United States, Nov. 5 -- GE Aerospace announced a new test milestone to advance hybrid electric aviation in partnership with BETA Technologies, Inc. (NYSE: BETA) ("BETA") during the Up.Summit industry event. Teams recently completed the world's first hybrid electric assisted takeoff using a plane designed to operate at commercial airliner altitudes with passengers.Tests took place with a modified Saab 340B at BETA's flight test facility in Plattsburgh, New York. Takeoff was powered by a traditional GE Aerospace CT7 gas engine on one side and a modified hybrid electric engine on the right side. The hybrid engine is a fully integrated megawatt-class, multi-kilovolt propulsion system. During takeoff, the electric motors and battery system prov...