NTSB CAROL · Event
Event GAA18CA436
Registry · N824PB
FAA Aircraft Registry record.
Make / Model
AIRBORNE WINDSPORTS PTY LTD EDGE XT-912-L
Year of manufacture
2015 · 3 years old at event
Engine
ROTAX 912UL SERIES (80 hp)
Seats / Engines
2 seats · 1 engine
Last airworthiness date
20170810
ADS-B equipped
Yes — Mode-S AB40FE
Registrant of record
BERESFORD DAMIEN J
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot’s failure to maintain directional control during landing.
Factual narrative
The pilot of the weight shift control aircraft reported that, during a flight review, while practicing touch and go landings, the flight instructor and pilot were both on the flight controls to allow the pilot to mirror the instructor's movements. During the landing flare, the pilot felt the airspeed was too high, the aircraft touched down and veered to the left. The instructor and pilot both tried to bring the aircraft under control, but the aircraft began to "waddle" and came to rest on its right side. The instructor reported that, during the flight, he observed the pilot was tense and uncomfortable and, during the first landing, the airspeed was too low. He instructed him to increase the airspeed and to practice stabilized approaches. During the accident landing roll, the aircraft was not aligned with the center of the runway and heading to the left. The pilot corrected to the right, but then made a turn back to the left. The aircraft came to rest on its right side. The weight shift control aircraft sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the weight shift control aircraft that would have precluded normal operation. The automated weather observation station located on the airport reported that, about 13 minutes after the accident, the wind was from 20° at 8 knots. The weight shift control aircraft landed on runway 35. The pilot and flight instructor did not submit the NTSB Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report. The pilot of the weight-shift-control aircraft reported that, during a flight review, while practicing touch-and-go landings, the flight instructor and pilot were both on the flight controls to allow the pilot to mirror the instructor's movements. During the landing flare, the pilot felt the airspeed was too high, and the aircraft touched down and veered left. The instructor and pilot both tried to bring the aircraft under control, but the aircraft began to "waddle" and came to rest on its right side. The instructor reported that, during the flight, he observed the pilot was tense and uncomfortable and during the first landing, the airspeed was too low. He instructed him to increase the airspeed and to practice stabilized approaches. During the accident landing roll, the aircraft was not aligned with the center of the runway and heading left. The pilot corrected to the right but then turned back to the left. The aircraft came to rest on its right side. The weight-shift-control aircraft sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the weight-shift-control aircraft that would have precluded normal operation. The automated weather observation station located on the airport reported that, about 13 minutes after the accident, the wind was from 20° at 8 knots. The weight-shift-control aircraft landed on runway 35. 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-Directional control-Not attained/maintained - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
- — Environmental issues-Conditions/weather/phenomena-Wind-Crosswind-Effect on operation
Verbatim from NTSB's published report. Source file
NTSB_2018_GAA18CA436.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). 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 · Contractor Report (CR)
Icing Physics Studies Using the 3D SIDRM Test Article: 2023 Icing Tests Analysis
In-flight icing is an important safety issue and is a factor that affects aircraft design and performance. Newer regulations are driving a need for improvements in airframe and engine icing simulation…
- arXiv 2025 · arXiv preprint
Multi-Agent Deep Reinforcement Learning for UAV-Assisted 5G Network Slicing: A Comparative Study of MAPPO, MADDPG, and MADQN
The growing demand for robust, scalable wireless networks in the 5G-and-beyond era has led to the deployment of Unmanned Aerial Vehicles (UAVs) as mobile base stations to enhance coverage in dense urb…
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Mathematical Model on the Temporal Dynamics of Aviation Competitive Pricing
This study investigates the competitive dynamics of airport pricing using U.S. airport data to validate the findings. It employs linear and nonlinear ordinary differential equation models to analyze t…
- NASA NTRS 2025 · Presentation
NASA Icing Update – March 2025
This NASA Icing Update was prepared for presentation to the SAE International AC-9C Inflight Icing Technology Committee. This update includes the following topics: planned Rotational Icing Scaling tes…
- arXiv 2024 · arXiv preprint
An energy-stable phase-field model for droplet icing simulations
A phase-field model for three-phase flows is established by combining the Navier-Stokes (NS) and the energy equations, with the Allen-Cahn (AC) and Cahn-Hilliard (CH) equations and is demonstrated ana…
- NASA NTRS 2024 · Presentation
NASA Icing Update – Oct 2024
This presentation provides a status update on select NASA icing research activities for the SAE AC-9C Icing Technical Committee Meeting on Oct 21, 2024.
Browse the full corpus — academia portal ↗