ASN Wikibase Occurrence # 149221
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| Date: | Tuesday 18 September 2012 |
| Time: | 15:32 |
| Type: |  Piper PA-46-350P Malibu Mirage |
| Owner/operator: | Private |
| Registration: | N188SR |
| MSN: | 4622052 |
| Total airframe hrs: | 1932 hours |
| Engine model: | Lycoming TIO--540-AE2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Kiowa, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Englewood, CO (KAPA) |
| Pascagoula, MS (KPQL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that as the airplane climbed to about 10,000 feet mean sea level after takeoff, the engine began a “moderate violent shaking.” The oil pressure then decreased rapidly, oil sprayed on the windshield, and the engine seized. The pilot made a forced landing in a hay field, during which the airplane’s nose gear collapsed and the left wing rear spar was bent. Examination of the engine revealed corrosion and pitting on the cylinder walls, camshaft, and lifters, which likely contributed to accelerated wear of engine components and the subsequent failure of the front crankshaft seal. The airplane had annual inspections in May 2011 and August 2012, but no records of maintenance could be located for about a 4 year period before the May 2011 inspection. The airplane had accumulated only about 38 hours in the previous 5 years, including less than 2 hours in the 1 year preceding the accident. The observed engine wear and damage was consistent with engine operations after an extended period of inactivity; however, the wear and damage could have been detected during at least the August 2012 inspection. The circumstances of the engine failure were consistent with a mechanical failure due to unrecognized or unrepaired corrosion in the engine.
Probable Cause: A catastrophic engine failure due to unrecognized and unrepaired corrosion within the engine, which was consistent with engine operations after an extended period of inactivity.
Accident investigation:
 |
|
Sources:
NTSB
History of this aircraft
Other occurrences involving this aircraft
| 28 August 1992 | N350PM | Private | 0 | Sanford, ME | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Sep-2012 09:27 | Geno | Added |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 13:23 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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