NTSB CAROL · Event
Event GAA18CA291
Aircraft involved
Probable cause & findings
The pilot’s exceedance of the airplane’s critical angle of attack during short final, which resulted in an aerodynamic stall and hard landing.
Factual narrative
The pilot reported that, on short final, the airspeed was about 65 to 70 knots with full flaps, and he observed the 2 light precision approach path lights indicating 2 white lights. The left wing dropped, and he did not hear the stall warning horn. The left main landing gear touched down hard, the right main landing gear collapsed, and the airplane veered off the runway to the right. The pilot reported that the airplane hit an "air pocket" and crashed. A witness, located on the ramp, observed the accident airplane head-on coming in very low and slow. He saw the airplane aerodynamically stall and the right wing dropped. The right wing impacted the ground, followed by the right landing gear and then the nose landing gear. The landing gear assemblies separated from the airplane which skidded to an abrupt halt. The airplane sustained substantial damage to both wings. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot did not submit the NTSB Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report. The pilot reported that, on short final, the airspeed was about 65 to 70 knots with full flaps, and he observed the two precision approach path lights indicating two white lights. The left wing dropped, and he did not hear the stall warning horn. The left main landing gear touched down hard, the right main landing gear collapsed, and the airplane veered off the runway to the right. The pilot reported that the airplane hit an "air pocket" and crashed. A witness, located on the ramp, observed the airplane head-on coming in very low and slow. He saw the airplane aerodynamically stall, and the right wing drop. The right wing impacted the ground, followed by the right main landing gear and then the nose landing gear. The landing gear assemblies separated from the airplane, which skidded to an abrupt halt. The airplane sustained substantial damage to both wings. The pilot reported that there were no preaccident mechanical failures or malfunctions 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 Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Angle of attack-Capability exceeded - C
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Airspeed-Attain/maintain not possible - C
Verbatim from NTSB's published report. Source file
NTSB_2018_GAA18CA291.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 ↗