To show off the world's most precise drone system, PRENAV made this video demonstrating how exact its drones can be. The drone basically plots points in the air and then becomes a dancing array of light that's oh-so-fun to watch. The PRENAV system supposedly lets drones write letters and draw shapes in the sky too, but I'm totally cool with watching the lights.
PRENAV has developed a patent-pending navigation system that consists of a guidance robot on the ground and an aerial robot (drone) working in coordination to fly close to structures. The guidance robot first scans the environment, then once flight begins, it tracks and shares position updates with the drone, keeping it on course even when dealing with wind and other disturbances. The system is operated via an intuitive touchscreen interface and requires no manual piloting skills, which makes it accessible to climbers, technicians, and anyone who is inspecting or maintaining industrial assets.