Chengdu's "three-in-one" drone completes its first flight.

The journalist learned from China Aviation Industry Corporation Chengdu Aircraft Industrial Group that the long-endurance, silent, green hydrogen-powered unmanned aerial vehicle independently developed by Chengdu Aircraft Industrial Group has completed its maiden flight. This unmanned aerial vehicle has the characteristics of ultra-long endurance, silence, and environmental protection, and has successfully applied the "three-in-one" hybrid energy power technology of solar energy-hydrogen-lithium on low-altitude aircraft.