TOKYO -- Japan's Kawasaki Heavy Industries on Monday tested an engine-powered autonomous helicopter designed to carry heavy loads in mountainous areas, taking another step in the race to fly cargo without pilots.
Engine-equipped aircraft designed for heavier loads than battery-powered drones

Kawasaki Heavy Industries conducts a demonstration flight of the K-Racer-X2 in the mountains of Nagano prefecture on Oct. 27. (Photo by Eisaku Nitta)
TOKYO -- Japan's Kawasaki Heavy Industries on Monday tested an engine-powered autonomous helicopter designed to carry heavy loads in mountainous areas, taking another step in the race to fly cargo without pilots.