FlightSafety International and ZeroAvia have joined forces to train pilots on hydrogen-electric aircraft. The partnership involves the development of flight simulators, digital learning platforms, and training materials specifically tailored for hydrogen fuel cell electric aircraft. ZeroAvia, a prominent hybrid-electric engine developer, recently made headlines by recording the first sale of its ZA-600, a 600-kilowatt electric propulsion system. This system is designed to power aircraft with up to 20 seats and has garnered significant interest from major carriers like United Airlines and American Airlines. ZeroAvia is at the forefront of the hydrogen-electric aircraft industry, with plans to scale up the technology for larger aircraft with 40 to 80 seats. The company is not only focused on engine development but also on collaborating with airports to facilitate the adoption of new propulsion systems and developing solutions for hydrogen production and storage. In addition to the partnership with FlightSafety International, ZeroAvia has engaged with aviation manufacturers like De Havilland Canada and Airbus to explore hydrogen-powered variants of existing aircraft models. The collaboration with Airbus on the 'Hydrogen Hubs' project highlights the industry's efforts to study the feasibility of hydrogen infrastructure at airports. The article also mentions other companies working on hydrogen-electric aircraft, such as Beyond Aero and H2Fly. The growing interest in sustainable aviation solutions is evident as FlightSafety International and other flight schools are preparing for electric models like Joby's eVTOL designs. The industry's shift towards sustainable aviation is further emphasized by NASA's collaboration with Electra to design an electric commercial airliner. Overall, the article showcases the positive momentum in the aviation industry towards embracing hydrogen-electric aircraft and sustainable propulsion technologies.