NTSB CAROL · Event
Event CEN25LA264
Registry · N6557Q
FAA Aircraft Registry record.
Make / Model
ALON A2
Year of manufacture
1965 · 60 years old at event
Engine
CONT MOTOR C90 SERIES (95 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19651001
ADS-B equipped
Yes — Mode-S A8A2A9
Registrant of record
LEE JAN
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The failure of the left brake to release due to corrosion and pitting of the caliper piston and bore, which resulted in a runway excursion.
Factual narrative
The pilot reported that when the wheels touched down during landing the airplane pulled hard to the left and departed the runway despite his control inputs to correct the airplane’s direction of travel. The airplane nose landing gear collapsed during the runway excursion and the airplane came to rest inverted in the adjacent cornfield. The wings and empennage sustained substantial damage. After the accident a bystander attempted to turn the left wheel of the airplane and told the pilot he could barely move it. Later when the pilot tried to move the left wheel it turned freely. A post-accident examination of the airplane showed that the brake caliper pistons and piston bores for both main landing gear were corroded and pitted. It is likely the left brake caliper failed to release after being used during the landing due to the corroded brake components. 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).
- — Aircraft-Aircraft systems-Landing gear system-Master cylinder/brake valve-Fatigue/wear/corrosion
Verbatim from NTSB's published report. Source file
NTSB_2025_CEN25LA264.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 (runway excursion). 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
Large-eddy simulations of the NACA23012 airfoil with laser-scanned ice shapes
In this study, five ice shapes generated at NASA Glenn's Icing Research Tunnel (IRT) are simulated at multiple angles of attack (Broeren et al., J. of Aircraft, 2018).
- arXiv 2023 · arXiv preprint
Novel Online-Offline MA2C-DDPG for Efficient Spectrum Allocation and Trajectory Optimization in Dynamic Spectrum Sharing UAV Networks
Unmanned aerial vehicle (UAV) communication is of crucial importance for diverse practical applications. However, it is susceptible to the severe spectrum scarcity problem and interference since it op…
- Semantic Scholar 2019 · Article (International Conference on Interaction Sciences)
Using lda2vec Topic Modeling to Identify Latent Topics in Aviation Safety Reports
The study of aviation safety report in the aviation industry usually relies on manually labeled data sets, and then classifies and models related problems, which have become insufficient in the face o…
- SKYbrary (Eurocontrol) 2024 · SKYbrary article
Runway Excursion — SKYbrary Knowledge Base
SKYbrary runway excursion review — RE-OE (overruns) + RE-LO (lateral). Risk drivers: long landing, high approach speed, contaminated surface, tailwind, mis-set autobrakes.
- NTSB Aircraft Accident Reports 2019 · Accident report
Embraer ERJ 175 Runway Excursion at Charlotte Douglas
Republic Airline ERJ-175 runway excursion CLT, January 2018. Examines a low-energy runway excursion involving misuse of autobrakes + thrust reverser response after a high-crosswind landing on a contam…
- arXiv 2026 · arXiv preprint
Separation Assurance between Heterogeneous Fleets of Small Unmanned Aerial Systems via Multi-Agent Reinforcement Learning
In the envisioned future dense urban airspace, multiple companies will operate heterogeneous fleets of small unmanned aerial systems (sUASs), where each fleet includes several homogeneous aircraft wit…
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