ASN Wikibase Occurrence # 176084
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| Date: | Sunday 10 May 2015 |
| Time: | 09:11 |
| Type: |  Air Tractor AT-502B |
| Owner/operator: | Jordan Air, Inc. |
| Registration: | N879JA |
| MSN: | 502B-2879 |
| Year of manufacture: | 2013 |
| Engine model: | Pratt & Whitney Canada PT6A-34AG |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Dighton Airport (K65), Dighton, KS -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Ferry/positioning |
| Departure airport: | Dighton, KS (K65) |
| Dodge City, KS (DDC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot stated that he did not observe any anomalies during his preflight inspection or during his before-takeoff engine run-up. The pilot was departing on a positioning flight when the engine lost partial power during initial climb. The pilot's corrective actions did not restore full engine power, so he made a forced landing to a nearby muddy field. The pilot reported that, after the accident, the engine continued to run with a gas generator speed of about 35% and that he cut fuel flow to the engine to shut it down.
Postaccident engine examination revealed no evidence of a mechanical malfunction that would have precluded normal operation; however, an examination of the fuel system revealed water contamination in multiple tanks and filters. Laboratory testing showed that the observed water contamination exceeded the allowable limits for aviation turbine fuel. Given the amount of water contamination observed after the accident, it is likely the pilot did not adequately check the fuel condition at both wing fuel tanks, header fuel tank sump, and the fuel valve sump as required by the airplane flight manual's Preflight checklist.
Probable Cause: The pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss of engine power during initial climb.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=879JA
History of this aircraft
Other occurrences involving this aircraft
| 16 June 2020 | N879JA | Atmore, Escambia County, AL | |
sub | ||
| Loss of control | ||||||
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-May-2015 19:59 | Geno | Added |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 11-Nov-2018 08:36 | ASN Update Bot | Updated [Operator, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
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