# NTSB investigations: Boeing 777-222: 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 DCA27LA019](https://openairdocs.org/ntsb/DCA27LA019.md): Boeing 777-222 · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Class 4 · Limited · Investigation open · Oct 21, 2026 · N769UA · No damage
- [NTSB DCA24LA097](https://openairdocs.org/ntsb/DCA24LA097.md): Boeing 777-222ER · Kelsey, NY · Accident · Serious injuries · Class 3 · Limited · Final report · Feb 10, 2024 · N788UA · No damage
  > The airplane’s encounter with an unanticipated localized region of moderate-to-severe turbulence while in instrument meteorological conditions (IMC) associated with strong upper-level wind shear and convective cells. Contributing to the severity of the…
- [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 DCA12WA109](https://openairdocs.org/ntsb/DCA12WA109.md): Boeing 777-222 · Narita, Japan · Accident · Serious injuries · Foreign investigation · Jul 5, 2012 · N224UA · No damage
- [NTSB DCA10FA064](https://openairdocs.org/ntsb/DCA10FA064.md): Boeing 777 · Southern Tip of Greenland, Denmark · Accident · Serious injuries · Field investigation · Final report · May 25, 2010 · N794UA · No damage
  > An inadvertent encounter with unforecast turbulence in cruise flight.
- [NTSB DCA10FA012](https://openairdocs.org/ntsb/DCA10FA012.md): Boeing 777-200 · New Market, VA · Accident · Serious injuries · Field investigation · Final report · Nov 19, 2009 · N209UA · No damage
  > The flight crew’s inadvertent encounter with a small area of cumulous clouds at night that resulted in moderate to severe convectively induced turbulence.

## 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.aircraft_model_code IN ('1385219')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND 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?model=1385219

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