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ASN Wikibase Occurrence # 166715
Last updated: 12 January 2020
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Date:03-JUN-2014
Time:10:55
Type:Silhouette image of generic BE35 model; specific model in this crash may look slightly different
Beechcraft H35 Bonanza
Owner/operator:Private individual
Registration: N653T
C/n / msn: D-4998
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Near Monroe Regional Airport (KMLU), Monroe, LA -   United States of America
Phase: Approach
Nature:Test
Departure airport:Monroe, LA (MLU)
Destination airport:Monroe, LA (MLU)
Investigating agency: NTSB
Narrative:
The commercial pilot was conducting a maintenance test flight. According to Federal Aviation Administration audio files, the pilot reported to an air traffic controller that the airplane was experiencing an unspecified fuel problem. The engine then experienced a total loss of power, and the pilot conducted a forced landing, during which the airplane collided with a tree and then impacted a parking lot. A postaccident examination of the airframe, engine, and fuel system did not reveal any preimpact anomalies that would have precluded normal operation. A review of data obtained from the airplane's engine data monitoring system did not reveal any unusual engine readings before the loss of engine power.
At the accident site, fuel was drained from each wing tank and a fuel line leading to the engine; the fuel from the fuel line was orange. Testing of the orange fuel sample revealed the presence of silicon. The tank seals and lines were intact, and the source of the silicon could not be determined. No silicon nor any white powdery deposits (the expected combustion byproducts of silicon) were found on any of the engine components. The reason for the loss of engine power could not be determined.
Probable Cause: The loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20140602X60048&key=1
https://flightaware.com/resources/registration/N653T


Revision history:

Date/timeContributorUpdates
03-Jun-2014 17:06 harro Added
03-Jun-2014 23:25 Geno Updated [Time, Other fatalities, Location, Phase, Nature, Departure airport, Destination airport, Source, Embed code, Narrative]
25-Jun-2014 03:30 Geno Updated [Time, Source, Damage, Narrative]
21-Dec-2016 19:28 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
29-Nov-2017 15:03 ASN Update Bot Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Embed code, Narrative]

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