FAA Clears Hermeus Quarterhorse for Supersonic Flight Testing Written 14 April 2026

Aerotime reports, “Hermeus announced on March 12, 2026, that the Federal Aviation Administration (FAA) issued a Special Airworthiness Certificate in the Experimental Category (SAC-EC) for its unmanned Quarterhorse Mk 2.1 aircraft. The certification clears the way for Hermeus to proceed with flight testing as it works toward achieving supersonic flight. According to the company, the process involved a rigorous inspection by FAA agents, who assessed the aircraft ahead of its planned flight-test campaign.”
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