NTSB CAROL · Event
Event FTW94LA250
Registry · N923SB
FAA Aircraft Registry record.
Make / Model
CESSNA T337G
Year of manufacture
1975 · 19 years old at event
Engine
CONT MOTOR TSIO-360 SER (225 hp)
Seats / Engines
6 seats · 2 engines
Last airworthiness date
19751229
ADS-B equipped
Yes — Mode-S ACCAE1
Registrant of record
GIG HARBOR AIRPLANE LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
THE CERTIFIED FLIGHT INSTRUCTOR'S FAILURE TO MAINTAIN FLYING SPEED.
Factual narrative
On July 24, 1994, approximately 1000 central daylight time, a Let L-23 glider, N923SB, was substantially damaged during take- off. The instructor pilot and his student were not injured. Visual meteorological conditions prevailed for the 14 CFR 91 flight. During an interview conducted by a Federal Aviation Administration inspector, the instructor pilot reported that the glider was being towed by car for takeoff as part of a student qualification. After separation from the towing vehicle the instructor pilot felt that they were not gaining airspeed and stalled. The glider struck the ground resulting in structural damage. DURING AN INSTRUCTIONAL FLIGHT, A GLIDER WAS BEING TOWED BY A CAR AS PART OF THE STUDENT PILOT'S QUALIFICATION. AFTER SEPARATION FROM THE TOWING VEHICLE, THE INSTRUCTOR PILOT NOTICED THAT THE GLIDER WAS NOT GAINING AIRSPEED. THE AIRCRAFT THEN STALLED AND STRUCK THE GROUND. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1994_FTW94LA250.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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