Runway excursion Accident Aeronca 7BCM N1127N,
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ASN Wikibase Occurrence # 291348
 
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Date:Wednesday 8 June 2016
Time:13:30 LT
Type:Silhouette image of generic CH7A model; specific model in this crash may look slightly different    
Aeronca 7BCM
Owner/operator:
Registration: N1127N
MSN: 7BCM-88
Year of manufacture:1946
Total airframe hrs:1682 hours
Engine model:Lycoming O-320-A2B
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Rochester, Wisconsin -   United States of America
Phase: Landing
Nature:Private
Departure airport:BROOKLYN, WI (7WI5)
Destination airport:Rochester, WI (96C)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot of the tailwheel equipped airplane reported that during the landing touchdown in quartering tailwind conditions the airplane veered to the right, he corrected with full left rudder, and advanced the throttle to full forward. The pilot further reported that the increase in power appeared to exacerbate the situation, so he reduced the power, and applied left brake to arrest the veer.

According to the pilot the airplane continued to veer to the right, the right main landing gear lifted off the runway, and the left wing impacted the ground. The pilot further reported that the airplane veered off the runway to the right, began to porpoise due to the rough terrain, the left main landing gear collapsed, and the nose of the airplane impacted the ground.

The airplane sustained substantial damage to left wing.

According to the pilot, there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

A review of recorded data from the automated weather observation station located about 4 miles south west of the airport, revealed that about 15 minutes before the accident the wind was 280 degrees true at 6 knots. A further review revealed that, about 5 minutes after the accident the wind was 300 degrees true at 12 knots, and wind gust 15 knots. The airplane landed on runway 19.

Probable Cause: The pilot's failure to maintain directional control during the landing, which resulted in a runway excursion, left main landing gear collapse, and a nose down. Contributing to the accident was the wind shift.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: GAA16CA292
Status: Investigation completed
Duration: 3 months
Download report: Final report

Sources:

NTSB GAA16CA292

Location

Revision history:

Date/timeContributorUpdates
07-Oct-2022 12:49 ASN Update Bot Added

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