ASN Wikibase Occurrence # 158025
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| Date: | Monday 5 August 2013 |
| Time: | 10:15 |
| Type: |  Air Tractor AT-400 |
| Owner/operator: | Terhune Flying Service, Inc |
| Registration: | N3159B |
| MSN: | 400-0462 |
| Year of manufacture: | 1982 |
| Total airframe hrs: | 7000 hours |
| Engine model: | Pratt & Whitney PT6A-15AG |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | SW of Bryan's Corner, OK -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Perryton, TX |
| Perryton, TX | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was en route from a private airstrip to a nearby field to apply herbicide and flying about 150 feet agl, when the airplane struck a 197-foot meteorological tower (MET) about 35 feet from its top. A survey of the accident scene revealed that the sun was ahead of and to the right of the airplane's flight path and likely obstructed the pilot's ability to see the tower. An examination of the airplane did not reveal any preimpact anomalies.
The NTSB recently concluded that, due to their rapid construction and lack of conspicuity, METs pose a threat to pilots who conduct low-altitude operations and recommended required registration, marking, and—where feasible—lighting of these structures in order to aid pilots in avoiding them.
Probable Cause: The pilot's failure maintain clearance from a meteorological tower while en route at a low altitude. Contributing to the accident was the sun's glare.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=3159B
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Aug-2013 00:39 | Geno | Added |
| 06-Aug-2013 16:14 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source, Damage, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 08:59 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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