In a significant milestone for hydrogen-electric aviation, Joby's hydrogen-electric technology demonstrator aircraft recently completed a 523-mile flight above Marina, California, emitting only water vapor. The aviation industry's journey towards sustainable aviation has seen the evolution of discussions on advanced air mobility, encompassing various electric vertical takeoff and landing (eVTOL) aircraft, including hydrogen-electric VTOL. While initial focus was on battery-electric and hybrid-electric VTOL concepts, the potential of hydrogen-electric propulsion has now been demonstrated by Joby and other pioneering companies. The development of beVTOL aircraft with notable capabilities by companies like EHang, Volocopter, Beta, and Joby signifies progress in the certification and deployment of electric aircraft. Moreover, the emergence of H2eVTOL aircraft demonstrators from companies like Alaka'i, Unither Bioelectronics, Joby, and Piasecki highlights the growing interest in leveraging hydrogen for vertical flight. Joby's successful flight of its SHy4 hydrogen electric technology demonstrator further emphasizes the viability of hydrogen fuel cell electric propulsion in aviation, despite challenges like storage requirements. The industry's shift towards sustainable aviation and the exploration of hydrogen's potential in eVTOL aircraft showcase a positive outlook for the future of aviation technology and sustainability.