GAA19CA038
2018-10-27 · Marana, Arizona, United States · None · 1 aircraft · Status: Completed
Airport AVQ
Current FAA registration · N537MA
- Make / Model
- DIAMOND AIRCRAFT DA 40
- Engine
- LYCOMING I0360 SER (180 hp)
- Seats / Engines
- 4 seats · 1 engine
- Last airworthiness date
- 20050111
- ADS-B equipped
- Yes — Mode-S A6CB82
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The student pilot's excessive taxi speed during a turn from the runway to a taxiway, which resulted in a runway excursion and collision with a taxiway sign.
Factual narrative
The solo student pilot reported that, while en route to the non-towered airport, she obtained local weather and reported on the common traffic advisory frequency that she would be entering the downwind for runway 30. Another pilot in the traffic pattern reported that they were using runway 12, so the student performed a 180° turn to enter the downwind for runway 12. She added that during the landing roll, she applied brakes and attempted to turn right off the runway, but her "speed was still high." She realized she would not be able to make the turn, so she attempted to turn left back onto the runway. The airplane skidded off the runway to the right and impacted a taxiway sign. The airplane sustained substantial damage to the right wing. The deputy safety officer of the flight school reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation station located on the airport reported that, about 5 minutes before the accident, the wind was from 350° at 4 knots. The student pilot landed the airplane on runway 12. The solo student pilot reported that, while en route to the nontowered airport, she obtained local weather and reported on the common traffic advisory frequency that she would be entering the downwind for runway 30. Another pilot in the traffic pattern reported that they were using runway 12, so the student turned the airplane 180° to enter the downwind for runway 12. She added that, during the landing roll, she applied brakes and attempted to turn right off the runway, but the "speed was still high." She realized that she would not be able to make the turn, so she attempted to turn left back onto the runway. Subsequently, the airplane skidded off the runway to the right and impacted a taxiway sign. The airplane sustained substantial damage to the right wing. The deputy safety officer of the flight school reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The airport’s automated weather observation station reported that, about 5 minutes before the accident, the wind was from 350° at 4 knots. The student landed the airplane on runway 12. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
FAA avdata. C = Cause, F = Factor.
- C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Surface speed/braking-Not attained/maintained - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Student/instructed pilot - C
- — Environmental issues-Physical environment-Object/animal/substance-Sign/marker-Contributed to outcome
- — Environmental issues-Conditions/weather/phenomena-Wind-Tailwind-Effect on operation
- — Environmental issues-Physical environment-Object/animal/substance-Sign/marker-Contributed to outcome
Verbatim from NTSB's published report. Source file
NTSB_2018_GAA19CA038.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
Search this event elsewhere
External sources are reported, not agency: signal that something happened, not fact about what happened.
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Related research
Matched on aircraft type or causal vocabulary (runway excursion). All research papers
- 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…
- NASA NTRS 2025 · Presentation Uncovering Resilient Behavior in the Aviation Safety Reporting System Using Large Language Models
Resiliency is present in everyday life, both in system design and exhibited by the operators that function within these systems.
- NASA NTRS 2025 · Conference Paper Uncovering Resilient Behavior in the Aviation Safety Reporting System Using Large Language Models
Resiliency is present in everyday life, both in system design and exhibited by the operators that function within these systems.
- Flight Safety Foundation 2024 · FSF / AeroSafety World Runway Safety Initiative Final Report (RSI)
Foundation Runway Safety Initiative final report — comprehensive analysis of runway excursion + incursion risk drivers worldwide.
- Semantic Scholar 2020 · Article Towards online prediction of safety-critical landing metrics in aviation using supervised machine learning
Abstract In recent years, due to the increased availability of data and improvements in computing power, application of machine learning techniques to various aviation safety problems for identifying,…