NTSB CAROL · Event
Event WPR19FA133
Aircraft involved
Probable cause & findings
The pilot’s exceedance of the airplane's critical angle of attack during the initial climb after takeoff, which resulted in an aerodynamic stall and spin.
Factual narrative
HISTORY OF FLIGHTOn May 6, 2019, at 0629 Pacific daylight time, a Just Aircraft LLC JA30 Superstol airplane, N825PW, was destroyed when it was involved in an accident near Chelan, Washington. The pilot sustained fatal injuries. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. A Lake Chelan Airport (S10), Chelan, Washington, airport surveillance camera captured the accident airplane departing from runway 20. As the airplane started to accelerate, the left main landing gear briefly lifted off the runway surface, then contacted the runway again. Shortly thereafter, the airplane became airborne, and entered a nose-high left turn. About 8 seconds after takeoff, the airplane's bank angle decreased; however, its left yaw increased, and the airplane began to descend. About 3 seconds later, the airplane banked to the left and entered a nose-low attitude just before impact with the ground. WRECKAGE AND IMPACT INFORMATIONThe accident site was located about 550 ft from the approach end of runway 20 on a heading of 157°. The airplane impacted terrain in a vertical nose-down attitude. Most of the airplane was consumed by the postcrash fire. The left and right wings, horizontal stabilizers, elevators, vertical stabilizer, and rudder remained secure to their respective attach points. Flight control cable continuity was established from the control surfaces to the cockpit area. Examination of the engine and the airframe revealed no pre-accident anomalies that would have precluded normal operation. ADDITIONAL INFORMATIONAbout 10 months earlier, the airplane was substantially damaged when it impacted a dock while the pilot was landing on an airstrip next to a river (NTSB Accident No. GAA18CA443). A friend of the pilot reported that the accident flight was the first flight since the airplane had been repaired. MEDICAL AND PATHOLOGICAL INFORMATIONThe Chelan County Medical Examiner's Office performed an autopsy of the pilot. The autopsy report stated that the pilot's cause of death was inhalation of products of combustion and thermal injuries. The Federal Aviation Administration's Forensic Sciences Laboratory conducted toxicology tests on specimens from the pilot. The results were negative for all tests performed. The pilot was conducting a local flight. An airport surveillance camera captured the accident airplane departing from the runway and entering a nose high left turn. Shortly thereafter, the airplane's bank angle decreased, and its left yaw increased, and the airplane began to descend. A few seconds later, the airplane banked to the left, and entered a nose-low attitude just before impact with the ground. Examination of the engine and the airframe revealed no preaccident anomalies that would have precluded normal operation. It is likely that the pilot exceeded the airplane's critical angle of attack during the initial climb, which resulted in an inadvertent stall and spin at an altitude too low to recover. 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).
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Angle of attack-Not attained/maintained
- — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2019_WPR19FA133.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 or causal vocabulary (stall). 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 2026 · Conference Paper
Computational Analysis of Steady State Aerodynamics of Transonic Truss-Braced Wing Configuration in Deep Stall
This study presents a computational investigation of steady state aerodynamics of the Subsonic Ultra-Green Aircraft Research (SUGAR) Transonic Truss-Braced Wing (TTBW) configuration over a wide range …
- arXiv 2023 · arXiv preprint
Automating Bird Diverter Installation through Multi-Aerial Robots and Signal Temporal Logic Specifications
This paper tackles the task assignment and trajectory generation problem for bird diverter installation using a fleet of multi-rotors.
- arXiv 2023 · arXiv preprint
Variation of Critical Crystallization Pressure for the Formation of Square Ice in Graphene Nanocapillaries
Two-dimensional square ice in graphene nanocapillaries at room temperature is a fascinating phenomenon and has been confirmed experimentally.
- arXiv 2023 · arXiv preprint
Polycrystallinity enhances stress build-up around ice
Damage caused by freezing wet, porous materials is a widespread problem, but is hard to predict or control. Here, we show that polycrystallinity makes a great difference to the stress build-up process…
- arXiv 2022 · arXiv preprint
Enhanced Prediction of Three-dimensional Finite Iced Wing Separated Flow Near Stall
Icing on three-dimensional wings causes severe flow separation near stall. Standard improved delayed detached eddy simulation (IDDES) is unable to correctly predict the separating reattaching flow due…
- Embry-Riddle Scholarly Commons 2021 · Journal article (JAAER)
Analysis on the Negative Emotional, Physiological, and Cognitive Responses Elicited from of the Activation of a Stall Alarm
Failing to identify an aerodynamic stall can lead to the inability of an aircraft to sustain flight. To warn pilots of an impending or fully-developed stall, many aircraft have safety devices installe…
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