ASN Wikibase Occurrence # 353329
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| Date: | Wednesday 19 May 1999 |
| Time: | 11:45 LT |
| Type: |  Grumman G-164B Ag-Cat |
| Owner/operator: | Lockwood Aviation Lp |
| Registration: | N6861K |
| MSN: | 506B |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 4054 hours |
| Engine model: | P&W R-1340-AN-1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Okanogan, WA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Okanogan, WA |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While maneuvering over an orchard that he was preparing to spray, the pilot flew through a sudden downdraft which pushed him up against his seat belt and shoulder straps. About two seconds later, the engine quit and could not be started. The pilot elected to attempt the forced landing in an alfalfa field that was straight ahead of him. The aircraft initially touched down in the alfalfa, but bounced back into the air and touched down a second time in an area that had been freshly plowed. The main gear sank into the soft dirt and the aircraft nosed over. During the post-accident engine inspection, the engine would not start until the carburetor had been struck a couple of time with a hammer. After the carburetor was jarred by the hammer, the engine started and was able to be test run. Disassembly of the carburetor did not reveal whether the float had stuck, an orifice had been temporarily blocked, or whether there had been some other malfunction.
Probable Cause: A malfunctioning carburetor. Factors include a downdraft, and the soft dirt in a newly plowed field.
Accident investigation:
 |
|
Sources:
NTSB SEA99LA067
History of this aircraft
Other occurrences involving this aircraft
| 20 June 2012 | N6861K | Private | 0 | Townsend Ranch field, Okanogan, WA | |
sub |
| Collision with pole or wires | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Mar-2024 12:48 | ASN Update Bot | Added |
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