RedactedNarrative: V1 was being launched at the SE 15 St boat ramp. V1 pulled off of the trailer and then went forward toward docked V2. The operator of V1 put the boat in reverse and then went to the bow of the boat to push off of V2 to avoid the collision. 
  
  The operator pushed off of V2„then fell off of the bow of V1 while the boat was still in reverse with no one at the controls. Vi did a large loop in reverse and struck V2 ( almost hitting the operator in the water), then continued in reverse striking V3 and then striking the dock and ladder of the Boathouse. No one was injured.