India, Aug. 18 -- Heart Aerospace has announced the successful first flight of its X1 demonstrator aircraft, marking what the company describes as the largest battery-electric flight in aviation history.

Measuring 106 feet across and 76 feet from nose to tail, and weighing more than 25,000 pounds at takeoff, X1 is the largest battery-electric aircraft ever flown.

The flight took place on August 12 at Heart Aerospace's X1 flight-test base at Plattsburgh International Airport, a regional commercial airport serving a community of around 20,000 people in upstate New York.

The piloted mission lasted 27 minutes, during which X1 reached an altitude of 1,100 feet above ground level (AGL). Its all-electric propulsion system delivered more than ...