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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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August 12, 1982 · Beech H35 · N4800Y

Tulsa, OK

Overview

Report Status
Preliminary report
Event Type
Accident
Date
August 12, 1982
Injury Outcomes
2 injuries (2 fatalities)
Location
Tulsa, OK
Aircraft
Beech H35
Tail Number
N4800Y
Operator
Westwings
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
FTW82FPM15

AIRCRAFT LOST POWER DURING TAKEOFF. PILOT TRIED TO TURN BACK TO AIRPORT IN A LEFT BANK DESCRIBED AS 60 TO 90 DEGREES. AIRCRAFT STALLED AND CRASHED ABOUT 1300 FEET EAST OF TAKEOFF POINT. DURING THE INVESTIGATION THE FUEL PUMP WAS PLACED ON A FLOW BENCH & ON THE INITIAL TEST WOULD NOT PUMP FUEL. THE VAPOR SEPARATOR TOWER COVERPLATE WAS REMOVED & A FOREIGN OBJECT WAS OBSERVED IN THE ORIFICE OF THE VAPOR EJECTOR. THERE WERE PARTICLES OF A BLACK SUBSTANCE FLOATING IN THE SEPARATOR TOWER. WHEN THE FUEL WAS POURED ONTO A WHITE TOWEL THE PARTICLES DISCOLORED THE TOWEL AS GRAPHITE MIGHT DO. AFTER THE VAPOR TOWER & EJECTOR ORIFICE WERE CLEANED, THE PUMP OPERATED NORMALLY.

Full Narrative

AIRCRAFT LOST POWER DURING TAKEOFF. PILOT TRIED TO TURN BACK TO AIRPORT IN A LEFT BANK DESCRIBED AS 60 TO 90 DEGREES. AIRCRAFT STALLED AND CRASHED ABOUT 1300 FEET EAST OF TAKEOFF POINT. DURING THE INVESTIGATION THE FUEL PUMP WAS PLACED ON A FLOW BENCH & ON THE INITIAL TEST WOULD NOT PUMP FUEL. THE VAPOR SEPARATOR TOWER COVERPLATE WAS REMOVED & A FOREIGN OBJECT WAS OBSERVED IN THE ORIFICE OF THE VAPOR EJECTOR. THERE WERE PARTICLES OF A BLACK SUBSTANCE FLOATING IN THE SEPARATOR TOWER. WHEN THE FUEL WAS POURED ONTO A WHITE TOWEL THE PARTICLES DISCOLORED THE TOWEL AS GRAPHITE MIGHT DO. AFTER THE VAPOR TOWER & EJECTOR ORIFICE WERE CLEANED, THE PUMP OPERATED NORMALLY.

Flight

Event TypeAccident
Event Time13:49 CDT
Nearest AirportTulsa Intl (0nm N)
Runway17R
Runway Length5500 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftBeech H35
Tail NumberN4800Y
Aircraft CategoryAir
DamageDestroyed
OperatorWestwings
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-470-N · Reciprocating · 265
Seats4

People & Injuries

Injury Summary2 injuries (2 fatalities)
Fatal2
Serious0
Minor0
Uninjured0
Total2
Crew 1Age 26 · Third Class

Conditions

ConditionsVMC
LightDaylight
Wind18° @ 11 kt
Visibility15 sm
CeilingBroken clouds 4500 ft
Temperature / Dew Point20 C / 0 C
Altimeter30.00 inHg

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Appendix: Source Data