The Stuttgart -based business H2Fly services hydrogen -electrical flies.
Now the Hy4 examination device has been further enhanced.
Experience must lead to a climate -neutral regional plane for 40 travelers in 2025.
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The Stuttgart -based business H2Fly services hydrogen -electrical flies.
Now the Hy4 examination device has been further enhanced.
Experience must lead to a climate -neutral regional plane for 40 travelers in 2025.