Accident Air Tractor AT-402B N712GS,
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ASN Wikibase Occurrence # 284645
 
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Date:Saturday 7 July 2007
Time:00:20 LT
Type:Silhouette image of generic AT3T model; specific model in this crash may look slightly different    
Air Tractor AT-402B
Owner/operator:Private
Registration: N712GS
MSN: 402B-1186
Year of manufacture:2007
Total airframe hrs:52 hours
Engine model:Pratt & Whitney PT6A-11AG
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Eldorado, Texas -   United States of America
Phase: Unknown
Nature:Agricultural
Departure airport:Eldorado , TX
Destination airport:Eldorado , TX
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The 30,000-hour commercial pilot reported that the turbine-powered agricultural airplane made a hard landing after experiencing a loss of engine power. The pilot added that he was performing the last aerial application flight of the day when the engine lost power. The pilot further stated that the tailwheel equipped airplane had been refueled from a 1,000 gallon fuel tank located at his property. He added that the fuel storage tank was contaminated with water due to the torrential rain experienced this season. The rain water entered the fuel storage tank through a worn-out seal on the tank's refueling port. The airplane came to rest on a rough and uneven clearing located about 3 miles from the point of departure. The landing gear separated from the aircraft upon landing and the fuselage sustained structural damage to the underside of the aircraft. The pilot was not injured during the mishap. A post accident examination of the airplane conducted by a Federal Aviation Administration inspector revealed that water contamination was present in the aircraft's engine fuel filter.



Probable Cause: The loss of engine power as result of water contamination due to a faulty seal on the refuel tank port. A contributing factor was t he lack of suitable terrain for the forced landing.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: DFW07CA151
Status: Investigation completed
Duration: 1 month
Download report: Final report

Sources:

NTSB DFW07CA151

Revision history:

Date/timeContributorUpdates
30-Sep-2022 19:47 ASN Update Bot Added

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