In a groundbreaking achievement for aviation, H2FLY has announced the successful completion of the world's first piloted flight of an electric aircraft powered by liquid hydrogen. The H2FLY team has conducted four flights powered by liquid hydrogen as part of an extensive flight test campaign, with one flight remarkably lasting over three hours. These historic flights were carried out using H2FLY's piloted HY4 demonstrator aircraft, equipped with a cutting-edge hydrogen-electric fuel cell propulsion system, and cryogenically stored liquid hydrogen that served as the aircraft's power source.

https://www.theaustralian.com.au/business/technology/h2flys-hy4-completes-firstever-piloted-flight-of-liquid-hydrogenpowered-electric-plane/video/2b1308b55bde5273959af2c704ac525e

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