NTSB Identification: FTW92DPG04.
The docket is stored on NTSB microfiche number 46576.
Accident occurred Thursday, July 02, 1992 in JONESBORO, AR
Probable Cause Approval Date: 06/30/1993
Aircraft: Ayres S2R-T11, registration: N8487V
Injuries: 1 Serious.

DURING AGRICULTURE OPERATIONS THE AIRPLANE SUDDENLY BECAME UNCONTROLLABLE AND IMPACTED THE GROUND. WITNESSES AT THE ACCIDENT SITE REPORTED THAT THE VERTICAL STABILIZER AND RUDDER SEPARATED JUST BEFORE GROUND IMPACT. THE ON SCENE INVESTIGATION REVEALED THAT THE AFT FUSELAGE LONGERONS WERE SEVERELY CORRODED AND THAT THE SEPARATION OCCURRED IN THE AREA OF CORROSION.

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

THE FAILURE OF THE COMPANY MAINTENANCE PERSONNAL AND THE PILOT TO PERFORM ADEQUATE INSPECTIONS AND THE SEPARATION OF FLIGHT CONTROL SURFACES. A FACTOR WAS THE CORRODED RUDDER ASSEMBLY.

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