International Federation of Airworthiness. Promoting AirworthinessInternationalImpartial
International Federation of Airworthiness. Promoting AirworthinessInternationalImpartial
August 19, 2026

Day

19
Aug

Heart Aerospace cleared for X1 flight tests

Heart Aerospace cleared for X1 flight tests FAA issues experimental airworthiness certificate for hybrid-electric aircraft demonstrator By Jonathan. S Heart Aerospace has received a Special Airworthiness Certificate in the Experimental Category (SAC-EC) from the US Federal Aviation Administration (FAA), clearing the company to begin flight testing of its X1 demonstrator aircraft. The approval marks a significant milestone in the development...
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