NTSB CAROL · Event
Event ERA13CA177
Aircraft involved
Probable cause & findings
The pilot’s failure to maintain control of the weight-shift aircraft during the final approach to land.
Factual narrative
According to the pilot of the weight shift aircraft, he noticed the wind speed increasing and decided to return to the airport. While on final approach to runway 18, approximately 30 feet above ground level, the aircraft incurred “turbulence,” it veered to the left, and the pilot unsuccessfully attempted to gain altitude in order to avoid colliding with trees. The aircraft settled into the trees, which resulted in substantial damage to the keel and spar of the aircraft. The pilot reported no preimpact mechanical malfunctions or failures with the aircraft that would have precluded normal operation. Winds, recorded at an airport 10 miles to the west of the accident location, about the time of the accident, were from 150 degrees at 7 knots. According to the pilot of the weight-shift aircraft, he noticed that the wind speed was increasing, and he decided to return to the airport. While on final approach to runway 18, about 30 feet above ground level, the aircraft encountered “turbulence.” It veered to the left, and the pilot unsuccessfully attempted to gain altitude in order to avoid colliding with trees. The aircraft settled into the trees, which resulted in substantial damage to the keel and spar of the aircraft. The pilot reported no preimpact mechanical malfunctions or failures with the aircraft that would have precluded normal operation. The wind recorded at an airport about 10 miles west of the accident location about the time of the accident was from 150 degrees at 7 knots. 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-(general)-Not attained/maintained - C
- C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C
- — Environmental issues-Conditions/weather/phenomena-Turbulence-(general)-Not specified
Verbatim from NTSB's published report. Source file
NTSB_2013_ERA13CA177.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 (turbulence). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
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- Embry-Riddle Scholarly Commons 2016 · Conference paper
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26. Team Eagle Wingsuit Research Results
- arXiv 2026 · arXiv preprint
Direct Numerical Simulations of Ice-Ocean Boundary Turbulence
Turbulent heat and freshwater transport at ice-ocean interfaces controls glacier and iceberg melt rates, yet the underlying physics remains poorly constrained.
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
Political Turbulence and Aviation Safety: A Cross-National Analysis of Political Stability's Effects on Aviation Accidents
To what extent does political stability affect aviation safety? This research aims to link domestic political conditions and public safety through the consideration of aviation accident frequency.
Browse the full corpus — academia portal ↗