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NTSB Report
August 27, 1992 · Cessna 150G · N3015S
Fresno, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
August 27, 1992
Injury Outcomes
1 injury (1 minor injury)
Location
Fresno, CA
Aircraft
Cessna 150G
Tail Number
N3015S
Operator
Applied Aero
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
LAX92LA366
THE PILOT SAID THAT WHILE ON DOWNWIND HE ENDED UP CLOSE TO ANOTHER AIRCRAFT AND HE EXTENDED HIS PATTERN TO IMPROVE THE SEPARATION. THE ENGINE LOST POWER ON FINAL APPROACH AND THE AIRCRAFT DESCENDED INTO TREES AND A HOUSE. FAA AIRWORTHINESS INSPECTORS EXAMINED THE AIRCRAFT, AND, AFTER REMOVAL FROM THE ACCIDENT SITE TO THE AIRPORT, SUPERVISED A TEST RUN OF THE ENGINE. USING THE AIRCRAFT SYSTEMS, THE ENGINE WAS STARTED AND EXERCISED THROUGHOUT ITS NORMAL POWER RANGE FROM IDLE TO FULL POWER, WITH MAGNETO AND CARBURETOR HEAT CHECKS WITHIN LIMITS. THE AVIATION SURFACE WEATHER OBSERVATION AT THE TIME OF THE ACCIDENT WAS REPORTING A TEMPERATURE AND DEW POINT OF 75 AND 56 DEGREES RESPECTIVELY. REVIEW OF A CARBURETOR ICING PROBABILITY CHART REVEALS THAT THE REPORTED TEMPERATURE AND DEW POINT FALLS WITHIN AN AREA OF THE CHART DEFINED AS 'SERIOUS ICING GLIDE POWER OR MODERATE ICING CRUISE POWER.'
NTSB Probable Cause
THE LOSS OF ENGINE POWER DUE TO CARBURETOR ICING AND THE FAILURE OF THE PILOT TO USE CARBURETOR HEAT.
Full Narrative
THE PILOT SAID THAT WHILE ON DOWNWIND HE ENDED UP CLOSE TO ANOTHER AIRCRAFT AND HE EXTENDED HIS PATTERN TO IMPROVE THE SEPARATION. THE ENGINE LOST POWER ON FINAL APPROACH AND THE AIRCRAFT DESCENDED INTO TREES AND A HOUSE. FAA AIRWORTHINESS INSPECTORS EXAMINED THE AIRCRAFT, AND, AFTER REMOVAL FROM THE ACCIDENT SITE TO THE AIRPORT, SUPERVISED A TEST RUN OF THE ENGINE. USING THE AIRCRAFT SYSTEMS, THE ENGINE WAS STARTED AND EXERCISED THROUGHOUT ITS NORMAL POWER RANGE FROM IDLE TO FULL POWER, WITH MAGNETO AND CARBURETOR HEAT CHECKS WITHIN LIMITS. THE AVIATION SURFACE WEATHER OBSERVATION AT THE TIME OF THE ACCIDENT WAS REPORTING A TEMPERATURE AND DEW POINT OF 75 AND 56 DEGREES RESPECTIVELY. REVIEW OF A CARBURETOR ICING PROBABILITY CHART REVEALS THAT THE REPORTED TEMPERATURE AND DEW POINT FALLS WITHIN AN AREA OF THE CHART DEFINED AS 'SERIOUS ICING GLIDE POWER OR MODERATE ICING CRUISE POWER.'
Flight
Event TypeAccident
Event Time08:40 PDT
Nearest AirportFresno Chandler (1nm ESE)
Runway3
Runway Length3202 ft
Runway Width75 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 150G
Tail NumberN3015S
Aircraft CategoryAir
DamageSubstantial
OperatorApplied Aero
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · O-200-A · Reciprocating · 100
Seats2
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 68 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind130° @ 3 kt
Visibility7 sm
CeilingNone
Temperature / Dew Point55
Altimeter30.00 inHg
Observation Time15:50
Weather SourceWFAC