NTSB CAROL · Event
Event LAX93LA251
Registry · N6515Q
FAA Aircraft Registry record.
Make / Model
ALON A2
Year of manufacture
1966 · 27 years old at event
Engine
CONT MOTOR C90 SERIES (95 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
19660225
ADS-B equipped
Yes — Mode-S A89387
Registrant of record
HOWARD ROLAND L
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
the pilot's failure to maintain adequate obstruction clearance while taxiing. A factor in the accident was the pilot's attention being diverted by the movement of two trucks.
Factual narrative
On June 12, 1993, at 0958 mountain standard time, a Alon A2, N6515Q, collided with a steam roller during a post landing taxi operation at the Goodyear, Arizona, airport. The aircraft was owned and operated by the pilot. Visual meteorological conditions prevailed at time and no flight plan was filed for the operation. The aircraft incurred substantial damage. The steam roller was not damaged. The certificated private pilot and the heavy equipment operator were not injured. The flight originated at the Goodyear airport on the day of the mishap at about 0900 hours as a local pattern practice flight. In her written statement, the pilot said that she was taxiing the aircraft back to its parking space on the taxiway and had to pass some men and heavy equipment which were engaged in widening the taxiway. The pilot reported that as she began to pass the construction zone she was watching two trucks moving on her right side and misjudged the left wing clearance from a steam roller. The left wing tip collided with the steam roller, damaging the outboard 12 inches of the left wing. The pilot was taxiing the aircraft back to its parking space on the taxiway and had to pass some men and heavy equipment which were engaged in widening the taxiway. The pilot reported that as she began to pass the construction zone she was watching two trucks moving on her right side and misjudged the left wing clearance from a steam roller. The left wing tip collided with the steam roller, damaging the outboard 12 inches of the left wing. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1993_LAX93LA251.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. 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…
- 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…
- arXiv 2025 · arXiv preprint
Developing Fundamental Diagrams for Urban Air Mobility Traffic Based on Physical Experiments
Urban Air Mobility (UAM) is an emerging application of unmanned aerial vehicles that promises to reduce travel time and alleviate congestion in urban transportation systems.
- arXiv 2025 · arXiv preprint
Spatially Consistent Air-to-Ground Channel Modeling and Simulation via 3D Shadow Projections
We present an approach for spatially-consistent semi-deterministic Air-to-Ground (A2G) channel modeling in Unmanned Aerial Vehicle-assisted networks.
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