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18 December 2017

How to download ADMIRALTY Digital Publications V18 and get the latest tidal data

​​​​​​​​​​​​​​​​​​​​​​On December 14, we released ADMIRALTY Digital Publications (ADP) V18. ​​This new version allows us to send tidal data to ADMIRALTY TotalTide (ATT) users on a more frequent basis, ensuring ships​ have access to the latest information to support tidal predictions. As part of ADP Version 18, certificates will also show ATT's update status in the same format as ADMIRALTY Digital List of Lights (ADLL) and ADMIRALTY Digital Radio Signals (ADRS) to support compliance.


How do I get the latest version of ADP?

Current ADP users can install the latest version of the software using the following methods:

UKHO File Transfer Protocol (FTP)​

Our FTP allows you to download software online through the use of an FTP client. You can access the UKHO FTP using the following credentials:

​> URL: FTP://​
> Username: ukhopublic
> Password: Public12345

ADP weekly update DVD 

ADP users can receive a weekly ADP DVD that contains updates for ADMIRALTY TotalTide (ATT), ADMIRALTY Digital List of Lights (ADLL) and ADMIRALTY Digital Radio Signals (ADRS). The update DVD for Week 52/17 also contains ADP V18 software.

​ADP software DVD

You can also request the new ADP V18 Software DVD from your ADMIRALTY Chart Agent.​

How do I update ATT?

ATT updates can be obtained from the ADP weekly update DVD, or downloaded using direct Internet and direct email methods. You can also download updates from the ADMIRALTY website​. Yo​u can find out how to follow these processes by viewing our range of support films or downloading the ADP V18 User Guide. ​

View the ADP V18 Support Films >

Download the ADP V18 User Guide >