Accident Aeronca 7BCM N10527,
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ASN Wikibase Occurrence # 131694
 
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Date:Sunday 2 June 1991
Time:17:45 LT
Type:Silhouette image of generic CH7A model; specific model in this crash may look slightly different    
Aeronca 7BCM
Owner/operator:Robert W. Epp
Registration: N10527
MSN: 48-468
Engine model:CONTINENTAL C-90-12
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:St. Xavier, MT -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Fort Smith, MT (SU7)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT OF AN AERONCA 7BCM BAILED-OUT AT LESS THAN 1000 FEET AGL WHEN HIS AIRCRAFT CAUGHT FIRE IN FLIGHT. HE STATED THAT APPROXIMATELY FIVE MINUTES PRIOR TO THE START OF THE FIRE HE HAD OVERFILLED THE FUSELAGE HEADER TANK WHILE TRANSFERRING FUEL FROM THE WING TANKS. THIS CAUSED FUEL TO SPILL OUT OF THE TOP OF THE TANK AND SPLASH ON THE WINDSCREEN. IMMEDIATELY BEFORE THE FIRE THE PILOT WAS OBSERVED MAKING A NUMBER OF STEEP 'WING-OVER' MANEUVERS AND A STEEP, DESCENDING, SLIPPING SPIRAL. THE FIRE SPREAD AFT INTO THE PILOT AREA AFTER FIRST BEING NOTICED AT THE FIREWALL.

Probable Cause: THE PILOT'S IMPROPER USE OF THE FUEL SYSTEM, AND THE OVERFILLING OF THE FUEL TANK. CONTRIBUTING TO THE ACCIDENT WAS: AEROBATICS PERFORMED, THE PILOT'S INATTENTION AND THE DESIGN OF THE FUEL SYSTEM.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA91LA123
Status: Investigation completed
Duration: 1 year and 11 months
Download report: Final report

Sources:

NTSB SEA91LA123

Location

Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
21-Apr-2024 06:08 ASN Update Bot Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report]

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