Aviation Accident Summaries

Aviation Accident Summary BFO90LA048

EVANS, WV, USA

Aircraft #1

N2411G

CESSNA 182

Analysis

THE PLT REPORTED THE ENGINE LOST POWER AND ATTEMPTS TO RESTART THE ENGINE WAS UNSUCCESSFUL. THE PLT ATTEMPTED A FORCED LANDING ON OPEN FIELD, BUT AT 50 FT AGL THE ENGINE RESTARTED. THE PLT STARTED CLIMBING, BUT SOON AFTERWARDS THE ENGINE LOST POWER AGAIN. THE PLT LANDED IN TREES WHERE THE ACFT CAME TO REST IN A NOSE-DOWN ATTITUDE. POST-ACCIDENT EXAMINATION OF THE ACFT REVEALED EVIDENCE THAT THE MOLDED-CELLULAR TYPE CARBURETOR FLOAT WAS CHAFING AGAINST THE INTERNAL WALLS OF ITS CHAMBER. AUTOGAS WAS USED IN THE ACFT. A SERVICE BULLETIN WAS IN EFFECT WHICH INDICATED INSTANCES THAT THE MOLDED-CELLULAR TYPE FLOATS HAD ABSORBED FLUID. THE BULLETIN RECOMMENDED CHANGING TO METAL FLOATS.

Probable Cause and Findings

FAILURE OF THE ENGINE DUE TO CARBURETOR FLOAT CHAFFING RESULTING IN A FORCED LANDING ON UNSUITABLE TERRAIN. CONTRIBUTING TO THE ACCIDENT WAS FAILURE OF THE OPERATOR TO COMPLY WITH A SERVICE BULLETIN.

 

Source: NTSB Aviation Accident Database

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