NTSB CAROL · Event
Event NYC06LA099
Aircraft involved
Probable cause & findings
An inadvertent encounter with clear air turbulence.
Factual narrative
On April 15, 2006, about 1615 eastern daylight time, a flight attendant was seriously injured when a Bombardier CL600-2B19, N934EV, operating as Atlantic Southeast Airlines flight 4462, encountered turbulence near Front Royal, Virginia. The airplane was undamaged, and there were no injuries to the 2 certificated airline transport pilots and 48 passengers. Visual meteorological conditions prevailed at the time. The flight was operating on an instrument flight rules plan between Hartsfield-Jackson Atlanta International Airport (KATL), Atlanta, Georgia, and Harrisburg International Airport (KMDT), Harrisburg, Pennsylvania. The scheduled passenger flight was conducted under 14 CFR Part 121. According to a statement submitted by the operator, the captain reported that the airplane was descending through flight level 250, when he deviated west of course to avoid a "cell" about 125 nautical miles from Harrisburg. While doing so, the airplane encountered "moderate turbulence" which disengaged the autopilot. The captain subsequently attempted to contact the flight attendant; however, a passenger answered the call and advised the captain that she was injured. Witnesses reported that she had been "thrown up to the ceiling and rapidly back to the floor." A doctor and two passengers subsequently helped the flight attendant to her jumpseat. After speaking with the flight attendant, the captain continued the flight to the destination, and landed about 15 minutes later without further incident. The flight attendant was then taken to a local hospital where she was treated for head injuries and a broken foot. At the time of the accident, AIRMET Tango was in effect for occasional moderate turbulence between flight levels 240 and 400. While descending through flight level 250, and maneuvering to avoid a "cell," the airplane encountered clear air turbulence. The flight attendant, who was out of her seat at the time, was thrown to the ceiling, then fell back to the floor, resulting in a serious injury. The airplane landed at the destination airport about 15 minutes later without further incident. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_2006_NYC06LA099.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
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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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