ZeroAvia, a startup in the aviation industry, is making significant advancements in its strategy to certify its first hydrogen-electric propulsion system. The company is actively collaborating with both UK and U.S. regulators in a dual-track approach to achieve certification for its innovative technology. Specifically, ZeroAvia is focused on certifying the 600-kW electric propulsion system for its ZA600 powertrain. By working closely with the FAA, the company aims to demonstrate the safety and reliability of its hydrogen-electric propulsion system. This progress highlights ZeroAvia's dedication to pushing the boundaries of aviation technology and its commitment to meeting regulatory requirements. The dual-track certification strategy indicates the company's proactive stance in driving forward the adoption of hydrogen-electric propulsion systems in the aerospace sector. Overall, ZeroAvia's efforts signify a positive step towards the integration of sustainable and efficient propulsion systems in the aviation industry.