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NTSB Report
November 5, 1985 · Beech H18 · N1461G
Oklahoma City, OK
Overview
Report Status
Preliminary report
Event Type
Accident
Date
November 5, 1985
Injury Outcomes
2 injuries (2 fatalities)
Location
Oklahoma City, OK
Aircraft
Beech H18
Tail Number
N1461G
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
FTW86FA004
ATR PLT DEPARTING ARPT UNDER VMC EXPERIENCED FAILURE OF THE RIGHT ENG SHORTLY AFTER LIFT-OFF. THE ACFT YAWED RIGHT FOLLOWED BY A STEEP RIGHT ROLL, CONTACTING POWER LINES WITH THE RIGHT WING AND SUBSEQUENTLY IMPACTED THE GROUND. A POST-CRASH FIRE DESTOYED THE ACFT WITH THE EXCEPTION OF BOTH ENGS AND A PORTION OF THE RIGHT WING PANEL. THE ENG FAILED DUE TO LACK OF LUBRICATION TO THE IMPELLER SHAFT CAUSED BY BLOCKAGE OF OIL JET DUE TO FOD. OIL LINE FROM SCAVENGE SUMP TO SCAVENGE PUMP INLET HAD BEEN REPLACED PRIOR TO ACCIDENT. THE ACFT HAD EXPERIENCED MAINTENANCE PROBLEM (OIL LEAK) APRX 2 WEEKS PRIOR TO ACCIDENT. SOURCE OF FOD IS UNDETERMINED.
Full Narrative
ATR PLT DEPARTING ARPT UNDER VMC EXPERIENCED FAILURE OF THE RIGHT ENG SHORTLY AFTER LIFT-OFF. THE ACFT YAWED RIGHT FOLLOWED BY A STEEP RIGHT ROLL, CONTACTING POWER LINES WITH THE RIGHT WING AND SUBSEQUENTLY IMPACTED THE GROUND. A POST-CRASH FIRE DESTOYED THE ACFT WITH THE EXCEPTION OF BOTH ENGS AND A PORTION OF THE RIGHT WING PANEL. THE ENG FAILED DUE TO LACK OF LUBRICATION TO THE IMPELLER SHAFT CAUSED BY BLOCKAGE OF OIL JET DUE TO FOD. OIL LINE FROM SCAVENGE SUMP TO SCAVENGE PUMP INLET HAD BEEN REPLACED PRIOR TO ACCIDENT. THE ACFT HAD EXPERIENCED MAINTENANCE PROBLEM (OIL LEAK) APRX 2 WEEKS PRIOR TO ACCIDENT. SOURCE OF FOD IS UNDETERMINED.
Flight
Event TypeAccident
Event Time15:11 CST
Nearest AirportExpressway (0nm SW)
Runway20
Runway Length3000 ft
Runway Width70 ft
Flight Plan FiledIFR
Aircraft FireGrd
Aircraft ExplosionGrd
Aircraft
AircraftBeech H18
Tail NumberN1461G
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 135
Engines2
Engine TypeReciprocating
Engine DetailsP&W · R-985-AN-1 · Reciprocating · 450
People & Injuries
Injury Summary2 injuries (2 fatalities)
Fatal2
Serious0
Minor0
Uninjured0
Total2
Crew 1Age 51 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind190° @ 15 kt, gusting 20 kt
Visibility15 sm
CeilingBroken clouds 25000 ft
Temperature / Dew Point43 C
Altimeter29.00 inHg
Observation Time21:48
Weather SourceWFAC