Amid the ongoing surge in civil supersonic aircraft projects, Atlanta-based startup Hermeus has unveiled details of its ambitious plan to develop a higher-speed passenger aircraft with, potentially, double the speed advantage. Provisionally sized to carry around 20 passengers over transatlantic ranges at speeds up to Mach 5, the newly revealed aircraft project is targeted at entry into service by the late 2020s. Despite the aggressive schedule and ambitious performance targets, the company ...


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