ON 07/04/2009 AT APPROXIMATELY 5:15 PM, A BOAT  (BOAT1) WAS OCCUPIED BY 5 INDIVIDUALS (4 MALES, 1 FEMALE) ON SHERIDAN LAKE, SD.  ONE OF THE MALES (VICTIM) WAS FLOATING IN THE WATER BEHIND THE BOAT.  A GUST OF WIND BLEW A HAT FROM BOAT 1 INTO THE WATER.  AN INDIVIDUAL ON A NEARBY PONTOON BOAT (BOAT 2) PICKED UP THE HAT.  THE OPERATOR OF BOAT 1 ATTEMPTED TO MANUEVER CLOSER TO BOAT 2.  IN THE PROCESS, THE OPERATOR OF BOAT 1 PUT THE BOAT INTO REVERSE AND BACKED INTO THE VICTIM.  THE PROPELLER FROM BOAT 1 STRUCK THE VICTIM IN THE RIGHT LEG BETWEEN THE ANKLE AND THE KNEE.  THE OCCUPANTS OF BOAT 1 PROCEEDED TO HELP THE VICTIM INTO THE BOAT.  BOAT 1 THEN PROCEEDED TO THE NORTH MARINA ON SHERIDAN LAKE.  OFFICER 1 MADE CONTACT WITH THE OPERATOR OF BOAT 1.  OFFICER 1 OBSERVED THAT THE OPERATORS EYES WERE BLOODSHOT AND WATERY AND HE COULD SMELL THE ODOR OF ALCOHOL ON HIS BREATH.  OFFICER 1 HAD THE OPERATOR PERFORM A SERIES OF FIELD SOBRIETY TESTS TO DETERMIN IF HE WAS IMPAIRED OR NOT.  OFFICER 1 PLACED THE OPERATOR OF BOAT 1 UNDER ARREST FOR BOATING UNDER THE INFLUENCE.  THIS WAS THE OPERATORS 2ND BUI OFFENSE.  THROUGH THE COURSE OF THE CONTACT, OFFICER 1 LEARNED THE OPERATOR WAS ON 3 PRESCRIPTION MEDICATIONS INCLUDING HYDROCODONE, A MUSCLE RELAXER AND NEPROXIN.  OFFICER 1 SUSPECTED THAT THE COMBINATION OF ALCOHOL WITH PRESCRIPTION MEDICATIONS CONTRIBUTED TO THE ACCIDENT.  DUE TO THE OPERATOR INVOKING MIRANDA RIGHTS, OFFICER 1 WAS UNABLE TO OBTAIN INFORMATION REGARDING USE OF PFD'S, OR FIRE EXTINGUISHER AT THE TIME OF THE ACCIDENT.  OFFICER 1 WAS ALSO UNABLE TO OBTAIN INFORMATION REGARDING THE ENGINE MAKE, YEAR, HORSEPOWER OR WHETHER OR NOT THE BOAT HAD A SAFETY INSPECTION.
HILL CITY                     