ChartCo provides a wide range of digital products to help ease the transition for the mariner from paper to digital. Many publishers are offering a growing range of digital publications and information, with various methods of delivery and licencing. ChartCo can advise on all aspects of replacing paper with digital and integrate all services within PassageManager.

Digital formats of maritime publications provide the mariner with many additional benefits to their paper based equivalent including easy and cost effective licensing, installation and updates which can be downloaded online, quick and easy interrogation of the data and many other modes of functionality.

Digital navigation data products provide the ships bridge and planning room with an easy to use and modern application, which saves considerable time and improves the accuracy of navigation. Digital products are now accepted by many flag states and this trend is growing.

From basic features such as being able to search simple reference terms to complex tidal routing tools, ChartCo's range of digital products are now considered invaluable tools that every navigator needs to have.


ADMIRALTY Digital Publications (ADP) are a digital version of the UKHO's industry leading ADMIRALTY Nautical Publications used by mariners around the world. ADP has been designed to meet SOLAS carriage requirements and where approved by a vessel's Flag State, can replace the requirement for carriage of traditional ADMIRALTY paper publications.

  • ADMIRALTY TotalTide (ATT) equivalent to 64 paper volumes.
  • ADMIRALTY Digital List of Lights (ADLL) equivalent to 12 paper volumes.
  • ADMIRALTY Digital Radio Signals Volume 6 (ADRS6) equivalent to 7 paper volumes.
  • ADMIRALTY Digital Radio Signals Volume 2 (ADRS2) equivalent to 2 paper volumes.
  • ADMIRALTY Digital Radio Signals Volume 1, 3, 4, 5 (ADRS1, 3, 4, 5) equivalent to 2 paper volumes.

All four digital publications are provided on a single CD and can be individually licensed, installed, used and updated via a single common interface that is quick and easy to use.


ADTT is the world's most comprehensive tidal prediction program. This digital version of the ADMIRALTY Tide Tables make calculating tidal heights easy, using a simple to understand graphical interface combined with dynamic heights and curves that change over time. ChartCo as an authorized distributor of ADMIRALTY products can provide ADTT enabling the user fast, accurate tidal height and tidal stream predictions. The software automates the prediction process, reduces the possibility of user error and provides an easy means of viewing both under keel and safe overhead clearances. It contains tidal information for over 7,000 ports and more than 3,000 tidal stream stations worldwide. It is now accepted in place of the paper tide tables as carriage compliant by a growing number of flag states.

ADMIRALTY Digital List of Lights (ADLL)

The worlds most advanced source of light and fog signal information with more than 70,000 unique light structures worldwide. This is a digital version of the international lights list, which comes complete with an easy to use graphical interface. The automatic application of updates substantially reduces the time and effort needed by the mariner to maintain the list. Users are able to receive weekly updates through ChartCo as a key distributor of ADMIRALTY products, by email and CD or access the information online as soon as it becomes available. It is now accepted in place of the paper version by a growing number of Flag States.

ADMIRALTY Digital Radio Signals (ADRS)

ADRS ensures worldwide and up to date maritime radio communications and pilot information. ADRS provides for pilot services, vessel traffic services and port operations.

ChartCo as an authorized distributor of ADMIRALTY products can supply ADRS Volume 6 that provides this information for more than 3,000 service locations, which are updated quickly and efficiently via email or CD every week. ADRS is now accepted in place of the paper version by a growing number of Flag States. ADRS is sold as one of the programs available within the Admiralty Digital Publications package. Volume 6 of the Admiralty List of Radio Signals is the first to be converted into a full-function software tool, eliminating the need for time consuming manual updates.

In addition to ADRS Volume 6 and ADRS Volume 2, ChartCo can also supply ADRS 1, 3, 4, 5 which has been recently added to the ADMIRALTY portfolio.

ADRS 1, 3, 4, 5 assist the mariner in routine radio communications, receiving and providing weather reports and safety information, pollution and quarantine reporting, seeking Telemedical Assistance Services (TMAS) and provide detailed procedures in the event of a distress or SAR incident.

ADMIRALTY Nautical Publications

All 74 ADMIRALTY Sailing Directions plus the Mariner's Handbook and the Nautical Almanac are also available as eBooks. Delivered on a single DVD and updated by means of a small weekly update file, this is another step along the path to a fully digital ship.


eBooks are now available for all major IMO titles and other publications that make up a ship's library.

ChartCo can manage both paper and eBooks through our Outfit Management Service thus ensuring both are kept up to date. ChartCo can provide a cost effective transition from paper to eBooks by gradual replacement as new editions are published.


  • Advanced search facilities.
  • Ability to add bookmarks.
  • Ability to add your own annotations.
  • Re-sizing of fonts.
  • Ability to print sections from the eBook.
  • Single or multiple user options.

Free eReader software can be downloaded or a free DVD containing the reader and titles can be delivered. ChartCo offers publications from a number of publishers, including Witherby and IMO.


Searchable digital equivalence of paper publications for flag state and IMO regulations along with training and consultancy solutions.