RedactedNarrative: Vessel - 2005, 24' Larson Fiberglass Open Motorboat powered by 8.1 HP Volvo engine towing an inner tube 
  On 6/29/2013, at about 4:00 pm, the vessel was operating on Lake Tapps located in Pierce county, WA on the Northwest side of Inlet Island .  The vessel was towing an inner tube behind the vessel carrying 3 passengers, traveling at an estimated speed of 20 mph.  
   
  Operatorwas driving the vessel and was turning when the inner tube struck a large wave.  Tuber1 was one of the riders on the inner tube that was being towed behind the vessel.  When the tube struck the wave Tuber1 collided with another rider on the same inner tube knocking him into the water.  Operator circled around to pick up Tuber1, who had lost consciousness and was floating in the water with his eyes open, gurgling, and unresponsive.  Tuber1 regained consciousness and was assisted back into the vessel.  He had no apparent injuries but was reported to be suffering from memory loss.  Tuber1 was transported by ambulance to Auburn General Hospital to be examined due to the memory loss he was suffering.  Neither of the other two passengers riding on the tube were injured.  All 3 tube passengers were wearing type III PFDs.
   
  One injury / No fatalities.
  There was no apparent alcohol involvement.
  There were no vessel damages reported.
  Neither the operator or boat passengers were wearing a PFD.
  All 3 tube riders were wearing PFDs.
  The operator did have his mandatory Boater Education Card.
  There were no Rules of the Road Violations.
NameOfBodyOfWater: Lake Tapps
NearestCityTown: Bonney Lake