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Charley Rattan's picture
Global Hydrogen Advisor, Charley Rattan Associates

UK based offshore wind & hydrogen corporate advisor and trainer; Faculty member World Hydrogen Leaders. Delivering global hydrogen and offshore wind corporate investment advice, business...

  • Member since 2019
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  • Feb 4, 2023


Advanced powertrain developer H2Fly expects its fuel cell-powered HY4 demonstrator to be back in the air by the summer following the installation a new liquid hydrogen fuel system.

Tests of the fuel system are currently under way at Air Liquide’s campus near Grenoble in France, says H2Fly chief executive Dr Josef Kallo.

That will be followed by a run of the whole fuel cell system “in the next couple of weeks”, leading to a ground-test programme in March or April and flights of the HY4 in summer from H2Fly’s base at Stuttgart airport in southwest Germany. Join: Hydrogen Aviation





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