NTSB CAROL · Event
Event GAA16CA229
Registry · N119SW
FAA Aircraft Registry record.
Make / Model
WACO CLASSIC AIRCRAFT YMF-F5C
Seats / Engines
3 seats · 1 engine
ADS-B equipped
Yes — Mode-S A04F47
Registrant of record
VOSSMAN JOHN W
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to maintain directional control during the takeoff roll, and his excessive pitch attitude at low airspeed during initial climb, resulting in an aerodynamic stall and consequent ground impact.
Factual narrative
According to the pilot, he was taking off from a grass airstrip outlined by trees, in a tailwheel-equipped bi-plane. The pilot reported that he increased the airspeed and pushed forward on the stick in order to raise the tailwheel off of the ground, at which time the airplane began to veer left. The pilot recalled that he applied full right rudder and right aileron, and the airplane felt like it was "skipping down the runway" while continuing the left veer. The pilot reported that the airplane then swerved to the right, the nose pitched up, and the airplane "skipped", and became airborne at a low airspeed. The pilot recollected that he pulled the throttle back and the airplane banked left, and the left upper and lower wings impacted the ground. The airplane came to rest facing the opposite direction of takeoff, with substantial damage to the left wings and fuselage. The pilot reported that he believe the left main landing gear brake locked up, initiating the accident sequence. An airworthiness inspector from the Federal Aviation Administration (FAA) inspected the wheel and brake assembly which had separated from the airplane as a result of the impact, and found that the left wheel rotated freely with no indication of binding. The brake assembly revealed no indications of seizure, and a function check indicated normal operation at the time of the inspection. The FAA Inspector also reported that there were no indications of ground scars on the grass strip in the area of the takeoff roll that indicated binding or seizure of the left brake. Furthermore, a cell phone video of the takeoff, viewed by the NTSB investigator, showed the airplane during the takeoff roll with the tailwheel on the ground for the entire duration of the takeoff roll. The recording showed that as the airplane veered left, the airplane ascended with the nose canted approximately 45 degrees to the left of the runway centerline. The airplane remained airborne for seven seconds before it descended in a left bank, and impacted the ground. According to the pilot, he was taking off from a grass airstrip outlined by trees, in a tailwheel-equipped bi-plane. The pilot reported that he increased the airspeed and pushed forward on the stick in order to raise the tailwheel off of the ground, at which time the airplane began to veer left. The pilot recalled that he applied full right rudder and right aileron, and the airplane felt like it was "skipping down the runway" while continuing the left veer. The pilot reported that the airplane then swerved to the right, the nose pitched up, and the airplane "skipped", and became airborne at a low airspeed. The pilot recollected that he pulled the throttle back and the airplane banked left, and the left upper and lower wings impacted the ground. The airplane came to rest facing the opposite direction of takeoff, with substantial damage to the left wings and fuselage. The pilot reported that he believe the left main landing gear brake locked up, initiating the accident sequence. An airworthiness inspector from the Federal Aviation Administration (FAA) inspected the wheel and brake assembly which had separated from the airplane as a result of the impact, and found that the left wheel rotated freely with no indication of binding. The brake assembly revealed no indications of seizure, and a function check indicated normal operation at the time of the inspection. The FAA Inspector also reported that there were no indications of ground scars on the grass strip in the area of the takeoff roll that indicated binding or seizure of the left brake. Furthermore, a cell phone video of the takeoff, viewed by the NTSB investigator, showed the airplane during the takeoff roll with the tailwheel on the ground for the entire duration of the takeoff roll. The recording showed that as the airplane veered left, the airplane ascended with the nose canted approximately 45 degrees to the left of the runway centerline. The airplane remained airborne for seven seconds before it descended in a left bank, and impacted the ground. 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 Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Pitch 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_2016_GAA16CA229.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…
Browse the full corpus — academia portal ↗