ASN Wikibase Occurrence # 223581
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| Date: | Thursday 28 March 2019 |
| Time: | 14:53 |
| Type: |  Rockwell S-2R-T Turbo Thrush |
| Owner/operator: | Private |
| Registration: | N4250X |
| MSN: | 2030R |
| Year of manufacture: | 1974 |
| Total airframe hrs: | 19154 hours |
| Engine model: | GE Aviation M601E-11 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Umatilla County near Hermiston, OR -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Hermiston, OR (HRI) |
| Hermiston, OR (HRI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, after completing an agricultural application flight, he returned to the airport. He added that, on final, he added flaps and became distracted by a spray handle that became open due to vibration. He took his hand off the control stick to close the spray handle, but because the airplane was improperly trimmed, the airplane pitched down severely. He pitched the nose up to about level, but the main landing gear struck the ground. The airplane bounced and impacted an irrigation system, the right main landing gear separated, and the airplane spun around before coming to rest.
The airplane sustained substantial damage to both wings, the fuselage, and the empennage.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
Probable Cause: The pilot's distraction due to a spray handle opening and his improper pitch trim setting during final approach, which resulted in an excessive pitchdown when he took his hand off the controls to close the handle.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=4250X
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Mar-2019 00:53 | Geno | Added |
| 29-Mar-2019 01:02 | Geno | Updated [Source] |
| 29-Mar-2019 02:38 | RobertMB | Updated [Aircraft type] |
| 29-Mar-2019 15:01 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Source, Damage, Narrative] |
| 29-Mar-2019 15:38 | Geno | Updated [Departure airport, Destination airport, Source, Damage] |
| 13-Nov-2019 08:19 | ASN Update Bot | Updated [Time, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
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