ASN Wikibase Occurrence # 298708
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| Date: | Tuesday 11 July 2000 |
| Time: | 09:30 LT |
| Type: |  Grumman G-164A |
| Owner/operator: | Williams Ag Service, Inc. |
| Registration: | N897X |
| MSN: | 419 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 12245 hours |
| Engine model: | P&W R-1340-AN1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | GRIDLEY, California -
 United States of America
|
| Phase: | Unknown |
| Nature: | Agricultural |
| Departure airport: | BIGGS , CA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While maneuvering during an aerial application flight, the pilot heard an unusual engine noise, experienced a loss of engine oil pressure, observed smoke, and lost partial power. The pilot made a precautionary landing on a nearby field road. During rollout, the airplane collided with a dirt berm. An inspection of the engine revealed its No. 2 cylinder exhaust valve head had separated and it broke the cylinder. The engine's total time was estimated at 9,300 hours, and it had been operated about 708.8 hours since last receiving a major overhaul.
Probable Cause: A partial loss of engine power due to the failure of an exhaust valve during an aerial application flight.
Accident investigation:
 |
|
Sources:
NTSB LAX00LA261
History of this aircraft
Other occurrences involving this aircraft
| 18 July 1988 | N677U | Thomas Beeson | 0 | Cape Girardeau, IL | |
sub |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 21:43 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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