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NTSB Report
June 20, 1989 · Cessna 340 · N69549
Paso Robles, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 20, 1989
Injury Outcomes
No injuries (1 uninjured)
Location
Paso Robles, CA
Aircraft
Cessna 340
Tail Number
N69549
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX89LA224
AS THE AIRPLANE WAS ON FINAL APPROACH TO LAND, BOTH ENGINES LOST POWER. THE PILOT IMMEDIATELY MOVED THE BOOST PUMP SWITCHES TO THE HIGH POSITION AND SWITCHED THE FUEL SELECTOR VALVES TO THE AUXILIARY TANKS, BUT TO NO AVAIL. REALIZING THERE WAS INSUFFICIENT ALTITUDE TO REACH THE RUNWAY, HE MANEUVERED THE AIRPLANE TO MISS SOME STRUCTURES, BUT IT COLLIDED WITH TREES. AN INVESTIGATION REVEALED NO FUEL QUANTITY INDICATORS WERE INSTALLED IN THE AIRPLANE AND THAT THE MAIN FUEL TANKS WERE EMPTY; HOWEVER, BOTH AUXILIARY FUEL TANKS WERE FULL. THE OWNER'S MANUAL STATED THAT THE AUXILIARY FUEL SUPPLY WAS TO BE USED IN CRUISE FLIGHT ONLY AND THAT FAILURE OF AN ENGINE OR ENGINE DRIVEN FUEL PUMP WOULD RESULT IN FUEL NOT BEING AVAILABLE FROM THE RESPECTIVE AUXILIARY TANK.
NTSB Probable Cause
IMPROPER USE (MISMANAGEMENT) OF THE FUEL SYSTEM BY THE PILOT, WHICH RESULTED IN FUEL STARVATION. RELATED FACTORS WERE: THE LACK OF FUEL QUANTITY INDICATORS (NOT INSTALLED) IN THE AIRCRAFT, FLIGHT BY THE PILOT WITH THIS KNOWN DEFICIENCY, AND TREES IN THE EMERGENCY LANDING AREA.
Full Narrative
AS THE AIRPLANE WAS ON FINAL APPROACH TO LAND, BOTH ENGINES LOST POWER. THE PILOT IMMEDIATELY MOVED THE BOOST PUMP SWITCHES TO THE HIGH POSITION AND SWITCHED THE FUEL SELECTOR VALVES TO THE AUXILIARY TANKS, BUT TO NO AVAIL. REALIZING THERE WAS INSUFFICIENT ALTITUDE TO REACH THE RUNWAY, HE MANEUVERED THE AIRPLANE TO MISS SOME STRUCTURES, BUT IT COLLIDED WITH TREES. AN INVESTIGATION REVEALED NO FUEL QUANTITY INDICATORS WERE INSTALLED IN THE AIRPLANE AND THAT THE MAIN FUEL TANKS WERE EMPTY; HOWEVER, BOTH AUXILIARY FUEL TANKS WERE FULL. THE OWNER'S MANUAL STATED THAT THE AUXILIARY FUEL SUPPLY WAS TO BE USED IN CRUISE FLIGHT ONLY AND THAT FAILURE OF AN ENGINE OR ENGINE DRIVEN FUEL PUMP WOULD RESULT IN FUEL NOT BEING AVAILABLE FROM THE RESPECTIVE AUXILIARY TANK.
Flight
Event TypeAccident
Event Time13:15 PDT
Nearest AirportPaso Robles (0nm N)
Runway31
Runway Length4700 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 340
Tail NumberN69549
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520 · Reciprocating · 310
Seats6
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 58 · Third Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility40 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO