ASN Wikibase Occurrence # 212355
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| Date: | Tuesday 19 June 2018 |
| Time: | 11:00 LT |
| Type: |  Cirrus SR22 |
| Owner/operator: | Elite Flight Training And Rental |
| Registration: | N764CT |
| MSN: | 2908 |
| Year of manufacture: | 2008 |
| Total airframe hrs: | 1953 hours |
| Engine model: | Continental IO-550-N50B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Aguila, Yavapai County, NW of Wickenburg, AZ -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Phoenix-Scottsdale Municipal Airport, AZ (SCF/KSDL) |
| Lake Havasu City Airport, AZ (KHII) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a cross-country flight, the pilot observed a significant increase in the engine oil pressure followed by a sudden drop. He prepared for an emergency landing during which the engine speed increased and the engine lost power. The cabin then filled with smoke and oil covered the windshield. The pilot was able to activate the airplane's parachute and the airplane landed about 5 seconds later in a ravine. The airplane was destroyed by a postcrash fire.
A postaccident examination of the engine revealed evidence of a pre-ignition/detonation event that partially eroded the Nos. 2 and 5 pistons. The eroded pistons permitted the pressurization of the crankcase, which resulted in oil starvation of the engine. Due to the severe fire damage, the cause of the preignition/detonation could not be determined.
Probable Cause: A total loss of engine power due to pre-ignition/detonation for reasons that could not be determined based on available information.
Accident investigation:
 |
|
Sources:
NTSB WPR18LA174
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=764CT
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Jun-2018 23:04 | Geno | Added |
| 19-Jun-2018 23:34 | Geno | Updated [Source, Damage, Narrative] |
| 20-Jun-2018 00:25 | Geno | Updated [Phase, Source, Narrative] |
| 20-Jun-2018 15:54 | harro | Updated [Registration, Cn, Operator, Source] |
| 02-Jul-2022 17:49 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
| 02-Jul-2022 18:32 | harro | Updated [Source, Narrative] |
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