Hydrogen-electric power and propulsion supplier developing ZA600 for regional aircraft; its Dornier 228 testbed combines an electric left drive with a conventional right engine.
Propulsion Architecture
Hydrogen fuel cells supply electrical power to an inverter and motor. The documented Dornier demonstrator also uses battery assistance and retains a right-side turboprop.
Primary Certification Context
Supplier / Component
Strengths
The Dornier testbed provides flight-test evidence beyond a ground demonstrator. FAA final special conditions establish additional requirements for the ZA601 electric engine. ZeroAvia reports UK CAA Design Organisation Approval and an active ZA600 certification programme.
Weaknesses / Open Questions
Organisation approval and engine special conditions cover different regulatory scopes; neither establishes commercial approval of a complete hydrogen-powered aircraft. Fuel-cell qualification, hydrogen installation safety, thermal rejection and airport supply remain material dependencies.
Company leadership was updated in August 2026 with Christine Ourmières-Widener appointed CEO. Staff, funding and revenue signals are left undisplayed pending independently traceable current figures.
Last Updated
October 5, 2026
