Accident WACO UPF-7 N29309,
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ASN Wikibase Occurrence # 368630
 
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Date:Tuesday 6 June 1989
Time:18:30 LT
Type:Silhouette image of generic WACF model; specific model in this crash may look slightly different    
WACO UPF-7
Owner/operator:Rwm Enterprises,inc.
Registration: N29309
MSN: 5336
Year of manufacture:1940
Total airframe hrs:2556 hours
Engine model:CONTINENTAL W-670-6N
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Creve Coeur, MO -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:(1H0)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
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.

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).

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MKC89LA128
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

NTSB MKC89LA128

Location

Revision history:

Date/timeContributorUpdates
23-Mar-2024 20:28 ASN Update Bot Added

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