operator/owner of the 53' cabin motorboat was heading north along side the Olympia Yacht Club 600 piers area at a slow rate of speed.  Unexpectedly the port engine transmission went to neutral and the boat then turned 90 degrees to port because the starboard engine was in forward gear.  operator then put both engine in reverse and applied throttle, but the boat did not respond.  The port engine remained in neutral,  and the starboard engine stayed in forward gear.   The boat hit the piling between slips 622 and 624.  The boat (vessel #2)  in 622 was hit and damamged, the piling broke off and landed on the boat (vessel #3) in slip 626.  operator's boat then hit the boat (vessel #4) in slip 624.
Olympia                       