# NTSB investigations: Pratt & Whitney PW4000 series: Clear air 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 DCA14CA014](https://openairdocs.org/ntsb/DCA14CA014.md): Boeing 767 322 · Houston, TX · Accident · Serious injuries · Data collection · Final report · Oct 18, 2013 · N665UA · No damage
  > The airplane's inadvertent encounter with clear air turbulence during cruise flight, which resulted in a serious injury to a flight attendant.
- [NTSB DCA10FA076](https://openairdocs.org/ntsb/DCA10FA076.md): Boeing 767 · Pacific Ocean (Pacific Ocean) · Accident · Serious injuries · Field investigation · Final report · Jul 15, 2010 · N184DN · No damage
  > an inadvertent encounter with clear air turbulence.
- [NTSB DCA10CA032](https://openairdocs.org/ntsb/DCA10CA032.md): Boeing 747 · Anchorage, AK · Accident · Serious injuries · Data collection · Final report · Feb 19, 2010 · N173UA · Minor damage
  > an inadvertent encounter with clear air 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.engine_model_code IN ('52119')
    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" = '362'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/362/cases?engine=52119

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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.