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NTSB Report
August 6, 1992 · Beech C90 · N90RG
Pontiac, MI
Overview
Report Status
Probable Cause
Event Type
Accident
Date
August 6, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Pontiac, MI
Aircraft
Beech C90
Tail Number
N90RG
Operator
Jabil Circuit
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CHI92LA237
PILOT WAS ON FINAL APPROACH WHEN HE STATED HE GOT A FUEL CROSSFEED 'WARNING' LIGHT. HE THEN PROCEEDED TO TRY TO TROUBLE SHOOT THE FUEL SYSTEM BY CYCLING THE RIGHT BOOST PUMP SWITCH, AND 'RESET AND ARM' THE AUTO CROSSFEED. HE STATED THE CROSSFEED LIGHT CAME ON AGAIN FOLLOWED BY THE RIGHT FUEL PRESSURE LIGHT, AND HE EXPERIENCED A POWER LOSS ON THE RIGHT SIDE. WHEN HE FEATHERED THE RIGHT ENGINE, THE LEFT ENGINE ALSO EXPERIENCED A LOSS OF POWER. THE PILOT CLEANED UP THE AIRPLANE AND DITCHED IN THE LAKE SHORT OF THE AIRPORT. THE INVESTIGATION REVEALED THE LEFT WING FUEL TANKS WERE EMPTY, AND THE LEFT NACELLE TANK WAS COLLAPSED. THE RIGHT WING FUEL TANKS WERE EMPTY, AND THE RIGHT NACELLE TANK CONTAINED 19 GALLONS OF FUEL. THE FUEL SUPPLY, TRANSFER, AND CROSSFEED SYSTEMS WERE FUNCTIONALLY CHECKED, AND WERE OPERABLE. ALL COCKPIT FUEL SYSTEM LIGHTS INDICATED NORMAL SYSTEM OPERATION.
NTSB Probable Cause
THE PILOT'S NOT UNDERSTANDING THE FUEL SYSTEM, AND HIS SUBSEQUENT INADVERTENT DISCONTINUANCE OF FUEL TO BOTH ENGINES.
Full Narrative
PILOT WAS ON FINAL APPROACH WHEN HE STATED HE GOT A FUEL CROSSFEED 'WARNING' LIGHT. HE THEN PROCEEDED TO TRY TO TROUBLE SHOOT THE FUEL SYSTEM BY CYCLING THE RIGHT BOOST PUMP SWITCH, AND 'RESET AND ARM' THE AUTO CROSSFEED. HE STATED THE CROSSFEED LIGHT CAME ON AGAIN FOLLOWED BY THE RIGHT FUEL PRESSURE LIGHT, AND HE EXPERIENCED A POWER LOSS ON THE RIGHT SIDE. WHEN HE FEATHERED THE RIGHT ENGINE, THE LEFT ENGINE ALSO EXPERIENCED A LOSS OF POWER. THE PILOT CLEANED UP THE AIRPLANE AND DITCHED IN THE LAKE SHORT OF THE AIRPORT. THE INVESTIGATION REVEALED THE LEFT WING FUEL TANKS WERE EMPTY, AND THE LEFT NACELLE TANK WAS COLLAPSED. THE RIGHT WING FUEL TANKS WERE EMPTY, AND THE RIGHT NACELLE TANK CONTAINED 19 GALLONS OF FUEL. THE FUEL SUPPLY, TRANSFER, AND CROSSFEED SYSTEMS WERE FUNCTIONALLY CHECKED, AND WERE OPERABLE. ALL COCKPIT FUEL SYSTEM LIGHTS INDICATED NORMAL SYSTEM OPERATION.
Flight
Event TypeAccident
Event Time14:10 EDT
Nearest Airport0nm N
Runway0
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech C90
Tail NumberN90RG
Aircraft CategoryAir
DamageSubstantial
OperatorJabil Circuit
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT6A-20 · Turboprop · 550
Seats8
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 32 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind150° @ 12 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point48
Altimeter30.00 inHg
Observation Time18:12
Weather SourceWFAC