RedactedNarrative: Operator was cruising along and ran into the pier at the fuel docks at the city launch.  When the operator collided with the pier it threw him into the throttle which caused the vessel to speed up and hit the pier again knocking him to the bottom of the vessel.  His injuries were severe with a compound fracture to his left leg, both shoulders were dislocated, lacerations and contusions over his body.  It's not clear what caused him to hit the pier.  Onlookers mentioned a possible medical issue and also mentioned that he may have been adjusting his fish finder.  No alcohol involved and no lifejacket was worn.