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ASN Wikibase Occurrence # 211955
Last updated: 9 January 2021
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Type:Silhouette image of generic BE58 model; specific model in this crash may look slightly different
Beechcraft 58 Baron
Registration: N190RS
C/n / msn: TH-804
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:Baton Rouge Metropolitan Airport (KBTR), Baton Rouge, LA -   United States of America
Phase: En route
Departure airport:Baton Rouge Metropolitan Airport, LA (BTR/KBTR)
Destination airport:Jonesboro Airport, AR (JBR/KJBR)
Investigating agency: NTSB
The commercial pilot reported that, during initial climb after takeoff, she heard a “loud bang” and saw flames coming from the trailing edge of the right wing. Subsequently, she was able to conduct an uneventful emergency landing.
The fire was located outboard of the right engine near the wingtip and auxiliary fuel tank. Black soot was visible near the right wingtip navigation and anticollision lights. Black soot and blue fuel stains were found near the fuel vents located on the bottom side of the wing under the right wingtip anticollision light. Blue fuel stains were also found under the right wing near the main and auxiliary fuel tanks and inside the wing cavity near the electrical wiring for the right wing navigation light. The examination of the right wing revealed that the wiring for the right wing anticollision light was crimped together with "handshake" connectors and then wrapped with electrical tape. The wiring was not properly insulated. The source of the fuel leak could not be determined due substantial damage to the right wing caused by the fire. 
About 6 1/2 years before the accident, the airplane manufacturer issued a Safety Communique titled, "Outboard Wing Fire Potential Due to Fuel Leaks and Electrical Wire Chafing." The communique advised owners and operators of a potential safety issue concerning loose wiring and fuel fumes in the structural areas of the airplane. The communique reminded owners and operators to maintain the fuel and electrical systems in accordance with the maintenance manuals and to ensure there were no visible fuel leaks around the vents and sump drains. It further stated that no fuel leaks or staining should be observed around the vents and sump drains during preflight inspections.
Based on the postaccident examination, the fuel leak found on the bottom of the right wing might have been a preexisting condition; however, the pilot did not remember seeing any fuel staining during the preflight. The evidence further suggests that the initial ignition occurred behind the anticollision light in the right wingtip as a result of an improper repair, during which the anticollision light wiring was not properly insulated, which resulted in the ignition of combustible fuel vapors in the outboard section of the right wing.

Probable Cause: The improper insulation of the anticollision light wiring, which resulted in the ignition of combustible fuel vapors in the outboard section of the right wing; the source of the fuel leak could not be determined due to fire damage.  



FAA register:

Accident investigation:
Investigating agency: NTSB
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report



Photo: FAA

Revision history:

09-Jun-2018 01:59 Geno Added
09-Jun-2018 12:22 Captain Adam Updated [Aircraft type]
09-Jun-2018 19:13 Iceman 29 Updated [Time, Aircraft type, Embed code, Damage]
10-Jun-2018 08:55 Copi Updated [Aircraft type, Source, Embed code]
11-Jun-2018 20:13 Geno Updated [Aircraft type, Registration, Cn, Operator, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative]
22-Dec-2019 14:16 ASN Update Bot Updated [Time, Operator, Departure airport, Destination airport, Source, Embed code, Damage, Narrative, Accident report, ]
22-Dec-2019 20:17 harro Updated [Departure airport, Destination airport, Source, Embed code, Narrative, Photo]

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