ASN Wikibase Occurrence # 43175
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| Date: | Wednesday 30 July 1997 |
| Time: | 17:07 LT |
| Type: |  Progressive Aerodyne SeaRey |
| Owner/operator: | Richard Curtis Albrecht |
| Registration: | N7475Q |
| MSN: | 1DK028 |
| Total airframe hrs: | 32 hours |
| Engine model: | Rotax 912VL |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Brighton, MI -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Private |
| Departure airport: | (45G) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airplane was observed to takeoff and reach approximately 150 agl when a power loss was heard. The airplane went into a left bank and then straight down. The airplane did about one and one half spins before impacting the terrain. Examination of the engine revealed both upper and lower spark plugs oil fouled. Closer examination revealed the exhaust valve stem seal had failed. Flight control continuity was established to all flight control surfaces with no anomalies noted.
Probable Cause: Loss of engine power due to a failed exhaust valve oil seal, and fouled spark plugs.
Accident investigation:
 |
|
Sources:
NTSB CHI97LA233
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Apr-2024 13:52 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Source, Narrative, Plane category, Category, Accident report] |
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