NTSB CAROL · Event
Event DCA17CA123
Aircraft involved
Probable cause & findings
an encounter with convective turbulence.
Factual narrative
On May 20, 2017, about 1930 central daylight time, Spirit Airlines flight 330, an Airbus A319-132, N512NK, encountered turbulence while in cruise flight at flight level (FL) 360. Of the 146 passengers and crew onboard, one flight attendant received serious injuries. The airplane was not damaged. The regularly scheduled passenger flight was operating under the provisions of 14 Code of Federal Regulations Part 121 from Louis Armstrong New Orleans International Airport (KMSY), New Orleans, Louisiana, to Dallas/Fort Worth International Airport (KDFW), Dallas, Texas. During cruise, as the flight was approaching a line of weather, the flight crew made a public address announcement for the passengers to be seated because they expected turbulence. In addition, the captain called the lead flight attendant (FA) and instructed that all the flight attendants be seated. The seatbelt sign was illuminated for the entire flight. About 10 minutes later, the flight penetrated a line of weather and the airplane had a short encounter with moderate turbulence. The autopilot did not disengage during the encounter. When the turbulence occurred, one of the FAs was seated in the aft galley without her seatbelt fastened and was thrown upwards, hitting her head on the ceiling before landing on the galley floor. She was assisted by medically qualified passengers and remained on the floor for the remainder of the flight due to numbness in her extremities. Emergency personnel met the airplane after landing and the injured FA was transported to the hospital where she was diagnosed with number 1 lumbar fracture. 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 Environmental issues-Conditions/weather/phenomena-Turbulence-Convective turbulence-Effect on personnel - C
Verbatim from NTSB's published report. Source file
NTSB_2017_DCA17CA123.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
Beyond the agency record
Search this event elsewhere.
Pre-filled searches into the sources where news + community discussion of aviation events lives. External sources are reported, not agency. Treat them as signal that something happened, not as fact about what happened.
Entity-clustered aviation events in the press — last 24 hr + 30-day archive.
Official agency record + docket.
Investigative docket: factual reports, photos, transcripts.
Long-running aviation incident database (Flight Safety Foundation).
Community NTSB synthesis blog — often has photos and witness reports.
Gold-standard aviation incident blog.
Aviation industry news search.
GA pilot forum — informed but rumor-prone.
GA pilot subreddit search.
Tail-number page — flight history (free tier limited).
AOPA Air Safety Institute search.
Mainstream press coverage. Recent events only.
Privacy-preserving news search.
External links open in a new tab. We don't ingest their content; we deep-link search queries.
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…
Browse the full corpus — academia portal ↗