ASN Wikibase Occurrence # 135126
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| Date: | Sunday 25 October 2009 |
| Time: | 17:33 |
| Type: |  Bell 206 |
| Owner/operator: | Provine Helicopter Service, Inc. |
| Registration: | N57PH |
| MSN: | 2679 |
| Year of manufacture: | 1979 |
| Engine model: | Allison 250 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Eupora, MS -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Eupora, MS |
| Eupora, MS | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During an aerial application flight, the helicopter's engine lost power while flying about 50 feet above the ground. The pilot stated that the helicopter dropped straight down, and that the rotor stopped turning during the descent. The helicopter was substantially damaged during the impact sequence. A postaccident examination of the helicopter's fuel system revealed a brown contaminate, of a density greater than jet fuel. The contaminate was present in several airframe and engine fuel filters and on the engine fuel nozzle. Examination of the dual use truck that was used to service the helicopter with fuel and herbicide revealed that the fuel filter between the Jet-A fuel tank and the fuel delivery hose was also contaminated. A common trough that ran along the top of the fuel truck provided an area where any over flow of water used to fill the truck's herbicide tank could be introduced into the truck's Jet-A fuel tank through gaps in the fuel tank's cap seal.
Probable Cause: A loss of engine power due to fuel contamination of the helicopter’s fuel supply.
Accident investigation:
 |
|
Sources:
NTSB
Location
Images:
10/27/2009 at accident site
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 02-Dec-2017 17:07 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
| 18-Apr-2018 15:41 | rah206l3 | Updated [Phase, Photo, ] |
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