Transas Admiralty Data Service (TADS) makes paperless navigation a reality, bringing official chart data and other information directly to your ECDIS to meet SOLAS carriage requirements. TADS is available to Transas ECDIS users and users of other ECDIS systems.
Designed to increase safety, save time and simplify chart handling, TADS offers the best coverage and the most accurate data available.
Service, support and consultancy services are all available to help you optimize your navigational needs onboard.



  • TADS gives you full compliance with the ECDIS mandating and paperless navigation;
  • You’ll benefit from the most comprehensive official ENC data available as SENC for Transas ECDIS;
  • Chart handling could not be easier, using Navi-Planner and the Transas Chart Server;
  • SENCs are installed significantly faster than ENCs;
  • Transas offers a ‘Pay As You Sail’ solutions together with TADS;
  • 24/7 support;
  • A complete package of digital solutions and tools;
  • Transas performs additional quality checks to all the ENC data during the SENC conversion.

Display of time dependent objects in Transas ECDIS

Some ENC charts include objects which display depends on the current date. Some objects, such as traffic separation schemes, may have a date when they are introduced or discontinued. These objects are not normally displayed beyond their effective dates.
The software patch for fixing the “Time-dependent objects (TDO)” problem in Transas MFD 4000 ECDIS and Transas Navi-Sailor 3000 ECDIS-I is available to all Transas ECDIS users. To download patches for different ECDIS versions please click here.