RedactedNarrative: PWC 2 was actively towing a tube with two occupants. At the time of the collision boat 2 was intentionally slinging the tube around from behind it in a attempt to eject its passengers. 
  
  While the tube was swinging out from behind PWC 2, PWC 1 was coming up on plane and failed to see the tube in front of it. 
  
  PWC 1 struck the rear of the tube and the two passengers on board the tube. Both passengers were thrown from the tube and all involved vessels came to a stop.