NTSB CAROL · Event
Event ERA23LA329
Registry · N1624Z
FAA Aircraft Registry record.
Make / Model
EIPPER FORMANCE INC MXII
Engine
ROTAX 503 SERIES (52 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20070801
ADS-B equipped
Yes — Mode-S A0FC18
Registrant of record
CHAPMAN BRADLEY A
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s exceedance of the critical angle of attack during the initial climb, which resulted in an aerodynamic stall at low altitude and a collision with a hangar. Contributing to the accident was the pilot’s lack of experience in the accident make and model airplane.
Factual narrative
The pilot reported that the accident flight was his first flight in this make and model airplane, and he planned to complete a few high-speed taxi runs before deciding to takeoff. During the first high-speed taxi attempt, the pilot lifted the nose wheel up, and after riding on the rear wheels he increased engine power to “slightly lift off”; however, the airplane quickly climbed to 30 or 40 feet above ground level within a few seconds. Subsequently, the pilot reduced power to land, but the airplane immediately entered an aerodynamic stall and rolled to the left. The airplane continued to descend and impacted a hangar which resulted in substantial damage to the fuselage and wings. The pilot reported that there were no preimpact mechanical malfunctions or failures with the airplane that would have precluded normal operation. He further added that he was unfamiliar with the airplane. 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).
- — Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot
- — Personnel issues-Experience/knowledge-Experience/qualifications-Total experience w/ equipment-Pilot
- — Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Angle of attack-Capability exceeded
Verbatim from NTSB's published report. Source file
NTSB_2023_ERA23LA329.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 ↗