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NTSB Report
June 6, 1989 · Waco UPF-7 · N29309
Creve Coeur, MO
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 6, 1989
Injury Outcomes
No injuries (2 uninjured)
Location
Creve Coeur, MO
Aircraft
Waco UPF-7
Tail Number
N29309
Operator
Rwm Enterprises
Injuries
None
Aircraft Damage
Substantial
NTSB Number
MKC89LA128
THE PILOT REPORTED THAT SHORTLY AFTER TAKEOFF, AFTER ATTAINING AN ALTITUDE OF ABOUT 100 FT, THE ENGINE BEGAN LOSING POWER. HE INITIATED A SHALLOW RIGHT TURN TO AVOID TREES AND TO STAY OVER THE AIRPORT. HOWEVER, THE ENGINE LOST ALL POWER AND AN EMERGENCY LANDING WAS MADE IN AN ADJACENT CORN FIELD WHERE THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED. NO PREIMPACT MECHANICAL MALFUNCTION OR FAILURE WAS FOUND DURING THE INVESTIGATION. THE TEMPERATURE & DEW POINT WERE 81 AND 50 DEGREES, RESPECTIVELY. ACCORDING TO ICING PROBABILITY CHARTS, CONDITIONS WERE CONDUCIVE TO CARBURETOR ICING.
NTSB Probable Cause
IMPROPER USE OF THE CARBURETOR HEAT BY THE PILOT AND CARBURETOR ICE. CONTRIBUTING FACTORS WERE: CARBURETOR ICING CONDITIONS, HIGH OBSTRUCTIONS AND TERRAIN CONDITIONS (CORN CROP).
Full Narrative
THE PILOT REPORTED THAT SHORTLY AFTER TAKEOFF, AFTER ATTAINING AN ALTITUDE OF ABOUT 100 FT, THE ENGINE BEGAN LOSING POWER. HE INITIATED A SHALLOW RIGHT TURN TO AVOID TREES AND TO STAY OVER THE AIRPORT. HOWEVER, THE ENGINE LOST ALL POWER AND AN EMERGENCY LANDING WAS MADE IN AN ADJACENT CORN FIELD WHERE THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED. NO PREIMPACT MECHANICAL MALFUNCTION OR FAILURE WAS FOUND DURING THE INVESTIGATION. THE TEMPERATURE & DEW POINT WERE 81 AND 50 DEGREES, RESPECTIVELY. ACCORDING TO ICING PROBABILITY CHARTS, CONDITIONS WERE CONDUCIVE TO CARBURETOR ICING.
Flight
Event TypeAccident
Event Time17:30 CDT
Nearest AirportCreve Coeur (0nm N)
Runway25
Runway Length3020 ft
Runway Width175 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftWaco UPF-7
Tail NumberN29309
Aircraft CategoryAir
DamageSubstantial
OperatorRwm Enterprises
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · W-670-6N · Reciprocating · 220
Seats2
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 44 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind190° @ 7 kt
Visibility15 sm
CeilingNone
Temperature / Dew Point50
Altimeter29.00 inHg
Observation Time22:50
Weather SourceWFAC