In Sassenage, France, Turbotech, Safran, and Air Liquide have achieved a groundbreaking milestone by successfully ground testing the first liquid hydrogen-fueled gas turbine engine for the light aviation market at Air Liquide's Grenoble Technologies Campus. This achievement is part of the BeautHyFuel project, which aims to explore hydrogen propulsion solutions for light aircraft and is supported by the French Civil Aviation Authority as part of the country's post-Covid stimulus program. The project has seen successful stages of ground demonstration testing of a hydrogen-fueled gas turbine aeroengine, showcasing the potential for a fully decarbonized aircraft propulsion system. The collaboration between key players in the aerospace industry has been essential in achieving this milestone, with the project integrating expertise in turbine technologies, aeroengine manufacturing, cryogenic hydrogen storage, and aircraft development. The successful demonstration paves the way for further advancements in hydrogen propulsion for commercial aviation, contributing to the overall goal of reducing greenhouse gas emissions in air transport.