Boeing, United Airlines Conduct Test Flights on Advanced Digital Communications

Image: PHOTO: United 737 Max9. (photo courtesy of United Airlines)
Image: PHOTO: United 737 Max9. (photo courtesy of United Airlines)
Noreen Kompanik
by Noreen Kompanik
Last updated: 1:15 PM ET, Thu December 11, 2025

With a United 737-8 jet serving as Boeing’s 2025 ecoDemonstrator Explorer, pilots conducted test flight evaluating a modernized data communications system designed to improve information flow between the flight deck, air traffic control and airline operation centers along with reducing air traffic congestion, fuel use, cost and emissions.

"Boeing is proud to lead the advancement of digital communications that significantly enhance safety and operational efficiency in commercial aviation," said Boeing Chief Technology Officer Todd Citron in a statement.

He added, "Our collaboration with United Airlines and the industry team is a pivotal step towards improving the reliability and speed of communication between the flight deck and air traffic control to enable safer, more efficient flight for the flying public."

Flight testing on the 2025 Boeing ecoDemonstrator began in late October for almost two weeks on U.S. flights based in Houston and European flights based in Edinburgh, Scotland.

United 737 Chief Test Pilot Andy McKee said, “The ecoDemonstrator project is an outstanding collaboration to help support the ongoing upgrades within our air traffic control system and enhance safety for our customers and the global aviation community. After many months of careful planning, United is proud to have executed this flight test effort with Boeing and our other partners, leveraging the expertise of all our teammates to help shape the future of flight."

The ecoDemonstrator program has tested more than 250 technologies to enhance safety, reduce fuel use, emissions and noise and improve operational efficiency and the passenger experience.

Participants in the ecoDemonstrator Explorer project also include:

  • Collins Aerospace, Honeywell, SITA, Thales, Viasat
  • European Space Agency (ESA), Federal Aviation Administration, NASA Air Traffic Management – eXploration Project
  • Embry-Riddle Aeronautical University


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