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NTSB Report
December 19, 1992 · Cessna 414A · N911AG
Rexburg, ID
Overview
Report Status
Probable Cause
Event Type
Accident
Date
December 19, 1992
Injury Outcomes
No injuries (2 uninjured)
Location
Rexburg, ID
Aircraft
Cessna 414A
Tail Number
N911AG
Operator
Dr Charles O Garrison
Injuries
None
Aircraft Damage
Substantial
NTSB Number
SEA93LA044
THE PILOT NOTED A FUEL IMBALANCE, WITH MORE FUEL REMAINING IN THE LEFT MAIN TANKS. A FORCED LANDING WAS MADE WHEN BOTH ENGINES LOST POWER, AFTER EXHAUSTING THE FUEL FROM THE RIGHT MAIN TANKS. THE PILOT FAILED TO ACCESS THE APPROXIMATE FIFTY GALLONS REMAINING OF THE LEFT MAIN FUEL SUPPLY BY POSITIONING THE RIGHT FUEL SELECTOR IN CROSSFEED POSITION FOR THE RIGHT ENGINE. LATER TROUBLE SHOOTING REVEALED THAT THE LEFT FUEL SELECTOR VALVE HAD NOT BEEN IN ITS DETENT, AND BOTH ENGINES HAD BEEN FEEDING FROM THE RIGHT MAIN TANKS. O RINGS IN THE FUEL VALVE HAD DETERIORAED TO THE EXTENT THAT THE INTERNAL SPOOL VALVE FELT LIKE IT WAS IN ITS DETENT WHEN IT WAS NOT.
NTSB Probable Cause
THE PILOT DID NOT SELECT THE REMAINING FUEL SUPPLY. FACTORS INCLUDE A DETERIORATED FUEL SELECTOR VALVE.
Full Narrative
THE PILOT NOTED A FUEL IMBALANCE, WITH MORE FUEL REMAINING IN THE LEFT MAIN TANKS. A FORCED LANDING WAS MADE WHEN BOTH ENGINES LOST POWER, AFTER EXHAUSTING THE FUEL FROM THE RIGHT MAIN TANKS. THE PILOT FAILED TO ACCESS THE APPROXIMATE FIFTY GALLONS REMAINING OF THE LEFT MAIN FUEL SUPPLY BY POSITIONING THE RIGHT FUEL SELECTOR IN CROSSFEED POSITION FOR THE RIGHT ENGINE. LATER TROUBLE SHOOTING REVEALED THAT THE LEFT FUEL SELECTOR VALVE HAD NOT BEEN IN ITS DETENT, AND BOTH ENGINES HAD BEEN FEEDING FROM THE RIGHT MAIN TANKS. O RINGS IN THE FUEL VALVE HAD DETERIORAED TO THE EXTENT THAT THE INTERNAL SPOOL VALVE FELT LIKE IT WAS IN ITS DETENT WHEN IT WAS NOT.
Flight
Event TypeAccident
Event Time16:40 MST
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 414A
Tail NumberN911AG
Aircraft CategoryAir
DamageSubstantial
OperatorDr Charles O Garrison
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520-NB · Reciprocating · 310
Seats8
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 57 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind340° @ 5 kt
Visibility7 sm
CeilingOvercast 3600 ft
Temperature / Dew Point7 C / 1 C
Altimeter30.00 inHg
Observation Time23:47
Weather SourceWFAC