Originally Posted by
Sport_Pilot
The curvature of the earth shows that the video was done with a wide angle lens, so it may have been below 500 feet, then again not. As long as they keep away from full scale I see no problem even if they were at 2000 feet.
It was a lot higher than 500 feet. I guessed 2000-2500 and turns out it was just under 3000.