ASN Wikibase Occurrence # 365313
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| Date: | Tuesday 14 May 1991 |
| Time: | 16:10 LT |
| Type: |  Grumman G-164B Ag-Cat |
| Owner/operator: | Wagner Aviation |
| Registration: | N48658 |
| MSN: | 1258 |
| Total airframe hrs: | 7617 hours |
| Engine model: | P&W R1340AN1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Yuba City, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS CONDUCTING AN AERIAL APPLICATION FLIGHT. AS THE AIRPLANE NEARED THE COMPLETION OF A PROCEDURE TURNAROUND THE AIRPLANE BEGAN TO SHAKE VIOLENTLY. THE PILOT REDUCED ENGINE POWER AND LANDED IN A RICE FIELD. DURING THE LANDING ROLL THE PILOT OBSERVED A BERM AND APPLIED FULL BRAKING AND THE AIRPLANE NOSED OVER ONTO ITS BACK. EXAMINATION OF THE PROPELLER DISCLOSED THAT A 6 INCH SECTION OF THE TIP END OF ONE BLADE SEPARATED. THE FRACTURED AREA DISPLAYED FATIGUE STRIATION SIGNATURES.
Probable Cause: FATIGUE IN THE PROPELLER BLADE WHICH LED TO ITS ULTIMATE FAILURE. FACTORS RELATING TO THIS ACCIDENT WERE THE SOFT TERRAIN CONDITIONS ON WHICH THE AIRPLANE LANDED AND A BERM ACROSS THE AIRPLANE'S GROUND PATH.
Accident investigation:
 |
|
Sources:
NTSB LAX91LA214
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 08:53 | ASN Update Bot | Added |
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