NTSB Identification: MKC84LA269.
The docket is stored on NTSB microfiche number 25136.
Accident occurred Wednesday, September 05, 1984 in WEINER, AR
Aircraft: Rockwell S-2R, registration: N4924X
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT WAS EXECUTING A TURN AROUND MANEUVER TO CONTINUE SPRAYING WHEN THE #2 CYL BROKE FREE FROM THE ENG & IT COMPLETELY SHUT DOWN. THE ACFT STRUCK THE LEVEE OF A BEAN FIELD & FLIPPED OVER, COMING TO REST IN AN INVERTED POSITION. POST CRASH EXAMINATION REVEALED THAT THE CRANKSHAFT HAD BROKEN WHERE IT HOLDS THE OUTER COUNTERWEIGHT, EFFECTIVELY SHUTTING DOWN THE ENG.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

ENGINE ASSEMBLY,CRANKSHAFT..FAILURE,TOTAL


Contributing Factors

TERRAIN CONDITION..DIRT BANK/RISING EMBANKMENT

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