ASN Wikibase Occurrence # 354771
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| Date: | Tuesday 24 February 1998 |
| Time: | 16:30 LT |
| Type: |  Cessna 150F |
| Owner/operator: | Private |
| Registration: | N8794G |
| MSN: | 15062894 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 2500 hours |
| Engine model: | Subaru EJ22 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fife, WA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | Auburn, WA (S50) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The Subaru Legacy powered Cessna 150 experienced a partial loss of engine power about 30 minutes after takeoff. Soon thereafter, the engine lost all power, and the pilot executed a forced landing in a nearby field. Although the touchdown was successful, the nose gear dug into the soft terrain as the pilot applied brakes to stop short of an upcoming ditch. After the nose gear dug into the terrain, the aircraft flipped over onto its back. A teardown of the engine revealed that the head had fractured off one of the exhaust valves in the forward left cylinder, resulting in the destruction of the piston.
Probable Cause: The fracture separation of an exhaust valve head, followed by the total failure of the associated piston. A factor was the soft terrain at the location of the forced landing.
Accident investigation:
 |
|
Sources:
NTSB SEA98LA039
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 11-Mar-2024 18:11 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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