Page 1 A Grieg Group Company

Page 2 A Grieg Group Company T&P from UKHO, called AIO The Admiralty Information Overlay brings the convenience and completeness associated with our Admiralty paper chart series to digital navigation. It includes all Temporary and Preliminary Notices to Mariners (T&PNMs), and is displayed as single layer on top of the ENC. It combines the T&P NMs with additional navigationally significant information from the UKHO’s ENC validation programme, to make passage planning simpler and safer.Admiralty Information Overlay In order to access the AIO the vessel must subscribe to AVCS (admiralty vector chart service). Link: Facts About Digital Charts and Carriage Requirements hartFacts.aspx hartFacts.aspx

Page 3 A Grieg Group Company T&P from MARIS MDS Paper chart module manages the list of UKHO T&P which is updated automatically every week. MDS extracts the positions from the notices and the T&P in force are geo referenced, displayed on the chart and accessible by simple click. MDS may calculate the T&P in force under the route The list of T&P in force intercepting the route is displayed and the user can access the text of the T&P Next: T&P file is displayed in ECDIS, showing automatically T&P in force on top of ENCs