Over 18,000 official Electronic Navigational Charts

The ADMIRALTY Vector Chart Service (AVCS) is the world’s leading official digital maritime chart service, with around 18,000 official Electronic Navigational Charts (ENCs) to help bridge crews navigate safely and efficiently whilst meeting flag and port State requirement​s.

Key features of AVCS:

  • Global maritime ENC coverage with more routes and ports than any other competing service
  • Unique ADMIRALTY Information Overlay (AIO) for additional passage planning information​​​​​​
  • Weekly updates available via email, online or on DVD to ensure ongoing safety and compliance
  • Delivered in industry standard S-63 / S-57 formats, guaranteeing compatibility with all ECDIS sold today – even in a mixed fleet
  • Online version available for shore-based activities
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Available around the world


We distribute our products through a global network of experienced and trusted ADMIRALTY Distributors. If you are interested in finding out more about AVCS, please contact your preferred distributor or visit the find a distributor page to locate your closest distributor.



ECDIS and ADMIRALTY Information Overlay compati​​bility

All ECDIS equipment must undergo a type-approval certification process to ensure it meets IMO Performance Standards for ECDIS. AVCS is compatible with all ECDIS and ECS (Electronic Chart Systems) that meet these requirements. You can find out more about type-approval and get advice on ECDIS implementation by talking to an ADMIRALTY Distributor.

The following table lists display systems that currently support both AVCS and the ADMIRALTY Information Overlay (AIO).

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Manufacturer Model AIO Compatible ECDIS Version* ARCS ADMIRALTY TotalTide
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How to update AVCS

Find information to help you update AVCS

AVCS support

Find information to support you in your use of the ADMIRALTY Vector Chart Service



You can purchase charts in AVCS as individual ENCs on a subscription basis for 3, 6, 9, or 12 months where countries allow. You can also purchase additional coverage at any time. Each chart has its own subscription period.

Individual ENCs

Purchasing individual ENCs allows complete control over your chart holdings. You can purchase most ENCs in AVCS on a chart-by-chart basis. Individual ENCs typically contain ENC data approximately equivalent to a paper chart.

Choosing, ordering and managing AVCS

We sell AVCS through an international network of experienced and trusted distributors. Please contact your ADMIRALTY Distributor to discuss the right chart package for you.

If you don't have a preferred distributor, search a list of worldwide ADMIRALTY Distributors on our find an ADMIRALTY Distributor page.


The ADMIRALTY Digital Catalogue (ADC) can also provide you with a comprehensive and up-to-date reference of current ADMIRALTY Maritime Data Solutions, with functionality that allows you to search for products by type, scale or a defined route.

Find out more about the ADC

Screen displaying AVCS Online

AVCS Online

ADMIRALTY Vector Chart Service (AVCS) Online is a shore-based version of the world’s leading maritime chart service that is used on board most ships trading internationally. 


Find out more information about AVCS Online