ASN Wikibase Occurrence # 41845
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| Date: | Sunday 10 May 1992 |
| Time: | 19:20 LT |
| Type: |  Cessna 177 Cardinal |
| Owner/operator: | Dennis Construction Inc. |
| Registration: | N177RD |
| MSN: | 17700419 |
| Total airframe hrs: | 1950 hours |
| Engine model: | Lycoming O-320-E2D |
| Fatalities: | Fatalities: 3 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lusby, MD -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING INITIAL CLIMB, THE ENGINE BACKFIRED AND LOST PARTIAL POWER, AND THE AIRPLANE CRASHED INTO WOODED TERRAIN ABOUT 250 FT BEYOND THE END OF THE RUNWAY. THE CARBURETOR WAS DISASSEMBLED, AND ALL COMPONENTS WERE ACCOUNTED FOR EXCEPT THE PRIMARY VENTURI. TWO OF THE THREE LEGS WHICH RETAINS THE VENTURI WERE SEPARATED, THE THIRD WAS COMPLETELY MISSING. VISUAL EXAMINATION OF THE REMAINING PORTIONS OF THE TWO SEPARATED LEGS REVEALED A MELTED AND RESOLIDIFIED APPEARANCE. ONE LEG PIECE WAS REMOVED FROM THE THROTTLE BODY, ULTRASONICALLY CLEANED IN ACETONE, AND SUBJECTED TO X-RAY ENERGY DISPERSIVE SPECTROSCOPY (EDS) IN AREAS THAT HAD A FRESH METAL APPEARANCE. THIS ANALYSIS GENERATED SPECTRA WITH LARGE ZINC PEAKS AND A MUCH SMALLER PEAK FOR ALUMINUM.
Probable Cause: A FAILURE OF THE CARBURETOR RESULTING IN A LOSS OF ENGINE POWER.
Accident investigation:
 |
|
Sources:
NTSB BFO92FA058
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 16-Nov-2022 07:15 | nhofmann54 | Updated [Departure airport] |
| 11-Apr-2024 07:24 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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