Runway excursion Accident Thorp T-18-C N118CK,
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ASN Wikibase Occurrence # 287145
 
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Date:Saturday 28 February 2009
Time:16:10 LT
Type:Silhouette image of generic T18 model; specific model in this crash may look slightly different    
Thorp T-18-C
Owner/operator:Private
Registration: N118CK
MSN: 1275
Total airframe hrs:996 hours
Engine model:Lycoming O-320-E2D
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Palm Springs, California -   United States of America
Phase: Landing
Nature:Private
Departure airport:Santa Barbara Municipal Airport, CA (SBA/KSBA)
Destination airport:Palm Springs International Airport, CA (PSP/KPSP)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot of the tailwheel-equipped experimental airplane had just touched down for a full-stop landing when the airplane started veering to the left. Although the pilot applied rudder and brake inputs to correct the airplane's alignment, the airplane did not respond. The pilot then added power to help correct the veering, but the airplane departed the left side of the runway and impacted a runway/taxiway sign. A postaccident inspection of the tubular steel left gear leg revealed that it had partially failed along a corroded weld line, and had bent backwards from its normal position. Corrosion/rust was present on about one inch of the fracture face, and along a wider area of the interior wall of the gear leg adjacent to the fracture. The fracture itself continued around about 70 percent of the circumference of the tubular leg.

Probable Cause: A loss of directional control due to the fatigue failure of a tubular steel gear leg along a corroded weld line.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: WPR09CA134
Status: Investigation completed
Duration: 3 months
Download report: Final report

Sources:

NTSB WPR09CA134

History of this aircraft

Other occurrences involving this aircraft
1 March 2009 N118CK private Palm Springs, CA sub

Location

Revision history:

Date/timeContributorUpdates
04-Oct-2022 07:42 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

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