ASN Wikibase Occurrence # 189162
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| Date: | Monday 8 August 2016 |
| Time: | 14:15 |
| Type: |  Air Tractor AT-502B |
| Owner/operator: | Burnette Aviation Inc |
| Registration: | N634LA |
| MSN: | 502B-0634 |
| Year of manufacture: | 2001 |
| Total airframe hrs: | 6257 hours |
| Engine model: | P&W Canada PT6A Series |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Cross County near Hickory Ridge, AR -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Hickory Ridge, AR |
| Hickory Ridge, AR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During an aerial application flight, the airplane collided with a transmission line during a turn. The line became entangled with the airplane, and the airplane collided with terrain. Examination of the airplane did not reveal any preimpact anomalies that would have precluded normal operation of the airplane.
The pilot's medical certificate had expired several months before the accident. The pilot had been diagnosed with depression, diabetes mellitus, diabetes insipidus, hypogonadism, hypothyroidism, and hypoadrenalism; however, he had not reported any of these conditions or the medications used to treat them to the FAA. It is unlikely that the pilot's diabetes insipidus, hypogonadism, hypothyroidism, or hypoadrenalism or their treatments contributed to the accident. However, his poorly controlled diabetes mellitus could have led to high blood sugar, which can result in blurred vision, or low blood sugar, which can slow psychomotor functioning Additionally, the pilot was known to have peripheral neuropathy with decreased sensation in his feet and a foot drop, which could have impaired his physical ability to use the rudder pedals. It could not be determined if the pilot's diabetes mellitus contributed to the accident. Further, the status of the pilot's psychiatric disease, including the severity of symptoms from his depression and any other psychiatric symptoms, around the time of the accident is unknown. Therefore, whether the pilot's psychiatric disease contributed to the accident could not be determined.
Probable Cause: The pilot's failure to maintain clearance from a transmission line while maneuvering at low altitude.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?nNumberTxt=634LA
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Aug-2016 23:16 | Geno | Added |
| 09-Aug-2016 17:52 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source] |
| 10-Aug-2016 06:34 | Anon. | Updated [Damage] |
| 01-Jun-2018 09:56 | ASN Update Bot | Updated [Time, Departure airport, Destination airport, Source, Damage, Narrative] |
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