RedactedNarrative: Vessel was on plane at a safe speed when one of the six occupants spontaneously stood up from the back of the vessel and proceeded to walk up to the front to take a self group photo.  As he got up near the bow end, the vessel operator abruptly shifted the throttle down to neutral in an effort to reduce the speed which caused the victim to lose his balance and fall over the bow and into the water. 
  
  The vessel was still moving forward as the victim was struck by one of the metal pontoons beneath. Victim continued underneath the vessel and was seen by witnesses resurfacing out from the aft end. As a result of the impact, the victim sustained serious injury to his ribs and back. He was not hit by the prop. 
  
  The victim immediately shouted out to call 911 and one of the male occupants entered the water and brought him back up on the vessel.  A 911 call was made and the operator transported the victim to a nearby restaurant along the water where they were met by EMS / Fire and law enforcement officials. Alcohol was not a factor for the operator, and the victim had been drinking earlier. The victim was transported to a nearby hospital and later moved to Orlando Regional Medical Center for surgery.  
  
  Although the victim had been drinking and went forward unexpectedly which was a contributing factor in this incident, the operators decision to throttle down to quickly caused the occupant to fall overboard. The operator was issued a written warning for Careless Operation.    
  
  Victim received a left arm abrasion, lung contusion, (8) fractured ribs on left ; #4 - #11. , post trunk abrasion, Spine: 4 fractured thoracic T6, T7, T8 and T9.
  