NTSB CAROL · Event
Event ATL03LA051
Registry · N642AS
FAA Aircraft Registry record.
Make / Model
EA VISION EA J100
ADS-B equipped
Yes — Mode-S A86CBA
Registrant of record
XTREME AVIATION LLC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The flight's encounter with severe turbulence that resulted in serious injury to a flight attendant.
Factual narrative
On March 1, 2003, at 0630 eastern standard time, an Aerospatiale ATR-72-212, N642AS, registered to and operated by Atlantic Southeast Airlines as Flight 4268, encountered turbulence during cruise flight. Flight 4268 was operated under the provisions of Title 14 CFR Part 121, as a scheduled, domestic passenger flight from Valparaiso, Florida, to William B Hartsfield Atlanta International, Atlanta, Georgia. The flight operated under instrument flight rules with a flight plan filed. The airline transport-rated pilot in command, airline transport-rated first officer, and 12 revenue passengers on board were not injured. One cabin attendant received serious injuries, and the other cabin attendant received minor injuries. The flight continued to Atlanta, Georgia, without further incident. The flight departed Eglin Air Force Base, Florida, at 0450 central daylight time on March 1, 2003. According to the captain, during cruise flight at 17,000 feet the airplane encountered a jolt of severe turbulence. The autopilot disconnected and there was a 300-foot loss in altitude. According to the flight attendants, during the turbulence encounter they were pinned to the ceiling and dropped to the floor. The captain called to check on the flight attendants status. The flight attendants informed the captain the passengers were uninjured and they had received minor injuries. At the time of the turbulence encounter the seat belt sign was illuminated. The captain radioed for paramedic support after landing. After landing the paramedics boarded the airplane, examined the attendants, and advised them to go to the emergency room for further evaluation. At the emergency room it was determined that one fight attendant had a broken femur in the left ankle and the other was not injured. The nearest weather reporting facility at the time of the accident was Atlanta International, Georgia. The 0553 surface weather observation was: 400 overcast, visibility 6 statue miles, temperature 7 degrees Celsius, dew point 6 degrees Celsius, wind 70-degrees at 11 knots, and altimeter 30.06 inches. According to the operator, the flight crew received a weather briefing before the flight departed, however there was no weather warning given for severe turbulence. According to the captain, during cruise flight at 17,000 feet the airplane encountered turbulence. The area of turbulence was not forcasted. During the encounter the seat belt sign was illuminated. The cabin attendants informed the captain the passengers were uninjured and a flight attendant had received minor injuries. After landing the paramedics boarded the airplane, and examined the attendants.The flight attendant was transported to the emergency room where it was determined that one fight attendant had a broken femur. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2003_ATL03LA051.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, autopilot). 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 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.
- arXiv 2025 · arXiv preprint
ROSflight 2.0: Lean ROS 2-Based Autopilot for Unmanned Aerial Vehicles
ROSflight is a lean, open-source autopilot ecosystem for unmanned aerial vehicles (UAVs). Designed by researchers for researchers, it is built to lower the barrier to entry to UAV research and acceler…
- arXiv 2025 · arXiv preprint
ROSplane 2.0: A Fixed-Wing Autopilot for Research
Unmanned aerial vehicle (UAV) research requires the integration of cutting-edge technology into existing autopilot frameworks.
- arXiv 2025 · arXiv preprint
Explainable LiDAR 3D Point Cloud Segmentation and Clustering for Detecting Airplane-Generated Wind Turbulence
Wake vortices - strong, coherent air turbulences created by aircraft - pose a significant risk to aviation safety and therefore require accurate and reliable detection methods.
- arXiv 2024 · arXiv preprint
Does small-scale turbulence matter for ice growth in mixed-phase clouds?
Representing the glaciation of mixed-phase clouds in terms of the Wegener-Bergeron-Findeisen process is a challenge for many weather and climate models, which tend to overestimate this process because…
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