ASN Wikibase Occurrence # 308647
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| Date: | Thursday 5 August 2021 |
| Time: | 20:30 LT |
| Type: |  Piper J3C-65 |
| Owner/operator: | Private |
| Registration: | N6269H |
| MSN: | 19449 |
| Year of manufacture: | 1946 |
| Total airframe hrs: | 3677 hours |
| Engine model: | Continental A-65-8 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Gosport, Indiana -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Brazil, IN (0I2) |
| Paragon, IN (IG03) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot stated that, during cruise flight, the airplane experienced 'significant” vibration, which was followed by a total loss of engine power. The pilot performed a forced landing to a field, during which the airplane nosed over and impacted terrain.
Postaccident examination of the airplane engine revealed that the No. 4 cylinder exhaust valve stem was broken at its base and the seat was turned sideways. Pieces of the stem were found in the cylinder. The failure of the exhaust valve resulted in reduced engine compression leading to the total loss of engine power.
Probable Cause: A total loss of engine power during cruise flight due to the failure of a cylinder exhaust valve stem, which led to a forced landing during which the airplane impacted terrain.
Accident investigation:
 |
|
Sources:
NTSB CEN21LA359
Location
Revision history:
| Date/time | Contributor | Updates |
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