NTSB CAROL · Event
Event WPR13CA168
Aircraft involved
Probable cause & findings
The pilot's failure to maintain directional control during the landing roll.
Factual narrative
The pilot reported that following a normal landing, the tail wheel equipped airplane began to drift to the right and he applied control inputs to counteract the drift. The airplane then started to veer to the left and he applied right rudder to stop the movement, however his foot became entangled in the rudder pedal and the airplane ground looped. Subsequently, the right main landing gear collapsed which resulted in substantial damage to the forward area of the fuselage. The pilot reported that there were no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot reported that after a normal landing, the tailwheel-equipped airplane began to drift right and that he applied control inputs to counteract the drift. The airplane then started to veer to the left, and the pilot applied right rudder to stop that movement; however, his foot became entangled in the rudder pedal, and the airplane ground looped. Subsequently, the right main landing gear collapsed, which resulted in substantial damage to the fuselage. The pilot reported that there were no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
Verbatim from NTSB's published report. Source file
NTSB_2013_WPR13CA168.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
What the literature says.
Academic papers and agency reports matching this event's aircraft type. Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2019 · Abstract
Wetting Angle and Surface Tension of Germanium Melts on Different Substrate Materials
The sessile drop technique has been used to measure the wetting angle and the surface tension of molten germanium (Ge) on various substrate materials.
- NASA NTRS 2019 · Abstract
Determination of the Wetting Angle of Germanium and Germanium-Silicon Melts on Different Substrate Materials
During Bridgman growth of semiconductors detachment of the crystal and the melt meniscus has occasionally been observed, mainly under microgravity (microg) conditions.
- NASA NTRS 2019 · Abstract
Contact Angles and Surface Tension of Germanium-Silicon Melts
Precise knowledge of material parameters is more and more important for improving crystal growth processes. Two important parameters are the contact (wetting) angle and the surface tension, determinin…
- arXiv 2019 · arXiv preprint
Heat and water vapor transfer in the wake of a falling ice sphere and its implication for secondary ice formation in clouds
We perform direct numerical simulations of the settling of an ice sphere in an ambient fluid accounting for heat and mass transfer with the aim of studying in a meteorological context the case of fall…
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