RedactedNarrative: On July 07, 2016 while on patrol within the boundaries of Glen Canyon NRA, at approx. 09:20 I received a report of a property damage only boat accident at the Wahweap Marina. I responded with Ranger#1 and arrived on scene at slip at approx. 10:15. I contacted the reporting party, Subject#1 who was onboard his houseboat. Subject#1 stated that they had arrived onto the family's timeshare houseboat to find a handwritten note that had been left on the lower deck exterior patio table. The note stated to the effect of "white boat, tan rail line hit your boat while trying to park they were being blown by the wind". Ranger#1 and I then collected information, photos and conducted a boat accident investigation. On Subject#1's vessel (V2 UTxxxxxx), I observed damage to the stern swim deck, ladder and battery storage compartment. I contacted the Wahweap Marina office and gathered information on the other vessel involved in the accident, V1: the "Southern Star" (AZxxxxxx).
  
  On 07/23/2016 I contacted V1, the "Southern Star" at slip. I observed damage to the rub strake and siding of both the starboard and portside stern quarters of the vessel. I spoke with a co-owner of the Southern Star LLC timeshare who was identified as Individual#1 regarding whom was operating the vessel at the time of the accident. I spoke with a mechanic from Bulldog boat repair company who is contracted to conduct check in and out walkthroughs with each member of the timeshare upon launching and docking of the vessel. I gathered that V1 had been piloted into its slip the afternoon of 07/16/2016 which was identified as the date of the accident. I then spoke with Captain#1 of Aramark Executive services who had piloted V1 into its slip the afternoon of the accident. Captain#1 stated that he had been dispatched to provide a pilot service for the Southern Star after it had been docked at an incorrect slip. Captain#1 stated that the owners of the vessel were distraught after having attempted to dock the vessel with only one engine in high winds and congested waters.
  
  I contacted Operator#1 who was identified as the co-owner and operator of V1 the day of the accident (07/16/2016). Operator#1, provided details of the accident, stating that his starboard engine had failed as he entered the Marina at approx. 15:00 in high winds. He admitted to colliding with an unknown vessel (V2) while trying to maneuver V1 into a slip. Operator#1 stated that he had notified Captain#1 of the collision and then attempted to locate the vessel with which he had collided. Operator#1 stated that after looking at all possible vessels he was unable to find damage to any other vessel. Operator#1 also stated that when he notified Captain#1 of the accident when he arrived to provide a pilot service, Captain#1 had stated to the effect of "chalk it up to a bad day, at least no one was injured". Captain#1 denied being notified of the accident.
  
  I completed this vessel accident report based on the statements from Subject#1, Operator#1, Captain#1 and Individual#1 as well as observations and findings from my investigation. Based on these findings, I conclude that on the afternoon of July 16th, 2016 while attempting to dock V1, Operator#1 collided with V2, impacting the portside stern of V1 with the stern of V2 which was unoccupied and secured in its slip at the time. There was an additional possible collision between the starboard side stern of V1 again with the stern of V2.