Runway excursion Accident Rockwell Commander 112B N377SB,
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ASN Wikibase Occurrence # 233975
 
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Date:Saturday 15 February 2020
Time:14:38 LT
Type:Silhouette image of generic AC11 model; specific model in this crash may look slightly different    
Rockwell Commander 112B
Owner/operator:Private
Registration: N377SB
MSN: 526
Year of manufacture:1977
Total airframe hrs:2996 hours
Engine model:Lycoming IO-360-C1D6
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Knoxville Downtown Island Airport (KDKX), Knox County, TN -   United States of America
Phase: Landing
Nature:Private
Departure airport:Louisville-Bowman Field, KY (LOU/KLOU)
Destination airport:Knoxville, TN (DKX)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot flew a normal approach, landed about 1/3 down the runway, and applied the brakes equally a few seconds after touchdown. About 1 or 2 seconds after the airplane began to slow, he felt, "a very aggressive turn to the left," which he described as if the airplane had suddenly encountered a 20 knot crosswind. He applied right rudder input, but the airplane continued left, departed the runway onto grass, and impacted a ditch coming to rest with the nose landing gear collapsed. The left main landing gear tire was found deflated and flat spotted. Postaccident examination of the airplane's brake system revealed no evidence of preimpact failure or malfunction. The reason for the flat-spotted tire could not be determined.

Probable Cause: A loss of directional control during landing following deflation of a flat-spotted tire for reasons that could not be determined based on available evidence.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA20LA109
Status: Investigation completed
Duration: 2 years 1 month
Download report: Final report

Sources:

NTSB ERA20LA109

Location

Revision history:

Date/timeContributorUpdates
14-Mar-2020 12:50 Captain Adam Added
16-Jun-2021 07:09 aaronwk Updated [Source]
01-Jul-2022 14:36 ASN Update Bot Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report]

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