Admiralty Vector Chart Service User Guide 1 3 DM IRALTY SF Digital Services Admiralty Vector Chart Service Version 1 3 User Guide AS MA y A The United Kingdom Hydrographic Office Admiralty Way Taunton Somerset TA1 2DN United Kingdom Tel 44 0 1823 723366 E mail helpdesk ukho gov uk E mail Digital Sales ukho gov uk www ukho gov uk UKHO 2008 All Rights Reserved The copyright in this document which contains information of a proprietary natu
LKO y 7 Creators of TECDIS Quick reference Admiralty Information Overlay AIO in TECDIS Chapter 1 1 1 Temporary and Preliminary T amp P notices are an important part of keeping navigational charts up to date In addition to Jeppesen s T amp P service TECDIS now offer Admiralty Information Overlay AlO by UKHO Setup for AIO With the Admiralty Information Overlay service TECDIS displays T amp P notices as a separate data layer that can be switched on