ASN Wikibase Occurrence # 376491
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| Date: | Wednesday 14 August 1985 |
| Time: | 16:30 LT |
| Type: |  Cessna 172P |
| Owner/operator: | Bridgeport Flying Service |
| Registration: | N5259K |
| MSN: | 17274034 |
| Year of manufacture: | 1980 |
| Total airframe hrs: | 1449 hours |
| Engine model: | LYCOMING O-320-D2J |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Saint Helena, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Napa, CA (KAPC) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING A LOCAL PERSONAL FLT, THE PLT SAID THE 'ENGINE BEGAN TO RUN ROUGH A SHAKE VIOLENTLY.' WITH NOT ENOUGH POWER TO MAINTAIN ALTITUDE, THE PLT ELECTED TO MAKE AN EMERGENCY LANDING IN A FIELD, HOWEVER, OVERRAN THE FIELD AFTER TOUCHDOWN AND COLLIDED WITH GROUND OBSTRUCTIONS IN A VINEYARD. EXAMINATION OF THE ENGINE REVEALED STUCK INTAKE AND EXHAUST VALVES IN THE NUMBER ONE CYLINDER. IN ADDITION, THE EXHAUST VALVE PUSHROD WAS FOUND SEPARATED IN THE MIDDLE WITH SEVERE BATTERING PEENING NOTED TO THE BROKEN ENDS OF THE PUSHROD.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB LAX85LA351
History of this aircraft
Other occurrences involving this aircraft
| 10 July 1987 | N5259K | Private | 0 | Grass Valley, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Mar-2024 16:41 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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