Alight aircraft flying a single circuit at a quiet Bedfordshire airfield sounds utterly unremarkable, but a September flight by the humble blue-and-white Piper M350 at Cranfield Airport was momentous. It was the first flight in UK airspace by an electric aircraft. ZeroAvia, the start-up that developed the aircraft's zero-emissions electric powertrain that uses a hydrogen fuel cell, hailed the flight as a "first step to realising the transformational possibilities" of hydrogen in aviation.
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