Hydrogen isn’t just a clean fuel. It’s an opportunity to rebuild how we think about aircraft

HYSKY Society and the Vertical Flight Society’s CAT Discussion Group convened a lively, deeply practical webinar on how Supplemental Type Certificates (STCs) are accelerating the entry of advanced propulsion and systems into real aircraft. Moderated by Mike Hirschberg (H2 Advisors), with featured talks by David Webber (FAA) and Ken Swartz (Aeromedia Consultants), the session blended policy mechanics, field-proven history, and what’s next for eVTOLs, hydrogen, hybrid-electric,

From 26 August – 11 September 2025 (3 Weeks, 6 Classes, 12 Total Hours) Every Tuesday and Thursday at 12–2 p.m. CDT (all sessions will be recorded and available for replay; course notes will be available for download) This is the first comprehensive course dedicated to certification of hydrogen-powered aircraft, designed for industry professionals and regulators. All students will receive a Certificate of Completion from HYSKY Society.

Bill Spellane, CEO StarCube, former COO Alaka’i Technologies HYSKY Society is proud to announce that Bill Spellane, former COO of Alaka’i...