World-first flight test reveals how hydrogen engines form contrails

Berlin, Germany (SPX) Apr 15, 2025

In a groundbreaking campaign, researchers have captured the first-ever in-flight measurements of contrails produced by hydrogen-powered aircraft, marking a pivotal advancement in assessing the climate impact of next-generation aviation propulsion. The German Aerospace Center (DLR), in collaboration with Airbus and the Perlan Project, conducted the Blue Condor project in December 2024 over