ASN Wikibase Occurrence # 179857
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| Date: | Thursday 24 September 2015 |
| Time: | 10:40 |
| Type: |  Bell 206B JetRanger II |
| Owner/operator: | Chem-air Llc |
| Registration: | N648CA |
| MSN: | 3626 |
| Year of manufacture: | 1982 |
| Total airframe hrs: | 15907 hours |
| Engine model: | Allison 250-C20 SER |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tyler County, W of Woodville, TX -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Woodville, TX |
| Woodville, TX | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that the helicopter was filled with 80 gallons of herbicide and about 20 gallons of fuel before departure. He then departed from the support fuel truck and made a climbing right turn, during which the engine lost power. The pilot lowered the helicopter’s nose in an attempt to regain rotor rpm; however, the helicopter did not have sufficient altitude to regain rotor rpm, and it subsequently impacted terrain.
A postaccident examination of the airframe and engine revealed water contamination throughout the fuel system. Fuel samples taken from the support fuel truck also contained water contamination. The loss of engine power is consistent with water contamination in the fuel system.
Probable Cause: The loss of engine power due to water contamination in the fuel system. Contributing to the accident were the pilot’s inadequate preflight inspection of the fuel tanks and the operator’s inadequate inspection of the fuel supply truck that did not detect water contamination.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=648CA
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Sep-2015 01:28 | Geno | Added |
| 25-Sep-2015 01:29 | Geno | Updated [Aircraft type] |
| 25-Sep-2015 07:03 | Anon. | Updated [Damage] |
| 22-Sep-2016 11:57 | Aerossurance | Updated [Location, Narrative] |
| 22-Sep-2016 11:58 | Aerossurance | Updated [Aircraft type] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 15:26 | ASN Update Bot | Updated [Operator, Departure airport, Destination airport, Source, Narrative] |
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