The world’s first large, three-engine utility drone recently made its first flight. Developed by Chengdu-based Tengden Technology Co, the drone is a three-engine variant of Tengden’s twin-engine TB Twin-tailed Scorpion, as this design is a world first for drones. The drone has a width of 20 meters and a length of 11 meters. It is equipped with three piston engines, with one under each wing and one on its tail, enabling it to have a maximum takeoff weight of 3.2 tons and an endurance of 35 hours.The drone has a flight ceiling of 9,500 meters, a max climb rate of 10 meters a second and a top speed of more than 300 kilometers an hour.