ASN Wikibase Occurrence # 236541
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| Date: | Friday 29 May 2020 |
| Time: | 10:30 LT |
| Type: |  Piper PA-24-180 Comanche |
| Owner/operator: | |
| Registration: | N6989P |
| MSN: | 24-2132 |
| Year of manufacture: | 1960 |
| Total airframe hrs: | 5533 hours |
| Engine model: | Lycoming O-360A1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | South of Humboldt Municipal Airport, TN (M53) -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | Humboldt Municipal Airport, TN (M53) |
| Humboldt Municipal Airport, TN (M53) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
New avionics had just been installed in the airplane after a 5 week wait, and the purpose of the accident flight was for the pilot to test fly the airplane with the installing mechanic. The pilot performed an uneventful preflight inspection of the airplane and after liftoff there was a reduction in engine rpm before the engine lost power completely. The pilot preformed a forced landing to a golf course, resulting in substantial damage to the fuselage and both wings. No mechanical anomalies were discovered during a postaccident examination of the engine that would have precluded normal operation; however, a fuel sample from the carburetor bowl displayed a cloudy (green/yellow) tint instead of the expected clear, blue coloring of aviation fuel. No other contamination was observed within the airplane's fuel system and the source of the contamination could not be identified. Given this information, it is likely that the engine lost power due to contaminated fuel that migrated through the fuel system into the carburetor.
Probable Cause: A partial loss of engine power due to contaminated fuel.
Accident investigation:
 |
|
Sources:
NTSB ERA20LA198
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=6989P
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-May-2020 00:38 | Geno | Added |
| 30-May-2020 01:41 | RobertMB | Updated [Aircraft type, Location, Nature, Source, Narrative] |
| 24-Jun-2021 07:26 | aaronwk | Updated [Time, Phase, Departure airport, Destination airport, Source, Narrative] |
| 24-Jun-2022 17:47 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
| 24-Jun-2022 17:56 | harro | Updated [Other fatalities, Location, Departure airport, Destination airport, Source, Narrative] |
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