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The ADMIRALTY Vector Chart Service (AVCS) is the most comprehensive, official digital chart service in the world; with over 12,000 Electronic Navigational Charts (ENCs) from hydrographic offices around the world, packaged and quality assured by the UKHO into a single value-added service.

AVCS helps your crews to navigate safely and efficiently, and helps to keep your ships compliant with flag and port state authorities.

Capitalising on the UKHO’s expertise and position as a leading provider of nautical paper charts, AVCS also incorporates the unique ADMIRALTY Information Overlay (AIO) to help identify areas of possible navigational uncertainty and risk at the voyage planning stage.

More routes, more ports
AVCS provides the widest official coverage, allowing ships to navigate on ECDIS for the entirety of most major routes on a single chart service. Coverage includes the waters of Hong Kong, Taiwan, Thailand, Indonesia, United Arab Emirates, Vietnam and the Malacca Strait. AVCS also includes 2,950 of the biggest and busiest ports worldwide, of which we offer unique coverage for over 200.

Carriage-compliant, 100% official ENCs
All ships using AVCS on board receive a UKHO certificate with the ship name and licence expiry date. This confirms that all ENCs in AVCS satisfy the chart carriage requirements of SOLAS Chapter V.
For local inspection the UKHO certificate is supplied as a digital file that can be easily printed, or viewed through ADMIRALTY e-Navigator Planning Station.

Ongoing safety and compliance
Ensuring every AVCS customer has a complete and up-to-date set of data on board, all AVCS customers receive weekly ENC updates on physical media (CD or DVD), via email or online.
Installing the latest ENC updates on a regular basis ensures safe navigation and compliance with flag and port state requirements.

Purchasing Options
AVCS provides cost-effective coverage of the world's major shipping routes, avoiding the need to purchase unnecessary data. AVCS is sold in two different formats, Folios & Units, offering the ultimate in purchase flexibility.

AVCS is sold in a series of Folios, which are geographic collections of ENCs selected for a specific purpose (e.g. transiting an area). They are designed to make ordering, maintenance and licensing as easy and flexible as possible. Each Folio is automatically maintained for any relevant changes to ENC coverage.

Transit Folios
These are designed to provide all the coverage needed for a vessel to pass safely through a region when not engaging in local trade, saving you the expense of purchasing detailed coverage for regions that you are just passing through, whilst including more coverage to negotiate the choke points such as the Suez Canal and Malacca Strait.

AVCS Transit Folio Overview | Example Transit Folio

Regional Folios
These cover a much smaller geographical area than Transit Folios and include all Coastal and some Approach ENCs, where coastal coverage is not available. Regional Folios are designed for local and coastal trade, where more detailed coverage of complex coastal waters is required. They do not include Port Approaches or Entry.

AVCS Regional Folio Overview | Example Regional Folio

Port Folios
These typically comprise Approach, Harbour and Berthing cells grouped together into a single sales unit. Under typical operational conditions, vessels approaching a port directly from an ocean passage will require only Transit and Port Folios if not engaging in coastal operation.

Where a number of major ports are grouped in a complex waterway (e.g. Japan's 'Bungo Suido and Western Inland Sea'), a single Port Folio may provide coverage for all the ports in the area.

Example Port Folios

Chart by Chart
Hand-pick individual ENC chart coverage that meets the specific requirements of your Fleet to ensure precise coverage of your shipping routes.
All ENCs in AVCS can be selected on a chart-by-chart basis as ENC Units. These Units are the smallest unit of sale allowed by ENC producers and usually contain ENC data approximately equivalent to a paper chart.

Combine AVCS Folios of your choice with individual ENC charts for unrivalled coverage and voyage flexibility.