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NTSB Report
June 4, 1982 · Beech 65-90 · N190BT
Wichita, KS
Overview
Report Status
Preliminary report
Event Type
Accident
Date
June 4, 1982
Injury Outcomes
No injuries (3 uninjured)
Location
Wichita, KS
Aircraft
Beech 65-90
Tail Number
N190BT
Operator
Midwest Piper Flight
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MKC82FA095
THE PLT DETECTED A LOSS OF ENG TORQUE AT ABOUT ROTATION AIRSPEED ABOUT 1700 FT DOWN THE RWY & THE TAKEOFF WAS ABORTED. THE ACFT SLID INTO A DITCH OFF THE END OF THE RWY COLLAPSING THE MAIN GEAR. A FUNCTIONAL CHECK OF THE RIGHT ENG FUEL PUMP, P/N4V146R002, SER.#JX241439D, MANUFACTURED BY SPERRY VICKERS SHOWED THAT AT HIGH PUMP SPEED FUEL FLOW WAS INTERMITTENT. DISASSEMBLY OF THE PUMP REVEALED THAT THE ROTOR DRIVE SERRATIONS ON THE MAIN ROTOR DRIVE SHAFT, P/N330205,WERE WORN TO THE POINT THAT THE ROTOR WOULD SLIP ON THE SHAFT AT HIGH PUMP SPEEDS.
Full Narrative
THE PLT DETECTED A LOSS OF ENG TORQUE AT ABOUT ROTATION AIRSPEED ABOUT 1700 FT DOWN THE RWY & THE TAKEOFF WAS ABORTED. THE ACFT SLID INTO A DITCH OFF THE END OF THE RWY COLLAPSING THE MAIN GEAR. A FUNCTIONAL CHECK OF THE RIGHT ENG FUEL PUMP, P/N4V146R002, SER.#JX241439D, MANUFACTURED BY SPERRY VICKERS SHOWED THAT AT HIGH PUMP SPEED FUEL FLOW WAS INTERMITTENT. DISASSEMBLY OF THE PUMP REVEALED THAT THE ROTOR DRIVE SERRATIONS ON THE MAIN ROTOR DRIVE SHAFT, P/N330205,WERE WORN TO THE POINT THAT THE ROTOR WOULD SLIP ON THE SHAFT AT HIGH PUMP SPEEDS.
Flight
Event TypeAccident
Event Time17:46 CDT
Nearest AirportColonel James Jabara (0nm N)
Runway36
Runway Length2800 ft
Runway Width40 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech 65-90
Tail NumberN190BT
Aircraft CategoryAir
DamageSubstantial
OperatorMidwest Piper Flight
Operating RulePart 135
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT-6A-6 · Turboprop · 500
Seats3
People & Injuries
Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 25 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind90° @ 5 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point15 C / 0 C
Altimeter30.00 inHg