Advanced Air Mobility Modern Flying

History’s Largest Battery-Electric Plane Takes Flight in New York

Heart Aerospace believes its X1 demonstrator sets new milestones for electric aircraft wingspan and takeoff weight.

Thursday, August 13, 2026 at 02:00 PM ET

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Heart Aerospace’s X1 demonstrator, the largest battery-electric aircraft ever flown, crosses the Champlain Valley near Plattsburgh, New York. [Credit: Heart Aerospace]

Key Takeaways:

Heart Aerospace successfully debuted its X1 demonstrator, which is now the largest battery-electric, fixed-wing aircraft in history by wingspan and takeoff weight.
The X1 serves as a crucial precursor for the development of Heart's planned 30-seat hybrid-electric ES-30 airliner, aiming for significant reductions in operating costs.
Despite challenges in the electric aviation sector, the ES-30 project has strong airline backing, including a substantial order from United Airlines, highlighting industry confidence in its commercial potential.

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The largest battery-electric, fixed-wing aircraft in history made its debut flight this week, marking the start of a test campaign to validate a planned, 30-seat, hybrid-electric airliner.

Los Angeles-based Heart Aerospace said Thursday that its X1 demonstrator, a precursor to its flagship ES-30, flew out of Plattsburgh International Airport (KPBG)—the company’s flight testing base in upstate New York—on all-electric battery propulsion. Heart said the X1 is the largest aircraft of its kind, by both wingspan and takeoff weight, to achieve first flight.

Jack is a staff writer covering advanced air mobility, including everything from drones to unmanned aircraft systems to space travel—and a whole lot more. He spent close to two years reporting on drone delivery for FreightWaves, covering the biggest news and developments in the space and connecting with industry executives and experts. Jack is also a basketball aficionado, a frequent traveler and a lover of all things logistics.