RedactedNarrative: THE OFFICER WAS ON ROUTINE PATROL WHEN HE NOTICED AN OUT OF STATE BOAT NOT DISPLAYING THE REQUIRED DES DECAL.  HE STOPPED THE BOAT AND DISCOVERED THAT THE VESSEL HAD JUST BEEN IN A BOAT ACCIDENT STRIKING SUBMERGED ROCKS ON THE OUTSIDE OF THE RED BUOYS.  THE ROCK STRIKE CAUSED DAMAGE TO THE PROPELLER AND SKEG. NO INJURIES WERE REPORTED.