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ASN Wikibase Occurrence # 179857
Last updated: 10 December 2020
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Date:24-SEP-2015
Time:10:40
Type:Silhouette image of generic B06 model; specific model in this crash may look slightly different
Bell 206B JetRanger II
Owner/operator:Chem-air Llc
Registration: N648CA
C/n / msn: 3626
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
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
Destination airport:Woodville, TX
Investigating agency: NTSB
Narrative:
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 helicopterís 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 pilotís inadequate preflight inspection of the fuel tanks and the operatorís inadequate inspection of the fuel supply truck that did not detect water contamination.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20150925X44635&key=1
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=648CA


Revision history:

Date/timeContributorUpdates
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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