23/01/2022
The vehicle can also continue flying after losing one of its propellers - though pilots in such situations will be prompted to land immediately.
Plus, on-board software will attempt to automatically prevent dangerous flying behaviour. The software slows the vehicle down as it approaches the ground, for instance, and uses a Lidar (light detection and ranging) system to sense how far away the ground actually is.
But Mr Ternstrom knows that there is still the potential for things to go wrong, which is partly why he has stipulated that the first owners must have some flying experience.
"This is a machine made for mischief, basically," he adds. "I want them to be very responsible."