# NTSB investigations: CFM International CFM56 series: Turbulence encounter

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB DCA25LA240](https://openairdocs.org/ntsb/DCA25LA240.md): Airbus Industrie A321-211 · Miami, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 22, 2025 · N189UW · No damage
  > The unexpected encounter with a rapidly developing convective cell during climb resulting in convectively induced turbulence on a dark moon-less evening.
- [NTSB DCA25LA190](https://openairdocs.org/ntsb/DCA25LA190.md): Boeing 737-7H4 · Tahlequah, OK · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 20, 2025 · N461WN · No damage
  > The airplane’s encounter with moderate turbulence during descent.
- [NTSB DCA24LA256](https://openairdocs.org/ntsb/DCA24LA256.md): Boeing 737 · Severn, MD · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 7, 2024 · N226WN · No damage
  > A passenger’s failure to comply with crew member instructions to remain seated with seatbelt fastened.
- [NTSB DCA24LA124](https://openairdocs.org/ntsb/DCA24LA124.md): Boeing 737 · Aylett, VA · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 9, 2024 · N411WN · No damage
  > An encounter with clear air turbulence during descent.
- [NTSB DCA23LA170](https://openairdocs.org/ntsb/DCA23LA170.md): Boeing 737 · Rushville, IN · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 11, 2023 · N944AN · No damage
  > An encounter with clear air turbulence during descent.
- [NTSB DCA22LA188](https://openairdocs.org/ntsb/DCA22LA188.md): Boeing 737-824 · Pharisburg, OH · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 19, 2022 · N73270 · No damage
  > The airplane’s inadvertent encounter with convective turbulence.
- [NTSB DCA19CA091](https://openairdocs.org/ntsb/DCA19CA091.md): Boeing 737 · Franklin, TN · Accident · Serious injuries · Class 4 · Data collection · Final report · Feb 18, 2019 · N3730B · No damage
  > an encounter with convective turbulence during descent.
- [NTSB DCA18CA316](https://openairdocs.org/ntsb/DCA18CA316.md): Airbus A319 · West Palm Beach, FL · Accident · Serious injuries · Class 4 · Data collection · Final report · Jul 23, 2018 · N328NB · No damage
  > An inadvertent encounter with convective turbulence.
- [NTSB DCA17CA042](https://openairdocs.org/ntsb/DCA17CA042.md): Boeing 737 824 · Denver, CO · Accident · Serious injuries · Data collection · Final report · Dec 14, 2016 · N24202 · No damage
  > An inadvertent encounter with mountain wave turbulence.
- [NTSB DCA16CA214](https://openairdocs.org/ntsb/DCA16CA214.md): Boeing 737 924 · Waco, TX · Accident · Serious injuries · Data collection · Final report · Aug 17, 2016 · N37408 · No damage
  > an encounter with convective turbulence.
- [NTSB DCA16CA153](https://openairdocs.org/ntsb/DCA16CA153.md): Airbus Industrie A320 214 · Philadelphia, PA · Accident · Serious injuries · Data collection · Final report · May 14, 2016 · N103US · No damage
  > an inadvertent encounter with clear air turbulence that resulted in a serious injury to a flight attendant.
- [NTSB DCA16CA077](https://openairdocs.org/ntsb/DCA16CA077.md): Boeing 737 7H4 · Titusville, FL · Accident · Serious injuries · Data collection · Final report · Jan 28, 2016 · N718SW · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA16CA026](https://openairdocs.org/ntsb/DCA16CA026.md): Boeing 737 7H4 · St Louis, MO · Accident · Serious injuries · Data collection · Final report · Nov 29, 2015 · N467WN · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA16CA023](https://openairdocs.org/ntsb/DCA16CA023.md): Airbus Industrie A319 112 · Philadelphia, PA · Accident · Serious injuries · Data collection · Final report · Nov 23, 2015 · N725UW · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB OPS15IA020](https://openairdocs.org/ntsb/OPS15IA020.md): Airbus Industrie A320 211 · Max, NE · Incident · No injuries · Incident investigation · Final report · Aug 8, 2015 · N332NW · Minor damage
  > The flight crew's continued flight into a closing gap between areas of thunderstorm activity and their failure to maintain the required lateral separation from the thunderstorms, which resulted in the airplane's encounter with hail and subsequent airplane…
- [NTSB DCA15CA050](https://openairdocs.org/ntsb/DCA15CA050.md): Boeing 737 7H4 · San Jose, CA · Accident · Serious injuries · Data collection · Final report · Dec 11, 2014 · N481WN · No damage
  > an inadvertent encounter with convective turbulence during descent.
