# NTSB investigations, 2023: 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 CEN24FA049](https://openairdocs.org/ntsb/CEN24FA049.md): MD Helicopters 600 · Sterling City, TX · Accident · 2 fatal · Class 3 · Field · Final report · Nov 29, 2023 · N745MB · Substantial damage
  > The pilot’s failure to maintain clearance from a power line pole’s static arm during forecasted gusting wind conditions, un-forecasted light turbulence, and un-forecasted low-level wind shear conditions, resulting in main rotor blade contact with the static…
- [NTSB DCA23LA465](https://openairdocs.org/ntsb/DCA23LA465.md): Boeing 787-8 · Lake Erie Beach, NY · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 28, 2023 · N804AN · No damage
  > Malfunctioning brakes on a service cart.
- [NTSB DCA23LA462](https://openairdocs.org/ntsb/DCA23LA462.md): Airbus A320-232 · Caribbean Sea (Atlantic Ocean) · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 25, 2023 · N569JB · No damage
  > An inadvertent encounter with convectively induced turbulence during cruise that was not depicted by the airplane’s weather radar system.
- [NTSB DCA23LA445](https://openairdocs.org/ntsb/DCA23LA445.md): Boeing 737-9 · Hebron, KY · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 7, 2023 · N37531 · No damage
  > An inadvertent encounter with convectively induced turbulence (CIT) during descent.
- [NTSB DCA23FA428](https://openairdocs.org/ntsb/DCA23FA428.md): Airbus A350-941 · Atlanta, GA · Accident · Serious injuries · Class 3 · Field · Final report · Aug 29, 2023 · N576DZ · Minor damage
  > The flight crew’s unintentional encounter with rapidly developing cumulus clouds which resulted in an encounter with severe convectively induced turbulence.
- [NTSB DCA23LA421](https://openairdocs.org/ntsb/DCA23LA421.md): Boeing 777-222 · Over the (Atlantic Ocean) · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 18, 2023 · N209UA · No damage
  > An inadvertent encounter with clear air turbulence during cruise flight.
- [NTSB DCA23LA411](https://openairdocs.org/ntsb/DCA23LA411.md): Embraer ERJ170 · Eleroy, IL · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 14, 2023 · N776MS · No damage
  > An encounter with clear air turbulence.
- [NTSB DCA23LA382](https://openairdocs.org/ntsb/DCA23LA382.md): Boeing 737-924ER · Myrtle Beach (Atlantic Ocean) · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 28, 2023 · N77431 · No damage
  > An encounter with convectively induced turbulence (CIT) while in cruise flight.
- [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 DCA23LA378](https://openairdocs.org/ntsb/DCA23LA378.md): Airbus A320-214 · Inverness, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 12, 2023 · N249NV · No damage
  > An inadvertent encounter with convectively induced turbulence during descent.
- [NTSB DCA23WA350](https://openairdocs.org/ntsb/DCA23WA350.md): Boeing 777 · China · Occurrence · Class 5 · Foreign · Jun 28, 2023 · G-YMML · No damage
- [NTSB DCA23WA328](https://openairdocs.org/ntsb/DCA23WA328.md): Boeing 777 · Singapore, Singapore · Accident · Serious injuries · Class 5 · Foreign · Jun 15, 2023 · G-STBL · No damage
- [NTSB DCA23LA305](https://openairdocs.org/ntsb/DCA23LA305.md): Boeing 737-924ER · Chicago, IL · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 1, 2023 · N28457 · No damage
  > An encounter with convectively-induced turbulence (CIT).
- [NTSB DCA23LA304](https://openairdocs.org/ntsb/DCA23LA304.md): Airbus Industrie A320-232 · Houston, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 1, 2023 · N479UA · No damage
  > An encounter with convectively-induced turbulence (CIT).
- [NTSB DCA23WA292](https://openairdocs.org/ntsb/DCA23WA292.md): Boeing 777 · Bangkok, Thailand · Incident · Serious injuries · Class 5 · Foreign · May 10, 2023 · A7-BAN · No damage
- [NTSB DCA23LA252](https://openairdocs.org/ntsb/DCA23LA252.md): Boeing 777-223 · Atlantic Ocean (Atlantic Ocean) · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 22, 2023 · N770AN · No damage
  > An encounter with inadvertent convective turbulence during cruise flight.
- [NTSB DCA23WA236](https://openairdocs.org/ntsb/DCA23WA236.md): Boeing 777 · Incheon, South Korea · Accident · Serious injuries · Class 5 · Foreign · Mar 22, 2023 · HL8254 · No damage
- [NTSB WPR23FA137](https://openairdocs.org/ntsb/WPR23FA137.md): Cessna 182S · Alcova, WY · Accident · 1 fatal · Class 3 · Field · Final report · Mar 21, 2023 · N314FR · Substantial damage
  > The airplane’s encounter with low level wind shear associated with moderate turbulence, which resulted in a loss of airplane control.
- [NTSB DCA23LA213](https://openairdocs.org/ntsb/DCA23LA213.md): Boeing 777-224 · Sacramento, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 21, 2023 · N79011 · No damage
  > An encounter with forecast convective turbulence during climb.
- [NTSB DCA23LA196](https://openairdocs.org/ntsb/DCA23LA196.md): Airbus A320-251N · Dallas, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 2, 2023 · N366FR · No damage
  > The flight’s encounter with convective turbulence.
- [NTSB DCA23LA175](https://openairdocs.org/ntsb/DCA23LA175.md): Airbus A319-132 · New Orleans, LA · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 16, 2023 · N505NK · No damage
  > The flight’s encounter with convective turbulence.
- [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 DCA23LA477](https://openairdocs.org/ntsb/DCA23LA477.md): Boeing 757 · Lake Butler, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Feb 10, 2023 · N13138 · No damage
  > An inadvertent encounter with convectively induced turbulence.
- [NTSB DCA23WA313](https://openairdocs.org/ntsb/DCA23WA313.md): Airbus A330 · Grand Anse Village, Seychelles · Incident · Serious injuries · Class 5 · Foreign · Feb 3, 2023 · D-ANRA
- [NTSB WPR23LA099](https://openairdocs.org/ntsb/WPR23LA099.md): Beech C23 · Rich County, UT · Accident · No injuries · Class 4 · Limited · Final report · Jan 25, 2023 · N23FD · Substantial damage
  > The pilot’s inability to maintain altitude following an encounter with turbulence and adverse wind conditions.

## 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 year(c."eventDate") = 2023
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '360' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/360/sequence?year=2023

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