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NTSB Report
September 5, 1992 · Cessna 140 · N2059V
Blairsville, GA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
September 5, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Blairsville, GA
Aircraft
Cessna 140
Tail Number
N2059V
Operator
Immel Roy
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ATL92LA175
REPORTEDLY, THE PILOT REFUELED THE AIRPLANE AFTER IT HAD BEEN PARKED ON THE RAMP SEVERAL DAYS. AFTER COMPLETING THE PREFLIGHT INSPECTION, THE PILOT TOOK OFF, AND FIVE MINUTES INTO THE FLIGHT THE ENGINE LOST POWER; THE PILOT MADE A FORCED LANDING IN A FIELD. THE POST ACCIDENT ENGINE EXAMINATION DISCOVERED THAT TWO EXHAUST VALVES WERE STUCK IN THE OPEN POSITION. BOTH VALVES WERE FORCIBLY REMOVED FROM THE ENGINE. THE VALVE EXAMINATION FURTHER DISCLOSED THAT THE VALVE STEMS WERE COATED WITH A LAYER OF CARBON, WHICH PREVENTED NORMAL VALVE MOVEMENT. THE PILOT USED AUTOMOTIVE FUEL IN THE AIRPLANE, AND BOTH OIL AND FUEL ADDITIVES WERE USED ROUTINELY.
NTSB Probable Cause
A COMPLETE LOSS OF ENGINE POWER WHICH RESULTED FROM TWO STUCK EXHAUST VALVES.
Full Narrative
REPORTEDLY, THE PILOT REFUELED THE AIRPLANE AFTER IT HAD BEEN PARKED ON THE RAMP SEVERAL DAYS. AFTER COMPLETING THE PREFLIGHT INSPECTION, THE PILOT TOOK OFF, AND FIVE MINUTES INTO THE FLIGHT THE ENGINE LOST POWER; THE PILOT MADE A FORCED LANDING IN A FIELD. THE POST ACCIDENT ENGINE EXAMINATION DISCOVERED THAT TWO EXHAUST VALVES WERE STUCK IN THE OPEN POSITION. BOTH VALVES WERE FORCIBLY REMOVED FROM THE ENGINE. THE VALVE EXAMINATION FURTHER DISCLOSED THAT THE VALVE STEMS WERE COATED WITH A LAYER OF CARBON, WHICH PREVENTED NORMAL VALVE MOVEMENT. THE PILOT USED AUTOMOTIVE FUEL IN THE AIRPLANE, AND BOTH OIL AND FUEL ADDITIVES WERE USED ROUTINELY.
Flight
Event TypeAccident
Event Time10:10 EDT
Nearest AirportBlairsville (1nm N)
Runway25
Runway Length3200 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 140
Tail NumberN2059V
Aircraft CategoryAir
DamageSubstantial
OperatorImmel Roy
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · C-85-12F · Reciprocating · 85
Seats2
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 67 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 3 kt
Visibility7 sm
CeilingOvercast 1500 ft
Temperature / Dew Point66 F
Altimeter30.00 inHg
Observation Time13:50
Weather SourceWFAC