ASN Wikibase Occurrence # 356137
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| Date: | Friday 21 March 1997 |
| Time: | 10:00 LT |
| Type: |  Cessna 150L |
| Owner/operator: | Private |
| Registration: | N21993 |
| MSN: | 15074597 |
| Engine model: | Continental O-200D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Nogales, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Tucson, AZ (KRYN) |
| (OL5) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot said that the power dropped, then returned to cruise rpm. About 30 to 40 seconds later the engine lost power again, regained power, and then dropped again. This cycle was repeated seven or eight times, with the pilot performing the emergency checklist procedures. The engine then stopped completely and the pilot made a forced landing during which the aircraft collided with trees. An engine run-up was conducted by an FAA inspector with no mechanical abnormalities found. The FAA inspector stated that a fuel sample was retrieved from the aircraft fuel tanks at the accident scene and appeared to be contaminated. As viewed, the sample had some water and debris in it, and was yellow in color. Particles of rust were also noted in the sample. The inspector reviewed the maintenance records and found that the owner had obtained an STC to use auto fuel in this aircraft. He reported that 'the sample smelled like a mixture of auto fuel and aviation fuel. . .[and]. . .neither of these fuels are yellow in color.' The aircraft owner/pilot stated to the inspector that he has a barrel of fuel at his hangar from which he refuels the aircraft.
Probable Cause: Loss of engine power due to fuel contamination resulting from the pilot's inadequate fuel storage and filtering procedures.
Accident investigation:
 |
|
Sources:
NTSB LAX97LA129
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 19:24 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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