And yet so many crash into the water for no reason.
Perhaps the correct statement isn't "no-one has ever" but more that "Rarely people have had problems with radio waves getting scrambled".
Specifically GPS signals. Maybe some of the satellite...
I don't know if anyone has considered this about flying over water.
Water is reflective.
Radio signals are, essentially, light.
So, it kind of makes sense that a radio device that relies on super critical radio waves, might get confused on...
Here is a Kite Festival I did a while back if you're interested in watching it.
It does have a mixture of ground/aerial shots mixed together in it though.