Definitions altitude by banning a train flying 500 feet over high and low beyond 50 feet from ground level so that they do not affect commercial carriers, and the general public.
Terms altitude The ban drones fly above 500 feet and more than 50 feet below ground level. In order not to affect commercial aviation. And the general public
Requirements for altitude by banning the futuristic fled 500 feet too high and too low 50 feet from the ground. In order not to affect the commercial aviation and general people .