RedactedNarrative: While subject was moving to the front of the pontoon as a passenger, the driver placed the throttle in neutral causing the passenger to fall off the front of the pontoon.  The driver placed throttle to reverse to keep from hitting passenger and his leg struck the prop.  The passenger went under the pontoon and out where the outboard is.  EMS transported.  Victim had several lacerations to left calf.  The R/O responded to Spartanburg Regional and spoke with victim and his parents.  No further action at this time.  Statements received by other passenger and operator of vessel.