ASN Wikibase Occurrence # 385374
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| Date: | Thursday 5 October 2000 |
| Time: | 18:40 LT |
| Type: |  Mooney M20K |
| Owner/operator: | Private |
| Registration: | N52202 |
| MSN: | 25-1204 |
| Year of manufacture: | 1989 |
| Total airframe hrs: | 1563 hours |
| Engine model: | Continental TSIO-360-MB1 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Monroe, WA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Everett, WA (KPAE) |
| Eastsound, WA (KORS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that while in cruise flight, the propeller experienced a sudden overspeed. Power was reduced and the pilot turned toward a nearby airport. While on final approach, the engine lost power. The aircraft landed long on the runway and ran off the end and into a swampy area. During the landing roll, the aircraft collided with a tree stump. Inspection of the engine found that the oil pump drive gear separated at its joint with the oil pump drive shaft. A metallurgical examination determined that the shaft for the drive gear showed a shear separation as a result of something forced laterally with respect to its longitudinal axis.
Probable Cause: Oil Pump drive gear shaft separated in shear. A collision with a tree stump during the landing roll was a factor.
Accident investigation:
 |
|
Sources:
NTSB SEA01LA004
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Apr-2024 17:54 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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