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NTSB Report
September 3, 1992 · Cessna 402B · N7882Q
Almont, MI
Overview
Report Status
Probable Cause
Event Type
Accident
Date
September 3, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Almont, MI
Aircraft
Cessna 402B
Tail Number
N7882Q
Operator
Royal Air Freight
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CHI92LA263
THE TWIN ENGINE CARGO AIRPLANE WAS PREPARING TO ENTER A BASE LEG FOR LANDING WHEN THE LEFT ENGINE CEASED OPERATING. DURING THE TRANSITION TO SINGLE-ENGINE OPERATIONS, THE PILOT STATED THE AIRPLANE'S AIRSPEED WENT BELOW THE SINGLE ENGINE BEST RATE OF CLIMB AIRSPEED AND A DESCENT WAS ENTERED. THE PILOT STATED HE WAS NOT ABLE TO TURN ONTO BASE LEG BECAUSE WHEN HE ATTEMPTED TO DO SO THE AIRPLANE'S STALL WARNING SYSTEM WOULD ACTIVATE. THE PILOT STATED HE WAS NOT ABLE TO PITCH THE AIRPLANE'S ATTITUDE DOWN TO REGAIN AIRSPEED BECAUSE OF LOW ALTITUDE. THE PILOT ELECTED TO LAND IN A CORN FIELD. THE ON SCENE INVESTIGATION AND POST ACCIDENT TESTING REVEALED THE LEFT ENGINE'S FUEL PUMP WAS DEFECTIVE AND HAD FLOODED THE ENGINE.
NTSB Probable Cause
EXCESSIVE FUEL SYSTEM PUMP PRESSURE AND CORRESPONDING EXCESSIVE FUEL PRESSURE AND THE PILOT NOT MAINTAINING THE BEST SINGLE ENGINE CLIMB SPEED.
Full Narrative
THE TWIN ENGINE CARGO AIRPLANE WAS PREPARING TO ENTER A BASE LEG FOR LANDING WHEN THE LEFT ENGINE CEASED OPERATING. DURING THE TRANSITION TO SINGLE-ENGINE OPERATIONS, THE PILOT STATED THE AIRPLANE'S AIRSPEED WENT BELOW THE SINGLE ENGINE BEST RATE OF CLIMB AIRSPEED AND A DESCENT WAS ENTERED. THE PILOT STATED HE WAS NOT ABLE TO TURN ONTO BASE LEG BECAUSE WHEN HE ATTEMPTED TO DO SO THE AIRPLANE'S STALL WARNING SYSTEM WOULD ACTIVATE. THE PILOT STATED HE WAS NOT ABLE TO PITCH THE AIRPLANE'S ATTITUDE DOWN TO REGAIN AIRSPEED BECAUSE OF LOW ALTITUDE. THE PILOT ELECTED TO LAND IN A CORN FIELD. THE ON SCENE INVESTIGATION AND POST ACCIDENT TESTING REVEALED THE LEFT ENGINE'S FUEL PUMP WAS DEFECTIVE AND HAD FLOODED THE ENGINE.
Flight
Event TypeAccident
Event Time20:15 EDT
Nearest Airport0nm N
Runway0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 402B
Tail NumberN7882Q
Aircraft CategoryAir
DamageSubstantial
OperatorRoyal Air Freight
Operating RulePart 135
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520-E · Reciprocating · 300
Seats8
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 41 · First Class
Conditions
ConditionsVMC
LightDusk
Wind150° @ 10 kt
Visibility7 sm
CeilingBroken clouds 9000 ft
Temperature / Dew Point70 F / 57
Altimeter29.00 inHg
Observation Time23:55
Weather SourceWFAC