CEN23LA128
2023-03-10 · La Veta, Colorado, United States · Minor · 1 aircraft · Status: Completed
Airport 07V
Current FAA registration · N969WD
- Make / Model
- ZENITH ZODIAC 601 XL
- Year of manufacture
- 2005 · 18 years old at event
- Engine
- ROTAX SEE BOMBADIER
- Seats / Engines
- 2 seats · 1 engine
- Last airworthiness date
- 20051001
- ADS-B equipped
- Yes — Mode-S AD7F8D
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s decision to fly the airplane in which he had no experience in strong, gusting wind, which resulted his failure to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack and a subsequent aerodynamic stall.
Factual narrative
On March 10, 2023, about 1045 mountain standard time, a Zenith Zodiac 601XL airplane, N969WD, was substantially damaged when it was involved in an accident near Cuchara Valley Airport (07V), La Veta, Colorado. The pilot and passenger received minor injuries. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. The pilot reported that he had just purchased the airplane and was in the process of flying the airplane to Texas. The pilot did not have any flight time in the accident make and model of airplane. He reported that the airplane was configured with 4 fuel tanks consisting of 2 tanks in each wing. The outboard fuel tanks were empty due to weight and balance considerations. The inboard tanks were filled before the flight and the right inboard fuel tank was selected. The pilot reported that, shortly after takeoff from runway 24 and when the airplane was about 400 to 500 ft agl, the airplane’s engine lost all power, and he placed the airplane in a glide. When the airplane was about 100 ft agl, the airplane stalled and impacted the ground and came to rest inverted. The fuselage and wings sustained substantial damage. The previous owner who had just sold the airplane to the pilot was present when the accident happened. He said that he did not believe the accident was the result of a loss of engine power and that the wind at the time was about 35 to 40 knots with gusts. He tried to persuade the pilot to delay taking the airplane until another day when wind was more favorable but said the pilot and his passenger were determined to leave that day. They performed a runup to 4,000 rpm, checked the ignitions, and all temperatures and pressures were normal. The pilot and passenger then took off. When the airplane was about 400 ft agl, it looked like the airplane was getting bounced around by turbulence and was going side to side. The airplane then stalled and went into the ground. The previous owner was about ¼ mile away and could not hear engine sounds due to the wind. The airplane remained at the accident site until a postaccident examination was performed, which included several engine runs at idle speeds. The engine runs were limited to idle speeds because the airplane’s wooden propeller had splintered, and the engine was run without a propeller installed. The postaccident examination and engine run did not reveal any anomalies that would have precluded normal operation. The pilot reported that the airplane’s engine lost all power shortly after takeoff at an altitude of 400 to 500 above ground level (agl). The airplane then entered an aerodynamic stall, descended, and impacted the ground before coming to rest inverted. The pilot had just purchased the airplane and did not have any flight time in the accident make and model airplane. The previous owner was present when the accident occurred. He stated that he did not believe that the accident was a result of a loss of engine power. He noted that the engine runup was normal and the wind was 35 to 40 knots with gusts at the time of the accident. He saw the airplane after takeoff and it appeared to be bouncing around because of the wind. It then stalled and fell to the ground. He could not hear the engine noises due to the wind. A postaccident examination, which included an engine run, did not reveal any preimpact anomalies that would have precluded normal operation. Based on the available evidence, the accident was likely the result of the pilot’s decision to fly the airplane in which he had no experience in strong, gusting wind. This led to exceedance of the airplane’s critical angle of attack and an aerodynamic stall that the pilot had insufficient altitude to recover from. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
FAA avdata. C = Cause, F = Factor.
- — Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot
- — Personnel issues-Experience/knowledge-Experience/qualifications-Total experience w/ equipment-Pilot
- — Environmental issues-Conditions/weather/phenomena-Wind-Gusts-Decision related to condition
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Angle of attack-Not attained/maintained
Verbatim from NTSB's published report. Source file
NTSB_2023_CEN23LA128.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (stall, turbulence). All research papers
- Embry-Riddle Scholarly Commons 2021 · Journal article (IJAAA) Comparative Study on the Prediction of Aerodynamic Characteristics of Mini - Unmanned Aerial Vehicle with Turbulence Models
When dealing with CFD simulations the turbulent nature is seen on most of the engineering flows and these flows need to be solved.
- arXiv 2020 · arXiv preprint Numerical Simulation of Iced Wing Using Separating Shear Layer Fixed Turbulence Models
Aerodynamic prediction of glaze ice accretion on airfoils and wing is studied using the Reynolds-averaged Navier-Stokes method.
- NASA NTRS 2019 · Conference Paper Prediction of stall and post-stall behavior of airfoils at low and high Reynolds numbers
An interactive boundary-layer method, together with the e(super n)-approach to the calculation of transition, has been used to predict the stall and post-stall behavior of airfoils at low and high Rey…
- arXiv 2026 · arXiv preprint Direct Numerical Simulations of Ice-Ocean Boundary Turbulence
Turbulent heat and freshwater transport at ice-ocean interfaces controls glacier and iceberg melt rates, yet the underlying physics remains poorly constrained.
- 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 2025 · arXiv preprint Explainable LiDAR 3D Point Cloud Segmentation and Clustering for Detecting Airplane-Generated Wind Turbulence
Wake vortices - strong, coherent air turbulences created by aircraft - pose a significant risk to aviation safety and therefore require accurate and reliable detection methods.