ASN Wikibase Occurrence # 22691
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| Date: | Thursday 4 September 2008 |
| Time: | 18:45 |
| Type: |  Weatherly 620B |
| Owner/operator: | Quality Air Applicators |
| Registration: | N2036U |
| MSN: | 1596 |
| Total airframe hrs: | 2874 hours |
| Engine model: | Pratt & Whitney R985AN-14B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Atkinson, NE -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | O'Neill Municip, NE (ONL) |
| O'Neill Municip, NE (ONL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot was performing an aerial application pass when the engine suddenly stopped running. The pilot landed the airplane in a field and the airplane nosed over during the landing, bending the engine firewall and substantially damaging both wings. The pilot was uninjured. The engine had two cracked cylinders and had been stored outside and exposed to weather elements prior to being inspected. Inspection of the carburetor revealed corrosion consistent with water exposure on internal components, including the finger filter. Inspection of the fuel pump inlet fitting showed evidence of rust on the blades and inlet portion of the fitting. The inlet fuel fitting was present and the inlet fuel line was completely separated at the inlet fitting. The rotor assembly was removed and there was evidence of water damage, rust deposits in the pump interior, liner, lower journal, and bearing. The rust deposits were excessive and impeded proper functioning.
Probable Cause: The total loss of engine power due to water contamination and corrosion within the fuel system at an undetermined time and from an undetermined source.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Sep-2008 12:01 | harro | Updated |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 03-Dec-2017 12:06 | ASN Update Bot | Updated [Operator, Total fatalities, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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