# NTSB investigations, 2021: 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 CEN22FA035](https://openairdocs.org/ntsb/CEN22FA035.md): Air Tractor AT-802A · Estes Park, CO · Accident · 1 fatal · Class 3 · Field · Final report · Nov 17, 2021 · N802NZ · Substantial damage
  > The airplane’s encounter with severe to extreme turbulence associated with mountain wave rotor cloud activity, which resulted in loss of airplane control.
- [NTSB DCA22LA012](https://openairdocs.org/ntsb/DCA22LA012.md): Boeing 737-8H4 · Lexington, VA · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 9, 2021 · N8642E · No damage
  > The airplane’s inadvertent encounter with convective turbulence.
- [NTSB DCA21LA209](https://openairdocs.org/ntsb/DCA21LA209.md): Airbus 319-132 · Chicago, IL · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 21, 2021 · N806AW · No damage
  > An encounter with clear air turbulence.
- [NTSB DCA21WA187](https://openairdocs.org/ntsb/DCA21WA187.md): Boeing 737 · Nice, Italy · Accident · Serious injuries · Class 5 · Foreign · Jul 25, 2021 · SE-RPE · No damage
- [NTSB DCA21LA176](https://openairdocs.org/ntsb/DCA21LA176.md): Airbus A321-231 · Miami, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 5, 2021 · N156AN · No damage
  > an inadvertent encounter with convective turbulence.
- [NTSB DCA21LA164](https://openairdocs.org/ntsb/DCA21LA164.md): Airbus A321-231 · New Orleans, LA · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 25, 2021 · N926UW · No damage
  > An inadvertent encounter with severe turbulence during cruise flight that caused a flight attendant to fall and fracture his ankle.
- [NTSB DCA21WA152](https://openairdocs.org/ntsb/DCA21WA152.md): Boeing 737 · Kolkata, India · Accident · Serious injuries · Class 5 · Foreign · Jun 7, 2021 · VT-TGE · No damage
- [NTSB ANC21LA043](https://openairdocs.org/ntsb/ANC21LA043.md): Cessna 182K · Cordova, AK · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2021 · N2761Q · Substantial damage
  > An encounter with mountain wave turbulence and windshear that exceeded the climb capability of the airplane and resulted in impact with terrain.
- [NTSB DCA21WA143](https://openairdocs.org/ntsb/DCA21WA143.md): Boeing 767 · Yesan, South Korea · Accident · Serious injuries · Class 5 · Foreign · May 28, 2021 · HL7528 · No damage
- [NTSB DCA21LA109](https://openairdocs.org/ntsb/DCA21LA109.md): Embraer EMB-145LR · Charlotte, NC · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 28, 2021 · N650AE · No damage
  > an encounter with convective turbulence during descent.
- [NTSB CEN21LA170](https://openairdocs.org/ntsb/CEN21LA170.md): Cirrus Design SR20 · Boerne, TX · Accident · No injuries · Class 4 · Limited · Final report · Mar 27, 2021 · N689PG · Substantial damage
  > The pilot’s failure to maintain control of the airplane during a full stop landing and the subsequent attempted go-around in turbulent conditions.
- [NTSB DCA21LA095](https://openairdocs.org/ntsb/DCA21LA095.md): Boeing 777-223 · Fort Worth, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 15, 2021 · N789AN · No damage
  > an encounter with clear air turbulence during approach
- [NTSB WPR21LA111](https://openairdocs.org/ntsb/WPR21LA111.md): Piper PA46R-350T · Tehachapi, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Feb 14, 2021 · N40TS · Destroyed
  > The pilot’s encounter with mountain wave activity with severe turbulence, which resulted in a loss of airplane control. Contributing to the accident was the pilot’s failure to obtain a preflight weather briefing.
- [NTSB ERA21LA115](https://openairdocs.org/ntsb/ERA21LA115.md): Beech 300 · Myrtle Beach, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Jan 14, 2021 · N862UP · No damage
  > An encounter with severe turbulence, which resulted in serious injury to an unseated passenger.

## 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") = 2021
  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=2021

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