​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​ADMIRALTY e-Nautical Publications (AENPs) are official ADMIRALTY Nautical Publications available as e-books. Easy to use and update, they bring improved efficiency, accuracy and access to information bridge officers need.

STEP 1: Sign up

User requirements for E-Nautical Publications

STEP 2: Log in



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Key features of AENPs include:

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

    • ​87 official ADMIRALTY Nautical Publications available in an electronic format. The range includes Sailing Directions (Pilots), Ocean Passages for the World, the Nautical ​​​​Almanac, the Mariner’s Handbook and many more.

    • Approved for use by the Flag States of over 80% of ships trading internationally, with clear display of NM updates to aid inspections.​


Fast and accurate NM updates

AENPs are updatable, electronic versions of official ADMIRALTY Nautical Publications such as Sailing Directions (Pilots) 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 AENP Viewer snapshot function helps bridge crews to view, save and print AENP pages as well as any applicable NMs and addendums, which can be used to support passage planning.​

Do you want to see AENPs in action? Our product demonstration film shows you how easy it is to update ADMIRALTY Sailing Directions (Pilots) as an AENP in comparison to its paper equivalent


Carriage compliance

AENPs 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 80% of ships trading internationally. AENPs can also aid inspections by clearly showing when a publication was last updated with weekly NMs.Find out below on the Compliance tab which Flag States have approved the use of AENPs.


A growing list of ADMIRALTY e-Nautical Publications

The expanding range currently includes 87 electronic versions of official ADMIRALTY Nautical Publications. Simply click on a link to find out​ more about each publication.

Available through ADMIRALTY e-Reader 1.3 or as part of ADMIRALTY gateway

ADMIRALTY e-Nautical Publications are available to use in ADMIRALTY e-Reader 1.3 or through the AENP Viewer in ADMIRALTY gateway. Both easy-to-use applications help bridge crews by simplifying updating, viewing and reporting tasks.

Find out more about ADMIRALTY gateway >


Approved by the Flag States of over 80% of ships trading internationally, AENPs 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 ​AENP ​Documentation where applicable ​Comments / Conditions
​Antigua & Barbuda ​​ SLS.14/Circ​.239​​
​Australia ​​​ MO21
​Azerbaijan ​​​​​ ​​ ​​Approval Letter
​Bahamas ​​ ​​ BMA-51, 20 Sept 2011​
​Barbados ​​​ ​​ SLS.14/Circ200​​
​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
​Cyprus Circ No 17/11
​Denmark (inc Greenland) SLS.14/Circ296
​Estonia Approval Letter
​Faroe Islands 01/2011
​Finland ​MMK 11/2007
​France ​Approval Letters
English | French
​Relevant section is 221-V/27, on page 389
​Georgia ​Approval Letter
​Germany SLS.14/Circ1901
​Ghana ​​Approval Letter
​Gibraltar SGN 052
​Greece SLS.14/Circ.302
​Hong Kong   Hong Kong Circular 7
​Iceland Approval Letter
​Ireland MN No 45/09
​Isle of Man ADP Approval Letter 
e-NP Approval Letter
​Israel Approval Letter

Approval Letters                         English | Italian
​Japan Approval Letter
​Kiribati MC 13/2010
​Latvia Approval Letter
​Liberia Approval Letter​
Marine Notice ADM-007 Rev. 5/08
​Lithuania ​Approval Letter
​Luxembourg CAM 06/2012
​Malaysia MSN 64-2011
​Malta SLS.14/Circ.299
​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)
​Mauritius Approval Letter
​Mexico ​Approval Letters
English | Spanish
​Moldova Approval Letter
​New Zealand
​Norway SLS.14/Circ.213
​Panama MMC-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
​Philippines Approval 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)
​Seychelles Approval Letter
​Sierra Leone Approval Letter
​Singapore SLS.14/Circ.320
​Slovenia ​Approval Letters
English | Slovenian
​South Africa
​Sri Lanka Approval Letter
​St Kitts and Nevis Approval Letter
​St Vincent and the Grenadines SOL 008
​Sweden SLS.14/Circ.265
​Thailand Approval Letter
​Trinidad and Tobago Approval Letter
​Turkey ​Approval Letters
English | Turkish
​Please refer to page three of linked documents
​Tuvalu MC01/2011/01
​UK ADP Approval Letter
e-NP Approval Letter
​United Arab Emirates
​USA Approval Letter



Recommended minimum requirements

Our recommended minimum requirements to run AENPs via the ADMIRALTY e-NP Reader 1.3 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-Reader 1.3 and the associated AENPs 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 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 ADMIRALTY e-Reader​ 1.3 User Guide 

Download the ADMIRALTY gateway 4.4 User Guide ​

A​DMIRALTY e-Nautical Publications Support Films

​Guides to activation, downloading updates, creating certificates, viewing books and uninstalling the ADMIRALTY e-Reader 1.3 are all available on our YouTube channel: ADMIRALTY TV.

View the Installation Guide of ADMIRALTY e-Reader 1.3 >

View the range of Support Films for AENP Reader 4.2 >

View the range of Support Films for AENP Reader 4.4 >

Downloading updates via the FTP site

We supply all AENP customers with​ weekly electronic updates via Internet download, email or ADP Update DVD. To obtain AENP 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: Public1234

ADP Update DVD

ADMIRALTY e-Nautical Publications can be updated through ADMIRALTY e-Reader 1.3 or ADMIRALTY gateway by using the ADP Update DVD. The ADP Update DVD is released weekly, and contains all AENP editions and Notices to Mariner (NMs) updates, along with user guides and support films.

How to Buy


The majority of AENPs are licensed on an annual basis – noting that NP314 is only purchasable on a 24-month basis – at the following prices. Please note that these prices do not include VAT and other local taxes.


Choosing, ordering and managing AENPs

You may use the ADMIRALTY Digital Catalogue for 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 >