Aviation Accident Summary LAX88LA316

CRESCENT CITY, CA, USA

Aircraft #1

N4834P

CESSNA 182M

Analysis

THE PILOT REPORTED THAT DURING FLIGHT, THE ENGINE STARTED TO MISS AND THEN BEGAN BACKFIRING. HE 'CUT' THE POWER BACK TO PREVENT THE AIRPLANE FROM 'SHAKING APART' & TRIED TO GLIDED THE AIRPLANE TO AN AIRPORT, BUT WAS UNABLE. SUBSEQUENTLY, THE AIRPLANE WAS DAMAGED DURING AN EMERGENCY LANDING OF ROUGH TERRAIN. POST ACCIDENT INVESTIGATION & TEARDOWN OF THE ENGINE REVEALED THE #2 PISTON HAD FAILED. A METALLURGICAL EXAM OF THE PISTON REVEALED PREEXISTING FATIGUE CRACKS.

Probable Cause and Findings

FAILURE OF THE NUMBER 2 PISTON DUE TO PREEXISTING FATIGUE CRACKS IN THE PISTON.

 

Source: NTSB Aviation Accident Database

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