INDIAN RKS BCH, FL, USA
N70319
WILLIAMS, ROBERT G. AIR COMM. 532 ELITE
DURING CRUISE FLT ABOUT 500 FT OFFSHORE, THE PLT REPORTED THAT THE ENG COOLANT & OIL TEMPERATURE BEGAN RISING. HE ATTEMPTED TO LAND ON THE BEACH BUT WAS UNABLE, & LANDED JUST OFFSHORE. AFTER TOUCHDOWN, THE MAIN ROTOR MAST SEPARATED. EXAM OF THE ENG REVEALED THAT A LIQUID COOLANT LINE SEPARATED FROM THE RADIATOR, DUE TO VIBRATION. THIS ALLOWED THE COOLANT TO DRAIN. ACCORDING TO AN FAA INSPECTOR, THERE WAS NO AIRWORTHINESS CERTIFICATE NOR ENG & ACFT LOGBOOKS. THE PLT HELD A STUDENT PLT CERTIFICATE BUT IT NOR HIS PLT LOGBOOK WAS ENDORSED AUTHORIZING SOLO FLT.
LOSS OF POWER DUE TO THE OVERHEATED ENGINE CAUSED BY A SEPARATED LIQUID COOLANT LINE WHICH ALLOWED THE COOLANT TO DRAIN, RESULTING IN THE FORCED LANDING.
Source: NTSB Aviation Accident Database
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