TGGUW
CESSNA 210E
DURING CRUISE FLIGHT THE PROPELLER ASSEMBLY SEPARATED FROM THE ENGINE. THE PILOT DITCHED THE AIRPLANE NEXT TO AN OIL PLATFORM APRX 10 MI FROM LAND. THE PILOT, HIS WIFE, AND TWO SMALL CHILDREN EXITED AND ATTEMPTED TO SWIM TO THE PLATFORM. THE SEA STATE WAS ROUGH, AND NO RAFT OR LIFE VESTS WERE ON THE AIRPLANE. THE PILOT'S WIFE AND CHILDREN WERE LOST AT SEA. EXAMINATION OF THE ENGINE MOUNTS AND CRANKSHAFT SHOWED NO EVIDENCE OF FATIGUE OR PRE-EXISTING FRACTURES. APRX 4 YEARS PRIOR TO THIS ACCIDENT THE AIRPLANE WAS INVOLVED IN A GEAR-UP LANDING, RESULTING IN THE PROP BLADES BEING CURLED BACK APRX 30 DEG UP TO 8 INCHES FROM THE TIPS. THE BLADES WERE STRAIGHTENED AND RETURNED TO SERVICE. ACCORDING TO THE MANUFACTURER THE REPAIR WAS NOT IN ACCORDANCE WITH THEIR SERVICE MANUAL AND SHOULD HAVE BEEN REPLACED.
THE SEPARATION OF THE PROPELLER SYSTEM FOR UNKNOWN REASONS. CONTRIBUTING TO THE SEVERITY OF THE INJURIES WAS THE PILOT'S FAILURE TO ASSURE THAT A RAFT AND/OR LIFEVESTS WERE ON THE AIRPLANE DURING THE OVERWATER PORTION OF THE FLIGHT.
Source: NTSB Aviation Accident Database
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