NTSB CAROL · Event
Event ERA21LA181
Aircraft involved
Probable cause & findings
The flying pilot’s failure to configure the flaps for a short field takeoff and delayed decision to abort the takeoff, which resulted in a runway overrun.
Factual narrative
According to the owner of the airplane, who was the non-flying pilot seated in the right seat, prior to takeoff an engine runup was completed with no anomalies observed, and in addition, the wind sock indicated a calm wind. The owner reported that he and the pilot flying briefed the procedures for a short-field takeoff, back taxied to the end of the runway, and applied the brakes. The pilot flying increased the engine power, released the brakes, and began the takeoff roll. He attempted to rotate; however, the stall warning sounded, and he lowered the nose to accelerate more. The pilot flying again attempted to rotate, the stall warning horn sounded, and at this point the owner took the controls, calling for an aborted takeoff. The owner reduced engine power and applied the brakes; however, the airplane continued off the end of the runway and struck a ditch. A postaccident fire ensued, and the pilots and passenger egressed the airplane without injury. During the accident sequence, the airplane incurred substantial damage to the wings and fuselage. The owner reported no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. According to the airplane’s pilot operating handbook, the flaps should be set to the second notch, or 25° for a short field takeoff. After the accident, a Federal Aviation Administration inspector examined the airplane and noted that the flaps were in the first notch, or 10° position. Further, the owner acknowledged that, “…it is possible that the flaps were not set correctly on takeoff.” Given this information, it is likely that the pilot did not properly configure the airplane, which is why the airplane was unable to become airborne during the short field takeoff attempt. 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-Configuration-Incorrect use/operation
- — Personnel issues-Task performance-Use of equip/info-Use of equip/system-Pilot
- — Personnel issues-Action/decision-Info processing/decision-Decision making/judgment-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2021_ERA21LA181.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 ↗