RedactedNarrative: Vessel 1 was operating at a high speed and struck Vessel 2 on the aft starboard side.  There were no injuries and witness statements were collected. Operator1 explained that he was moving at a high rate of speed performing a circle in the area behind the struck vessel.  Operator1 stated as he was coming back around, the PWC lost power and he was unable to fully turn away from the vessel. He struck the vessel on the aft starboard side leaving a hole in both the PWC and the vessel.