Heart Aerospace's X1 is the world's largest battery-electric aircraft ever flown. It completed its first piloted flight on August 12, 2026, at Plattsburgh Inte…
X1 flew for 27 minutes, reached about 1,100 feet, and used roughly $5 of electricity — the largest battery-electric aircraft ever flown.
The FAA granted X1 a Special Airworthiness Certificate in the Experimental Category — authorization to test-fly, not to carry passengers commercially.
Heart closed its Sweden operations and moved its headquarters to Los Angeles, shifting its operational center of gravity to the US ahead of X1's flight-test program.
X1 was unveiled as a full-scale, all-electric demonstrator built to validate propulsion, batteries and flight controls for the future ES-30.
Heart replaced its original 19-seat all-electric ES-19 concept with the larger, hybrid-electric ES-30 — a direct response to battery energy-density limits.
Anders and Klara Forslund founded Heart Aerospace in Gothenburg, initially developing a 19-seat all-electric aircraft concept from Säve Airport.
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