NTSB CAROL · Event
Event ERA14CA233
Aircraft involved
Probable cause & findings
The pilot's improper flap retraction during a short field takeoff, which resulted in the aircraft experiencing an aerodynamic stall and impact with trees.
Factual narrative
The pilot stated that he intended to perform a short field takeoff due to trees at the end of the 2,350-foot-long runway. A pretakeoff engine run up revealed no anomalies, and the pilot initiated the takeoff with the wing flaps extended 10 degrees. "Immediately" after takeoff, the pilot raised the flaps, and felt as though the airplane's nose was "pushed down." The airplane contacted trees at the end of the runway and subsequently impacted the ground, resulting in substantial damage to the fuselage, both wings, and the engine firewall. Postaccident examination of the airplane and engine by a Federal Aviation Administration inspector revealed no anomalies that would have precluded normal operation. According to the airplane owner's handbook, when operating from short runways, "[takeoff] distances can be reduced appreciably by lowering flaps to 25 degrees." The Airplane Flying Handbook (FAA-H-8083-3A further stated, "On short-field takeoffs, the landing gear and flaps should remain in takeoff position until clear of obstacles and [best rate of climb] has been established. It is usually advisable to raise the flaps in increments to avoid sudden loss of lift." The pilot stated that he intended to perform a short field takeoff due to trees at the end of the 2,350-foot-long runway. A pretakeoff engine run up revealed no anomalies, and the pilot initiated the takeoff with the wing flaps extended 10 degrees. "Immediately" after takeoff, the pilot raised the flaps, and felt as though the airplane's nose was "pushed down." The airplane contacted trees at the end of the runway and subsequently impacted the ground, resulting in substantial damage to the fuselage, both wings, and the engine firewall. Postaccident examination of the airplane and engine by a Federal Aviation Administration inspector revealed no anomalies that would have precluded normal operation. According to the airplane owner's handbook, when operating from short runways, "[takeoff] distances can be reduced appreciably by lowering flaps to 25 degrees." The Airplane Flying Handbook (FAA-H-8083-3A further stated, "On short-field takeoffs, the landing gear and flaps should remain in takeoff position until clear of obstacles and [best rate of climb] has been established. It is usually advisable to raise the flaps in increments to avoid sudden loss of lift." 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 systems-Flight control system-TE flap control system-Incorrect use/operation - C
- C Personnel issues-Task performance-Use of equip/info-Use of equip/system-Pilot - C
- — Environmental issues-Physical environment-Object/animal/substance-Tree(s)-Contributed to outcome
Verbatim from NTSB's published report. Source file
NTSB_2014_ERA14CA233.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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