Zero-emission aviation.
Powered by hydrogen.

Watch the full film
Why hydrogen is the best solution to decarbonize aviation!

Zero-emissions using green hydrogen

Inherently safer than kerosene and synfuels

Economically viable 

Low-noise profile

Enables new regional air mobility connections through increased range

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Our Vision

We unlock the era of sustainable air travel by developing the first qualified hydrogen-electric powertrain for aviation. In over a decade of researching, refining, and testing, we have developed a radically new, zero-emission solution: Powered by clean hydrogen, which is converted to electric power in our fuel cell´s powertrain, our demonstrator aircraft HY4 proves that zero-emission aviation is within reach.

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Join our crew


At H2FLY we dream, we fly, and we develop the future! Check out our latest job offerings and join us in driving zero-emission aviation – powered by hydrogen. 

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Our journey so far

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H2FLY is relying on decades of research. We’ve come a long way already. Read more about our most important milestones. 

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Stay up to date

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Get the latest insights and interact with us on LinkedIn. Follow our company here.

Our Supporters

With the HY4, we want to bring electromobility to the air, demonstrating the feasibility of this technology and identifying specific fields of application in passenger transport.

Prof. Dr. Kallo, Co-CEO H2FLY