Aviation Accident Summaries

Aviation Accident Summary FTW90LA071

RAYNE, LA, USA

Aircraft #1

N1785T

PIPER PA-28-140

Analysis

THE AIRPLANE WAS DAMAGED, WHEN IT STRUCK A DIKE AND THE GROUND DURING A FORCED LANDING FOLLOWING A POWER LOSS. THE PILOT STATED THAT WHILE IN CRUISE FLIGHT AT 500 FEET ON A PIPELINE PATROL FLIGHT, THE ENGINE STARTED RUNNING ROUGH & THE AIRPLANE WOULD NOT SUSTAIN LEVEL FLIGHT. THE PILOT ELECTED TO EXECUTE THE FORCED LANDING IN A RICE FIELD. POST-ACCIDENT INVESTIGATION REVEALED THAT THE #3 EXHAUST VALVE HAD FAILED AND WAS INGESTED, CAUSING SEVERE DAMAGE TO THE PISTON AND CYLINDER. THE CAUSE OF THE FAILURE OF THE VALVE WAS NOT DETERMINED.

Probable Cause and Findings

FAILURE OF THE #3 EXHAUST VALVE, WHICH NECESSITATED A FORCED LANDING ON UNSUITABLE TERRAIN.

 

Source: NTSB Aviation Accident Database

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