Thanks to sense and avoid technology and radiofrequency, you do not lose the connection with your drone or UAV. It is a bit like most of today's aviation systems and the aircraft that Mr. Adamus is flying. There is a double system, even a triple system, to ensure that the operation of the device is almost 99.99999% foolproof. That is what I mean by foolproof.
On November 22nd, 2016. See this statement in context.