Led by AIRBUS, the project involved six airlines (AIR FRANCE, BRITISH AIRWAYS, EASYJET, IBERIA, NOVAIR and WIZZ AIR), four air navigation service providers (DFS, ENAV, EUROCONTROL MUAC and NATS), several industrial suppliers (AIRTEL, HONEYWELL, INDRA, LEONARDO and THALES Avionics), EUROCONTROL’s Experimental Centre, DECMA and the EUROCONTROL Network Manager, as well as associated partners, including LFV and Naviair from COOPANS.

> Here a link to a video summarizing the project and achievements 

To carry out these demonstrations, a total of 90 Airbus aircraft (A319/A320/A321) were equipped with the CPDLC/ADS-C standard called ATS Baseline 2 (ATS B2). As well as the updates to the existing CPDLC messages, the innovative technology relates to ADS-C, the automatic dependent surveillance contract, which enables the downlink of the Extended Projected Profile (EPP) from the flight. The EPP provides the aircraft’s trajectory in four dimensions which can then be displayed to the controllers. It provides early warning of unexpected maneuvers by improving predictability for the controller when displaying the aircraft’s intentions, enhances the ground trajectory prediction, and can be shared between ground units.

By the end of the project, approximately 20,000 successful flights had connected in shadow mode, with 12,000 of these linking to controllers working on the pre-operational MUAC system. In total, more than 1,400,000 ADS-C transactions were logged. The project required pilots from the participating airlines and a selected group of Maastricht controllers to be trained to use the new functionality and avoid increasing complexity in an already demanding environment. DIGITS has shown that this introduction is not only possible, but also desirable, with much positive feedback and suggestions for further improvement.

Over the course of two years, the project successfully proved, via live pre-operations at Eurocontrol’s Maastricht Upper Area Control Centre (MUAC), shadow mode in Germany (DFS), Italy (ENAV) and UK (NATS), and connections to the Experimental Centre in Brétigny, that the European Commission’s Common Project #1 AF6 Initial Trajectory Information Sharing is on track for implementation. The DIGITS project has taken a major step towards trajectory-based operations, and has proven that the ATS B2 technology is ready to be rolled out more widely.

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