NTSB CAROL · Event
Event DCA21LA109
Registry · N650AE
FAA Aircraft Registry record.
Make / Model
EMBRAER EMB-145LR
Year of manufacture
2001 · 20 years old at event
Engine
ALLISON AE 3007A
Seats / Engines
55 seats · 2 engines
Last airworthiness date
20010429
ADS-B equipped
Yes — Mode-S A88CBF
Registrant of record
AMERICAN AIRLINES INC
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
an encounter with convective turbulence during descent.
Factual narrative
On March 28, 2021, about 1729 eastern standard time, Piedmont Airlines flight 6142, an Embraer 145 aircraft, N650AE, encountered turbulence during approach into Charlotte Douglas International Airport (KCLT), Charlotte, North Carolina. Of the 50 passengers and crew onboard, one passenger sustained serious injuries and the first officer, flight attendant, and one passenger sustained minor injuries. The airplane was not damaged. The regularly scheduled domestic passenger flight was operating under the provisions of 14 Code of Federal Regulations Part 121 from Tri-cities Airport (KTRI), Blountville, TN. The flight crew stated they expected turbulence on arrival into KCLT, because they had flown in from KCLT on the flight prior to the accident flight. As a result, prior to pushback of the accident flight, the captain made a public address announcement that the fasten seatbelt sign would remain on and the passengers and flight attendants (FA) should remain seated for the entirety of the flight. As the flight was being vectored around severe convective activity on arrival into KCLT and approaching 12,000 feet, they encountered severe turbulence with downdrafts. The autopilot disconnected and the airplane descended below its assigned level off altitude. The first officer, who was the pilot flying, took manual control of the airplane and began climbing back to 12,000 feet. After exiting the turbulent conditions, the captain called the FA and was informed that one passenger had been injured. According to the FA, a passenger got up while the seatbelt sign was on and was in the lavatory when the turbulence was encountered. The passenger complained of back pain as she returned back to her seat after the event. Two medically qualified passengers assisted the injured passenger inflight. After landing, paramedics transported the injured passenger to the hospital where she was diagnosed with a fractured vertebrae. At the time of the flight’s arrival into KCLT, a SIGMET was active for imbedded thunderstorms and turbulence. 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).
- — Environmental issues-Conditions/weather/phenomena-Turbulence-Convective turbulence-Effect on personnel
Verbatim from NTSB's published report. Source file
NTSB_2021_DCA21LA109.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, thunderstorm). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.
- NASA NTRS 2019 · Contractor Report (CR)
An Examination of Aviation Accidents Associated with Turbulence, Wind Shear and Thunderstorm
The focal point of the study reported here was the definition and examination of turbulence, wind shear and thunderstorm in relation to aviation accidents.
- NASA NTRS 2019 · Reprint (Version printed in journal)
Observations of severe turbulence near thunderstorm tops
Data derived from the flight tapes of two airliners that experienced severe turbulence near thunderstorm tops are used to produce quantitative descriptions of the turbulence and its environment.
- NASA NTRS 2019 · Conference Proceedings
Operational evaluation of thunderstorm penetration test flights during project Storm Hazards '80
The National Aeronautics and Space Administration is conducting a research project called Storm Hazards '80 in order to study the prediction, detectability and avoidance of the hazards of severe storm…
- NASA NTRS 2019 · Reprint (Version printed in journal)
Severe Turbulence and Maneuvering from Airline Flight Records
Digital flight records from reported clear-air turbulence incidents are used to determine winds and turbulence, to determine maneuver g loads, and to analyze control problems.
- 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 ↗