Aviation Accident Summaries

Aviation Accident Summary ANC92LA142

WASILLA, AK, USA

Aircraft #1

N77073

CESSNA 140

Analysis

DURING CRUISE FLIGHT THE PILOT EXPERIENCED A PARTIAL LOSS OF ENGINE POWER, AND MADE AN OFF AIRPORT FORCED LANDING, WHICH RESULTED IN SUBSTANTIAL DAMAGE TO THE AIRPLANE. EXAMINATION FOUND THAT A PIECE OF THE RIGHT HAND EXHAUST STACK HAD SEPARATED AT THE CONFLUENCE OF THE CARBURETOR HEAT EXTRACTION AREA. THE ENGINE OPERATED NORMALLY FOLLOWING THE ACCIDENT.

Probable Cause and Findings

THE PARTIAL LOSS OF ENGINE POWER DUE TO THE SEPARATION OF THE RIGHT HAND EXHAUST STACK. CONTRIBUTING TO THE ACCIDENT WAS THE UNSUITABLE TERRAIN ON WHICH THE FORCED LANDING WAS MADE.

 

Source: NTSB Aviation Accident Database

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