LEHIGHTON, PA, USA
N1042C
HILLER 12C
THE PILOT OF THE HILLER 12C REPORTED AN OVERHEATED ENGINE FOLLOWED BY AN ENGINE FAILURE. DURING THE FORCED LANDING THE MAIN ROTOR FLEXED AND CUT THE TAIL BOOM OFF THE THE AIRCRAFT. THE AIRCRAFT WAS EXAMINED. 10 OZ. OF A LIQUID WAS FOUND IN THE FUEL SYSTEM. 7 OZ. WAS FUEL AND 3 OZ. WAS WATER. THE REPORTED ENGINE OVERHEAT AND ENGINE FAILURE COULD NOT BE REPRODUCED. THE ENGINE RAN SATISFACTORLY. THE PILOT AND PASSENGER WERE UNINJURED IN THE ACCIDENT WHICH OCCURRED IN DAYLIGHT. THE PLT/OWNER HAD HABIT OF NOT REFUELING AFT FLTS THUS LEAVING TKS LESS THAN FULL AND SUSCEPTIBLE TO WATER CONDESATION.
Source: NTSB Aviation Accident Database
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