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NTSB Report
July 2, 1992 · Ayres S2R-T11 · N8487V
Jonesboro, AR
Overview
Report Status
Probable Cause
Event Type
Accident
Date
July 2, 1992
Injury Outcomes
1 injury (1 serious injury)
Location
Jonesboro, AR
Aircraft
Ayres S2R-T11
Tail Number
N8487V
Operator
Jay H Harmon
Injuries
Serious
Aircraft Damage
Substantial
NTSB Number
FTW92DPG04
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.
NTSB Probable Cause
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time14:15 CDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAyres S2R-T11
Tail NumberN8487V
Aircraft CategoryAir
DamageSubstantial
OperatorJay H Harmon
Operating RulePart 137
Engines1
Engine TypeTurboprop
Engine DetailsP&W · PT6A-11AG · Turboprop · 500
Seats1
People & Injuries
Injury Summary1 injury (1 serious injury)
Fatal0
Serious1
Minor0
Uninjured0
Total1
Crew 1Age 45 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind200° @ 17 kt
Visibility10 sm
CeilingBroken clouds 4500 ft
Altimeter29.00 inHg
Weather SourceWIT