Below you will find information to support you in your use of the ATT, including detailed user guides and support films.
If you cannot find the answer to your questions, then who you contact will depend on the nature of your query. Please see who to contact below for more details.
The ADMIRALTY Digital Publications User Guide
Includes information on getting started, installation, updates, maintenance, uninstalling and other support topics.
Download the ADP User Guide
ADMIRALTY Digital Publications Support Films
Guides to activation, downloading updates, generating a support file and uninstalling ATT are all available on our YouTube Channel, ADMIRALTY TV.
View all ADP Support Films
Download ADP Software
ADP software can be downloaded on our public FTP website using the following login credentials (the username and password details are case sensitive).
Who to contact?
In the first instance, please contact the Chart Agent that you purchased ATT from. If they are unable to help then the UKHO Customer Services Team can be contacted on
email@example.com or phone
+44 (0) 1823 484444.
In accordance with the notice of termination below, end-user licence agreements for versions of ADMIRALTY TotalTide up to and including the 2004 edition are now terminated. Support for these products in now withdrawn.
How to use the ADP Updates and Software DVD
Includes information on updating your ADP and e-Readers 1.3 and 1.4 applications using the ADP Updates and Software DVD.
Download the guide to update ADP and e-NP applications using the ADP DVD
Important notice to users of ADMIRALTY TotalTide 2004 and earlier
Variation to end-user licence agreement with versions of ADMIRALTY TotalTide up until the 2004 edition, in accordance with clause 6 thereof.
After the fourth paragraph of that clause is inserted:
"The UKHO may terminate this contract upon provision of one calendar year's notice, posted on an appropriate page on the UKHO website".
Users of ADMIRALTY TotalTide may take the above as being such notice. End user licences for versions of TotalTide will terminate on 7 November 2017.