ASN Wikibase Occurrence # 368745
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| Date: | Sunday 21 May 1989 |
| Time: | 14:00 LT |
| Type: |  Van's RV-4 |
| Owner/operator: | Private |
| Registration: | N371FZ |
| MSN: | 371 |
| Year of manufacture: | 1989 |
| Total airframe hrs: | 775 hours |
| Engine model: | LYCOMING O-320-E2D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Columbia, IL -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Columbia, IL (H49) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE ACFT EXPERIENCED AN ENGINE FAILURE IMMEDIATELY AFTER LIFT OFF. THE PLT LANDED STRAIGHT AHEAD ON THE SAME RUNWAY BUT WAS UNABLE TO STOP IN THE DISTANCE REMAINING. THE ACFT NOSED OVER AFTER STRIKING A DITCH LOCATED AT THE END OF THE RUNWAY. POST ACCIDENT INVESTIGATION SHOWED THAT THE FUEL LINES HAD BEEN LOOSELY WRAPPED WITH FIRESLEEVE AND HAD BEEN ROUTED ADJACENT TO AN EXHAUST PIPE. GROUND RUNNING THE ENG FOR APRX ONE HR AFTER THE ACCIDENT RESULTED IN FUEL PRESSURE FLUCTUATIONS, HIGH OIL TEMP, AND LOSS OF ENGINE POWER ACCOMPANIED BY HEAVY BLACK SMOKE COMING FROM THE EXHAUST PIPES. THE BOOST PUMP SEEMED TO HAVE NO EFFECT ON THE PROBLEM.
Probable Cause: THE IMPROPER ROUTING OF ENGINE FUEL LINES RESULTING IN OVER TEMPERATURE OF THE LINES WHICH RESULTED IN THE FUEL FLOW TO CARBURETOR TO FLUCTUATE AND CAUSE OVER RICH CONDITION AND LOSS OF ENGINE POWER.
Accident investigation:
 |
|
Sources:
NTSB CHI89DCA01
History of this aircraft
Other occurrences involving this aircraft
| 5 May 1990 | N371FZ | Private | 0 | Columbia, IL | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Mar-2024 07:02 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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