Diamond Aircraft is spearheading a groundbreaking project in Austria funded by the Austrian Research Promotion Agency (FFG) to investigate the viability of gaseous hydrogen as a fuel source for general aviation. The project, named 'H2EDT,' aims to design a hybrid testbed to study the challenges and potential of hydrogen in aviation. Hydrogen is viewed as a zero-carbon fuel that could revolutionize sustainable aviation due to its emission-free profile and high energy density. However, obstacles such as weight, storage, and safety issues necessitate a hybrid hydrogen-electric architecture for aircraft propulsion. The H2EDT testbed will feature a mix of battery and hydrogen fuel cell technologies to optimize power and energy efficiency while ensuring safety. The project also focuses on developing digital power management systems and conducting simulations to enhance performance and reliability. Through this endeavor, the research team plans to establish guidelines for future hydrogen projects on full-scale general aviation platforms. Diamond Aircraft's commitment to hydrogen propulsion research is underscored by its participation in previous hydrogen aviation studies and projects. The results of the H2EDT initiative are expected to be unveiled in the first half of 2026, marking a significant milestone in advancing hydrogen technology in the aviation sector. The project is part of the Take Off funding program managed by the Austrian Research Promotion Agency (FFG) and reflects a strategic investment in pioneering sustainable aviation solutions.