NTSB CAROL · Event
Event GAA18CA335
Aircraft involved
Probable cause & findings
The pilot’s exceedance of the airplane’s critical angle of attack during a soft-field takeoff, which resulted in an aerodynamic stall.
Factual narrative
The pilot reported that, during a soft field takeoff from a private grass airstrip, he applied slight aft pressure to the yoke to lighten the load on the nose wheel. The airplane became airborne, but while in ground effect, the left wing dropped about 10º and the left main landing gear contacted the runway. The airplane settled back on the ground pointing about 30º left of runway heading. The airplane then departed the runway to the left, and ground-looped to the left, which collapsed the left landing gear. The airplane slid backwards and came to rest upright on the cotton field adjacent the airstrip. The airplane sustained substantial damage to both ailerons. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot added that he the weight and balance calculations were within operational limitations of the Pilot's Operating handbook. The automated weather observation system located on an airport 18 nm south reported that, about 17 minutes before the accident, the wind was 90º at 5 knots. Another automated weather observation station located on an airport 22 nm southeast reported that, about 14 minutes before the accident, the wind was 110º at 3 knots. The airplane departed 26. The pilot reported that, during a soft-field takeoff from a private grass airstrip, he applied slight aft pressure to the yoke to lighten the load on the nosewheel. The airplane became airborne, but while in ground effect, the left wing dropped about 10º, and the left main landing gear contacted the runway. The airplane settled back on the ground pointing about 30º left of the runway heading. The airplane then departed the runway to the left and ground looped, during which the left landing gear collapsed. The airplane slid backward and came to rest upright on the field adjacent the airstrip. The airplane sustained substantial damage to both ailerons. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot added that the airplane's weight and balance were within the operational limitations in the Pilot's Operating Handbook. The automated weather observation system located on an airport 18 nautical miles (nm) south of the accident site reported that, about 17 minutes before the accident, the wind was from 90º at 5 knots. An automated weather observation station located on an airport 22 nm southeast of the accident site reported that, about 14 minutes before the accident, the wind was from 110º at 3 knots. The airplane departed from runway 26. 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-Angle of attack-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_2018_GAA18CA335.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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