RedactedNarrative: On Sunday June 26, 2011 Approximately 1440 hrs, Vessel #1 (V-1) stated he was approaching the Columbia Island gas dock in his 35' House Boat.  The dock was occuppied by a vessed buying fuel.  The gas dock attendant asked V-1 to back his vessel on to the westside of the dock.  As V-1 backed in his vessel, he began to drift towards D-dock.  V-1 immediately thurst the engine forward and turned to the port side.  As V-1 turned, his starboard side of his vessel struck the 5 other vessels which were tied up in thier slips on D-dock.  V-1 sustained (2) shattered windows and caused the listed damage to vessels 2 thru 6.  
  
  A witness (W-1) corrobarated V-1's statement.  V-1 stated to the investigating officer that he lives on his houseboat year round; and that he has less than 10 hours of operation during this calendar year.  
  
  In the opinion of the investigating officer, the primary cause of the accident was due to V-1's inexperience.
NameOfBodyOfWater: Potomac River
NearestCityTown: Washington                    