The ENABLEH2 project, funded by the EU, has successfully reignited interest in hydrogen-fueled air travel with its groundbreaking technologies. Despite facing COVID-19-related setbacks, the project has leveraged its achievements to propel the development of hydrogen-based aviation. Chalmers University of Technology in Sweden has introduced a revolutionary compact heat exchanger that could potentially power 97% of short- and medium-range Nordic flights by 2045. This technology efficiently cools engine parts using hydrogen's low storage temperature and preheats fuel with exhaust heat, enhancing combustion efficiency and reducing emissions. Cranfield University in the UK has utilized ENABLEH2 expertise to contribute to the FlyZero project, aiming for zero-carbon-emission commercial aviation by 2030. The project's advancements in hydrogen micromix combustion and liquid hydrogen systems have also influenced other EU projects like MINIMAL, promoting synergistic technological combinations. Chalmers University has established a hydrogen integration competence center to accelerate hydrogen technology development in various transport sectors. The success of ENABLEH2 in promoting hydrogen-fueled aviation has attracted additional funding for related projects, highlighting the positive impact of EU investment in sustainable aviation. Overall, ENABLEH2's contributions have paved the way for a greener future in air travel through innovative hydrogen technologies.