# NTSB investigations: CFM International CFM56-7B24 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 DCA25LA323](https://openairdocs.org/ntsb/DCA25LA323.md): Boeing 737-7H4 · Port Orange, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 12, 2025 · N919WN · No damage
  > An encounter with convective turbulence during descent, which resulted in serious injuries to a flight attendant.
- [NTSB DCA24FA143](https://openairdocs.org/ntsb/DCA24FA143.md): Boeing 737-7CT · Gulf of America (Gulf of Mexico) · Accident · Serious injuries · Class 3 · Field · Final report · Apr 3, 2024 · N567WN · No damage
  > The pilot’s inadvertent encounter with convectively induced turbulence from a broken line of embedded thunderstorms moving across the region. Contributing to the accident was the failure of the air traffic controller to issue pertinent weather information…
- [NTSB DCA23LA383](https://openairdocs.org/ntsb/DCA23LA383.md): Boeing 737 · East Palestine, OH · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 24, 2023 · N279WN · No damage
  > An inadvertent encounter with convectively induced turbulence (CIT) during descent.
- [NTSB DCA23LA008](https://openairdocs.org/ntsb/DCA23LA008.md): Boeing 737 · Denver, CO · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 29, 2022 · N7881A · No damage
  > An encounter with clear air turbulence during cruise flight.
- [NTSB DCA22LA001](https://openairdocs.org/ntsb/DCA22LA001.md): Boeing 737-7H4 · Orlando, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 5, 2020 · N254WN · No damage
  > An encounter with moderate turbulence during descent.
- [NTSB DCA19CA207](https://openairdocs.org/ntsb/DCA19CA207.md): Boeing 737 · Albany, NY · Accident · Serious injuries · Class 4 · Data collection · Final report · Oct 15, 2018 · N7816B · No damage
  > an encounter with convective turbulence that resulted in a serious injury to a flight attendant.
- [NTSB WPR12LA144](https://openairdocs.org/ntsb/WPR12LA144.md): Boeing 737-7H4 · Laverne, OK · Accident · Serious injuries · Limited investigation · Final report · Mar 20, 2012 · N247WN · No damage
  > The airplane’s encounter with severe turbulence during cruise flight, which resulted in a serious injury to a flight attendant.
- [NTSB WPR12LA119](https://openairdocs.org/ntsb/WPR12LA119.md): Boeing 737-7H4 · Pawnee, NE · Accident · Serious injuries · Limited investigation · Final report · Feb 23, 2012 · N915WN · No damage
  > The airplane's encounter with moderate turbulence during cruise flight, which resulted in a serious injury to a flight attendant.
- [NTSB WPR12LA053](https://openairdocs.org/ntsb/WPR12LA053.md): Boeing 737-7H4 · Oakland, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 2011 · N261WN · No damage
  > The flight crew’s flight into known severe turbulence associated with mountain wave activity.

## 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 ('13044')
    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=13044

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