ASN Wikibase Occurrence # 171811
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| Date: | Sunday 30 November 2014 |
| Time: | 01:15 |
| Type: |  Air Tractor 502B |
| Owner/operator: | TRI ROTOR LLC |
| Registration: | N946TR |
| MSN: | 502B-2946 |
| Year of manufacture: | 2014 |
| Total airframe hrs: | 502 hours |
| Engine model: | Pratt & Whitney PT6A-34AG |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Yuma County, SE of Somerton, AZ -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Somerton, AZ (na) |
| Somerton, AZ (na) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was performing a water calibration flight at the end of a day of agricultural application. After spraying the field with water, the airplane was scheduled to return to the airport. Another pilot flying in the area reported that he saw a flash, and, when he flew in the direction of the flash, he saw the accident airplane engulfed in flames. There were no witnesses to the accident, nor did the pilot communicate distress before the impact. No obstructions were observed in the vicinity of the accident site.
Postaccident examination of the wreckage revealed damage consistent with a near-vertical impact with terrain and high forward impact forces. Examination of the airframe and engine revealed no evidence of preimpact mechanical malfunctions or failures that would have precluded normal operation, and the reason for the loss of control was not determined.
Probable Cause: A loss of airplane control for reasons that could not be determined based on available evidence.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Dec-2014 18:47 | Geno | Added |
| 10-Dec-2014 18:11 | Geno | Updated [Time, Departure airport, Destination airport, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 19-Aug-2017 13:53 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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