American law quite strictly regulates the flying of unmanned aerial vehicles. After all, even a simple drone can be equipped with a camera and start for someone or something to spy on, for example, therefore, the government directly encourages citizens to inform on flights of drones in certain areas. In order not to have problems with the law, the company DJI dealing with the issue of quadcopters, even made in their design and changes that govern the height of the flight. In addition, the development will help to turn around the unit if it flew into forbidden territory. Commendable, but the Russian developers of the company Coptersafe, as reported by The Verge, found a way to circumvent these restrictions.