RedactedNarrative:      Both vessels were traveling downriver on the Nevada side of the Colorado River. The location was just North or upriver of the Harrah''s No Wake Zone. V1 was on the right, while V2 was to the left. V1 struck an unknown wave or wake from a boat that was being operated approximately 100 feet ahead of V1 and V2. Upon operating into the wave, Operator1 lost control of V1. V1 turned to the left and struck V2. Both V2 occupant and Operator2 were ejected from V2. An unknown water taxi assisted in recovering V2 occupant and Operator2 from the water and then transported both subjects to the Harrah''s dock. Harrah''s Security provided treatment at the dock prior to Clark County Fire and AMR arriving on scene.
  
       Operator2 III left V1 and boarded V2 in an effort to secure that vessel. Operator1 continued to operate V1. Upon AMR leaving the scene at Harrahs, both V1 and V2 were operated back to the rental company, Laughlin Watercraft Rental. 
  
       Operator1 stated that she had operated a PWC approximately 10 times in her life prior to this event. Operator1 stated that the only boater safety course she had ever taken was watching the 9 minute video prior to this rental. 
  
       Operator2 stated he could not remember if he had attempted to accelerate or let off the throttle when he saw V1 approaching on a collision path. Operator2 stated this was his first time operating a PWC. Operator2 stated he was traveling at 24 miles per hour prior to the collision and that V1 and V2 were traveling side by side at the same speed prior to the collision.
  
       Operator2 and Operator1 denied alcohol consumption. Neither showed clues of intoxication.
  
       Medical injury information is limited because V2 occupant and Operator2 had been triaged to the waiting room and had not been seen by a doctor prior to me leaving the hospital. Operator2 reported an injured right knee. V2 occupant reported an injured right knee.
  
       Damage to V1 included gel coat damage and a missing rub rail. Damage is estimated at $500.
  
       Damage to V2 included fiberglass damage, gel coat damage and a broken mirror. Damage is estimated at $3500.
  
       Both vessels had additional damage that was consistent with rental vessels and inconsistent with this collision. The involved party''s stories fit with the damage noted.
  
       I conducted a simple vessel function test on both vessels. Both properly turned the water jet with input to the handlebars. Neither vessel had reverse. Neither vessel was started as the parties stated that they had operated both vessels back to the rental company.
  