Aviation Accident Summary MKC87LA137

BADERVILLE, MO, USA

Aircraft #1

N3169N

AIR TRACTOR AT301A

Analysis

DURING AN AERIAL APPLICATION OPERATION, THE PILOT EXPERIENCED A VIOLENT ENGINE VIBRATION. HE REDUCED POWER AND ATTEMPTED AN EMERGENCY LDG. ACFT NOSED OVER ON LANDING. THE PILOT EXITED AIRCRAFT THROUGH SIDE WINDOW. ACFT CAUGHT FIRE AND WAS DESTROYED. INVESTIGATION REVEALED APPROXIMATELY FOURTEEN INCHES OF PROPELLER BLADE WAS MISSING. METALLURGICAL EXAMINATION DETERMINED THE BLADE SEPARATION RESULTED FROM STRIKING AN OBJECT IN THE PAST WHICH RESULTED IN A CRACK THAT FINALLY SEPARATED.

 

Source: NTSB Aviation Accident Database

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