ASN Wikibase Occurrence # 133742
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| Date: | Monday 27 April 1998 |
| Time: | 07:15 LT |
| Type: |  Grumman G-164D Ag-Cat |
| Owner/operator: | Tolle's Flying Service |
| Registration: | N31785 |
| MSN: | 9D |
| Total airframe hrs: | 5906 hours |
| Engine model: | P&W PT6=34 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Robbins, CA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | , CA (NONE) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a low altitude aerial application run, the aircraft rudder post broke resulting in a partial loss of flight control. The airplane then drug a wing tip and cartwheeled into the ground. During a postflight inspection of the rudder assembly, it was noted that the rudder post was extensively oxidized (rusted) in the area of the break point. There were also rust deposits on approximately 1/3 of the circumference of the parting surfaces.
Probable Cause: Aircraft rudder post failure due to extensive rusting which resulted in a partial loss of aircraft control.
Accident investigation:
 |
|
Sources:
NTSB LAX98LA144
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Apr-2024 13:33 | ASN Update Bot | Updated [Time, Aircraft type, Other fatalities, Departure airport, Source, Narrative, Accident report] |
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