NTSB CAROL · Event
Event GAA20CA050
Aircraft involved
Probable cause & findings
The pilot receiving instruction's failure to relinquish the flight controls to the flight instructor during a simulated engine failure during takeoff, which resulted in the airplane touching down in a left banking attitude and the landing gear collapsing.
Factual narrative
The pilot receiving instruction in the multi-engine airplane reported that, during the runup, they briefed for a simulated engine failure during takeoff. He added that, during the takeoff, the flight instructor reduced the left engine throttle and the airplane veered to the left. He "lost the control" and the instructor took the flight controls. The airplane lifted off the ground into ground effect and the left wing struck the ground, exited the runway, and came to rest in the grass adjacent the runway. The flight instructor seated in the right seat, reported that, after he reduced power on the left engine during takeoff, the pilot became confused by the sudden left yaw and did not react. He repeatedly told the pilot to abort the takeoff. Brakes were only installed on the pilot's (left) side, so the instructor was unable to apply brakes. The pilot panicked, moved the left throttle to full, remained locked on the controls, and applied back pressure on the yoke. The instructor continued to attempt to take the flight controls from the pilot, but the airplane entered ground effect. The instructor took the flight controls and, as the airplane settled to the ground, he reduced both throttles to idle. The airplane touched down in a "left yawing, slight left bank attitude" and the landing gear collapsed. The airplane skidded on the runway to the left, rotated counterclockwise, exited the runway, and came to rest in the grass. The airplane sustained substantial damage to the left wing. The pilot and instructor reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The pilot receiving instruction in the multiengine airplane reported that, during the runup, he and the flight instructor briefed for a simulated engine failure during takeoff. He added that, during the takeoff, the instructor reduced the left engine throttle, and the airplane veered left. He "lost the control," and the instructor took the flight controls. The airplane lifted off into ground effect, the left wing struck the ground, and the airplane then exited the runway and came to rest in grass. The instructor, who was seated in the left seat, reported that, after he reduced power on the left engine during takeoff, the pilot became confused by the sudden left yaw and did not react. He repeatedly told the pilot to abort the takeoff. Brakes were only installed on the pilot's (left) side, so the instructor was unable to apply brakes. The pilot panicked, moved the left throttle to full, remained locked on the controls, and applied back pressure on the yoke. The instructor continued to attempt to take the flight controls from the pilot, but the airplane entered ground effect. The instructor eventually took the flight controls, and as the airplane settled to the ground, he reduced both throttles to idle. The airplane touched down in a "left yawing, slight left bank attitude," and the landing gear collapsed. The airplane skidded on the runway to the left, rotated counterclockwise, exited the runway, and then came to rest in grass. The airplane sustained substantial damage to the left wing. The pilot and instructor 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 Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Student/instructed pilot - C
- C Personnel issues-Action/decision-Action-Lack of action-Student/instructed pilot - C
- C Personnel issues-Task performance-Communication (personnel)-Following instructions-Student/instructed pilot - C
- — Aircraft-Aircraft systems-Landing gear system-Brake-Not installed/available
Verbatim from NTSB's published report. Source file
NTSB_2019_GAA20CA050.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, engine failure). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
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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
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- 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
Multi-level Adaptation for Automatic Landing with Engine Failure under Turbulent Weather
This paper addresses efficient feasibility evaluation of possible emergency landing sites, online navigation, and path following for automatic landing under engine-out failure subject to turbulent wea…
- 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…
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