- [NTSB DCA15CA035](https://openairdocs.org/ntsb/DCA15CA035.md): Boeing 737 824 · Valdosta, GA · Accident · Serious injuries · Data collection · Final report · Nov 24, 2014 · N16217 · No damage
  > an inadvertent encounter with clear air turbulence while the flight attendants were returning to their seats.
- [NTSB DCA14LA060](https://openairdocs.org/ntsb/DCA14LA060.md): Boeing 737 · Kaycee, WY · Accident · Serious injuries · Limited investigation · Final report · Feb 17, 2014 · N23708 · No damage
  > an encounter with severe mountain wave turbulence during cruise flight.
- [NTSB DCA12LA091](https://openairdocs.org/ntsb/DCA12LA091.md): Boeing 737-724 · Winnie, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 13, 2012 · N16709 · No damage
  > the flight crew's penetration of a rapidly developing thunderstorm cell in an area of forecasted convective activity. The serious injuries were the result of a misunderstanding between the captain and cabin crew regarding the potential for turbulence.
- [NTSB DCA12CA088](https://openairdocs.org/ntsb/DCA12CA088.md): Airbus Industrie A320-212 · Minneapolis, MN · Accident · Serious injuries · Data collection · Final report · Jun 11, 2012 · N352NW · No damage
  > Inadvertent encounter with convective turbulence while in descent.
- [NTSB DCA12FA046](https://openairdocs.org/ntsb/DCA12FA046.md): Airbus A321 · Millville, NJ · Accident · Serious injuries · Field investigation · Final report · Feb 24, 2012 · N162UW · No damage
  > an encounter with convective turbulence that resulted in injury to a passenger who was not seated when the seatbelt sign was illuminated.
- [NTSB CEN12LA166](https://openairdocs.org/ntsb/CEN12LA166.md): Boeing 737-832 · Detroit, MI · Accident · Serious injuries · Limited investigation · Final report · Feb 19, 2012 · N374DA · No damage
  > An in-flight encounter with forecasted turbulence, which resulted in a serious injury to a flight attendant. Contributing to the accident was the flight attendant not being seated with her seatbelt fastened when the encounter occurred.
- [NTSB ERA10CA174](https://openairdocs.org/ntsb/ERA10CA174.md): Airbus Industrie A319-100 · Titusville, FL · Accident · Serious injuries · Data collection · Final report · Mar 11, 2010 · N319NB · No damage
  > An inadvertent in-flight encounter with turbulence, resulting in an injury to a cabin attendant.
- [NTSB CEN09LA256](https://openairdocs.org/ntsb/CEN09LA256.md): Boeing 737-724 · McAllen, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 18, 2009 · N27722 · No damage
  > The injured passenger's failure to comply with the requirement to remain seated with a fastened seatbelt.
- [NTSB NYC08CA156](https://openairdocs.org/ntsb/NYC08CA156.md): Boeing 737-823 · Miami, FL · Accident · Serious injuries · Data collection · Final report · Apr 7, 2008 · N947AN · No damage
  > An unexpected encounter with turbulence, during the initial descent for landing.
- [NTSB LAX08IA065](https://openairdocs.org/ntsb/LAX08IA065.md): Boeing 737-300 · Las Vegas, NV · Incident · Minor injuries · Incident investigation · Final report · Feb 24, 2008 · N648SW · No damage
  > An inadvertent encounter with severe turbulence during descent and the failure of two passenger seat belt attach fittings. Contributing to the incident was the failure of the operator to comply with the SAIB.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '360'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/360/cases?engine=13802

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.