NTSB CAROL · Event
Event CEN13CA333
Registry · N549TT
FAA Aircraft Registry record.
Make / Model
GTEEX REVOLUTION INDEPENDENCE 19
ADS-B equipped
Yes — Mode-S A6FB16
Registrant of record
TERRAPLEX AG LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The student pilot's failure to maintain aircraft control during the takeoff and his interference with the flight instructor's ability to provide remedial action.
Factual narrative
The flight instructor and student pilot were practicing a soft field takeoff procedure. During the takeoff roll, the airplane began a yaw to the right. The airplane continued to the right after the main landing gear wheels departed the runway, and the flight instructor told the student to correct back to the center of the runway. The airplane then yawed to the left past runway heading and the pitch attitude increased. The flight instructor attempted to take control of the airplane; however, the student did not let go of the controls. The flight instructor tried to reduce the pitch attitude, but the airplane stalled and impacted terrain adjacent to the runway. The airplane sustained substantial damage to the fuselage. The flight instructor reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The flight instructor and student pilot were practicing a soft field takeoff procedure. During the takeoff roll, the airplane began a yaw to the right. The airplane continued to the right after the main landing gear wheels departed the runway, and the flight instructor told the student to correct back to the center of the runway. The airplane then yawed to the left past runway heading and the pitch attitude increased. The flight instructor attempted to take control of the airplane; however, the student did not let go of the controls. The flight instructor tried to reduce the pitch attitude, but the airplane stalled and impacted terrain adjacent to the runway. The airplane sustained substantial damage to the fuselage. The flight instructor reported no preaccident mechanical malfunctions or failures 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-Pitch control-Not attained/maintained - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Student pilot - C
- — Personnel issues-Action/decision-Action-(general)-Instructor/check pilot
Verbatim from NTSB's published report. Source file
NTSB_2013_CEN13CA333.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 (icing, 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.
- 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 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…
- NASA NTRS 2019 · Contractor Report (CR)
An Evaluation of an Analytical Simulation of an Airplane with Tailplane Icing by Comparison to Flight Data
This report presents the assessment of an analytical tool developed as part of the NASA/FAA Tailplane Icing Program. The analytical tool is a specialized simulation program called TAILSM4 which was de…
- NASA NTRS 2019 · Technical Publication (TP)
NASA/FAA Tailplane Icing Program: Flight Test Report
This report presents results from research flights that explored the characteristics of an ice-contaminated tailplane using various simulated ice shapes attached to the leading edge of the horizontal …
- NASA NTRS 2019 · Other
[Tail Plane Icing]
The Aviation Safety Program initiated by NASA in 1997 has put greater emphasis in safety related research activities. Ice-contaminated-tailplane stall (ICTS) has been identified by the NASA Lewis Icin…
- Embry-Riddle Scholarly Commons 2019 · Journal article (IJAAA)
Airport Policing in Pakistan: Structure, Training, and Issue
Airports are strategically and economically important installations of any country. Airports are the gateway of any country and any incidents at these gateways may harm the very aspects of a country i…
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