Airbus’ first production Zephyr S solar-powered high-altitude unmanned aircraft has begun its first test flight, with the goal of beating the endurance record of 14 days set by the Zephyr 7 in July 2010. With a wing span of 25 m (82 ft.), but weighing less than 75 kg (165 lb.), the stratospheric aircraft is in flight at altitudes up to 70,000 ft. over Yuma Proving Ground, Arizona, with the goal of flying for 30 days, Airbus Defense and Space revealed July 16. The flight is being ...


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