ASN Wikibase Occurrence # 357331
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| Date: | Wednesday 29 May 1996 |
| Time: | 10:30 LT |
| Type: |  Grumman G-164B Ag-Cat |
| Owner/operator: | Fountain Inc. |
| Registration: | N48559 |
| MSN: | 73B |
| Year of manufacture: | 1976 |
| Engine model: | P&W R-1340 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Moscow, ID -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | UNKNOWN |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that while conducting an agricultural aerial application flight, the windscreen suddenly became obscured by smoke and oil. Operating over hilly terrain with poor forward visibility through the windscreen, he attempted a forced landing on a ridge top. The airplane was substantially damaged in the forced landing. FAA inspectors who examined the airplane after the accident reported that they found an access plug missing from the front of the crankcase of the aircraft's Pratt & Whitney R-1340 radial engine.
Probable Cause: inflight loss of an unsecured access plug from the engine crankcase, which resulted in a loss of engine oil and a forced landing. Factors relating to the accident were: hilly terrain, and foreign material (engine oil) on the windscreen which limited forward visibility.
Accident investigation:
 |
|
Sources:
NTSB SEA96LA103
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 16:42 | ASN Update Bot | Added |
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