval Letter
​KiribatiMC 13/2010
​LatviaApproval Letter
​Liberia Approval Letter​
Marine Notice ADM-007 Rev. 5/08
​Lithuania ​Approval Letter
​LuxembourgCAM 06/2012
​MalaysiaMSN 64-2011
​Marshall Islands Marine Notice No. 1-000-3 Rev. 03/16

MN7-041-6 Version 11/12
​When an electronic backup is carried, portions of the publication needed for the planned voyage shall be printed and included with the voyage plan unless the electronic backup is an independent computer system with its own emergency source of power (please refer to the relevant documentation)
​MauritiusApproval Letter
​Mexico​Approval Letters
English | Spanish
​New Zealand
​PanamaMMC-218​Relevant sections of ADP fully corrected and updated pertaining to the vessels planned voyage should be printed off and be available for reference (please refer to the relevant documentation)
​Papua New Guinea
​PhilippinesApproval Letter
​Poland ​Approval Letter
​Russia​Approval Letters
English | Russian
​Subject to inclusion of the use of ADP in the vessel's safety management system and approval by an appropriate classification society (see attached letter)
​SeychellesApproval Letter
​Sierra LeoneApproval Letter
​Slovenia​Approval Letters
English | Slovenian
​South Africa
​Sri LankaApproval Letter
​St Kitts and NevisApproval Letter
​St Vincent and the GrenadinesSOL 008
​Turkey​Approval Letters
English | Turkish
​Please refer to page three of linked documents
​UKADP Approval Letter
e-NP Approval Letter
​United Arab Emirates
​USAApproval Letter

Below you'll find important information regarding compatibility. If you require further information please contact your ADMIRALTY Chart Agent. 

Find your ADMIRALTY Chart Agent >


Recommended minimum requirements

Our recommended minimum requirements to run ADMIRALTY e-NPs via the e-NP Reader are as follows:

  • Hardware: CPU Pentium IV or later

  • Memory: 512 MB as a minimum, 1 GB recommended

  • Monitor: 1280 x 1024 resolution

  • Disk space: 5 GB

  • USB port: v1.2 compatible or later

  • Printer: Colour Printer

  • Memory Stick: 1 GB+

  • Software Operating System: Windows 7 (32 & 64 bit versions) and Windows 8.1 64 bit​

Important notes:

  • ​​​It is recommended that your chosen computer also has up-to-date antivirus software installed​

  • The UKHO will not be in the position to support the ADMIRALTY e-NP Reader and the associated e-NPs used on operating Systems where Microsoft support has been withdrawn


 Our recommended system requirements to run ADMIRALTY e-Nautical Publications via ADMIRALTY gateway are as follows:


  •  Processor: 2Ghz or faster

  • RAM: 4GB

  • Display 1366 x 768 resolution

  • Disk space: 5GB minimum

  • USB port: v1.2 compatible or later

  • Memory stick: 1GB+

  • Software Operating System: Windows 7 (32 & 64 bit versions), Windows 8.1 64 bit and Windows 10 64 bit


It is recommended that your computer has up-to-date antivirus software installed and the most recent Windows updates applied. 

Below you will find information to support you in your use of the ADMIRALTY e-Nautical Publications, including user guides and support films.

If you cannot find the answer to your questions, then please see who to contact below for more details.


ADMIRALTY e-Nautical Publications User Guides

Includes information on getting started, installation, updates, maintenance, uninstalling and other support topics.

Download the e-NP Reader​ User Guide 

Download the ADMIRALTY gateway User Guide 


A​DMIRALTY e-Nautical Publications Support Films

​Guides to activation, downloading updates, creating certificates, viewing books and uninstalling the e-Reader are all available on our YouTube channel: ADMIRALTY TV.

View the range of e-NP​ Reader Support Films​ 


Downloading updates via the FTP site

We supply all e-NP customers with​  weekly electronic updates via Internet download, email or quarterly DVD. To obtain e-NP updates via the Internet, you can use our public FTP website with the following login credentials (the username and password details are case sensitive).

URL: FTP://​

Username: ukhopublic

Password: Public12345



ADMIRALTY e-Nautical Publications can be accessed and updated via ADMIRALTY gateway. The ADMIRALTY gateway DVD is released on a quarterly basis and contains e-NP editions along with the latest versions of software, user guides and support films.


​Who to contact?​​

In the first instance, please contact the Chart Agent that you purchased ADMIRALTY e-NPs from. If they are unable to help then the UKHO Customer Services Team can be contacted on or phone +44 (0) 1823 484444.


All e-NPs are licensed on an annual basis at the following prices. Please note that these prices do not include VAT and other local taxes.


Choosing, ordering and managing e-NPs

We sell all e-NPs through an international network of experienced and trusted chart agents. Please contact your ADMIRALTY Chart Agent to discuss the right package of charts for you and the appropriate pricing model.

If you don’t have a preferred chart agent, then you can search a list of worldwide ADMIRALTY Chart Agents on our find an ADMIRALTY Chart Agent page.

Find an ADMIRALTY Chart Agent >

Alternatively, e-NPs can be purchased through ADMIRALTY e-Navigator Planning Station – a back-of-bridge planning aid that enables bridge crews to view, order and manage ADMIRALTY Maritime Products & Services on board. ADMIRALTY e-Navigator Fleet Manager also allows shipping companies to monitor ADMIRALTY products across fleets, enabling management of cost and compliance.

Find out more about ADMIRALTY e-Navigator Planning Station >

Find out more about ADMIRALTY e-Navigator Fleet Manager >

The ADMIRALTY Digital Catalogue (ADC) can also provide you with a comprehensive and up to date reference of current ADMIRALTY products and services, with functionality that allows you to search for products by type, scale or a defined route.

Find out more about the ADC here >