Accident Aeronca 7FC Champion N9870B,
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ASN Wikibase Occurrence # 284534
 
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Date:Wednesday 25 July 2007
Time:15:00 LT
Type:Silhouette image of generic CH7A model; specific model in this crash may look slightly different    
Aeronca 7FC Champion
Owner/operator:
Registration: N9870B
MSN: FC-193
Total airframe hrs:3778 hours
Engine model:Continental C-85-12
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Kirbyville, Texas -   United States of America
Phase: Unknown
Nature:Private
Departure airport:KIRBYVILLE, TX (T12)
Destination airport:BEAUMONT/PORT A, TX
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot lost control of airplane when the steering arm from the tailwheel assembly failed during the initial takeoff roll. The 20,000-hours airline transport rated pilot reported that about 250-feet along the takeoff roll, when the airplane was accelerating through 40 to 45 mph, the airplane started to pull to the right and his full left rudder input was unable maintain directional control. The 2,600-feet long by 80-foot wide grass airstrip featured a 4 to 5 foot deep ditch along the right side of the airstrip. The pilot added that he attempted to get airborne prematurely and the airplane was able to clear the ditch; however, after clearing the ditch, the right wing became entangled in some tall grass and airplane subsequently impacted the ground. The vintage airplane came to rest in an upright position and the pilot and passenger exited the airplane unassisted. An examination of the airplane revealed that the fuselage sustained structural damage. A detailed examination of the tailwheel assembly confirmed that the steering arm was completely fractured. The wind at the time of the accident was reported as calm. The pilot had accumulated approximately 30 hours in the same make and model.

Probable Cause: The pilot's inability to maintain directional control during takeoff roll as result of the failure of the airplane's tailwheel's steering arm.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: DFW07CA177
Status: Investigation completed
Duration: 1 month
Download report: Final report

Sources:

NTSB DFW07CA177

Revision history:

Date/timeContributorUpdates
30-Sep-2022 18:10 ASN Update Bot Added

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