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nw NC | He was flying a long range drone which they built themselves. Most likely did not have built in 400 feet AGL limit as would current commercially available such as DJI and others. However, it appeared to me that he did not exceed being over 400 feet AGL at any time. In his climb to the summit of the mountain he was always not far above the surface directly beneath him. Even at the summit he was not far above the surface. FAA regulations allow flight as long as the max altitude is no more than 400 feet above the highest elevation of a structure or terrain and class of airspace altitude limit is not violated.
My understanding of 400 AGL is this: If you were to fly over level land you are not supposed to go over 400 feet AGL. If there is a hill near you that the top is 200 feet higher than you on level ground , you could fly your drone to the hill and then fly your drone up the side of the hill and could legally fly your drone to altitude 400 feet above the top of the hill. At that point your drone is 600 feet higher than the surrounding low lands , but you are legal because you are only 400 feet above the hill top. | |
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