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If you specify the delivery country before you start shopping, all prices will be displayed in the correct currency and with proper VAT. Transport costs will be added when you add articles to Cart. If the delivery address is outside the EU, no VAT will be added. If the delivery address is within the EU, the currency and VAT is locked to the delivery country.



  • AVCS is compliant with all ECDIS manufactures
  • Orders are processed within few hours
  • Weekly update service 
  • AVCS provides the best ENC coverage of the world
  • Easy administration
  • No paper charts needed as back-up


The Admiralty Vector Chart Service (AVCS) brings together Electronic Navigational Charts (ENC) from national Hydrographic offices around the world in an unique ENC service with worldwide coverage with official ENCs. AVCS is produced by United Kingdom Hydrographic Office (UKHO).

Carriage Compliant

AVCS contains only ENC data that meets SOLAS Carriage Requirements for use within Electronic Chart Display and Information Systems (ECDIS).


AVCS is delivered in S-63 format. S-63 is the International Hydrographic Organisation (IHO) standard for the protection of ENC information.


AVCS is provided under a licence agreement that permits the use for defined periods of time. ENC Units may be added to an AVCS licence at any time for periods of 3, 6, 9 or 12 months.


Updates to AVCS is supplied weekly on CD as standard, ensuring that every AVCS customer has a complete and up to date set of data on board.

Updates are also available over the Internet by using either e-Navigator or the Updating Service, free of charge. The Updating Service can be used to obtain direct updates to AVCS or by email.


As an part of the AVCS Service the Admiralty Information Overlay (AIO) is supplied. AIO is a digital data set that is designed to be displayed over ENCs in the ECDIS to provide additional information to the navigator.

The Overlay contains all Admiralty Temporary & Preliminary (T&P) Notice to Mariners (NM). The Overlay includes all Admiralty T&P in force worldwide and additional information that relates specifically to ENCs, published as ENC Preliminary NM (EP NM). 


Weilbach provides full support on AVCS. This includes:

  • On-board training
  • Video guides for type specific ECDIS
  • Manual guides for type specific ECDIS
  • The use of Team Viewer
  • 24/7 Service on e-mail and phone

How to purchase AVCS

AVCS can not be purchased online. Please contact for further information and support.


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