RedactedNarrative: Operator was driving in a canyon and several boats had passed through the area causing waves, under one of the waves was a small boat fender that was not visible due to the waves.  Operator passed over the area at a rate of speed or about 0 mph.  As operator passed over the fender he hit something with the prop of the boat which caused a vibration in the prop area.
NameOfBodyOfWater: Lake Powell
NearestCityTown: Ticaboo                       