# NTSB investigations: Pratt & Whitney PW4000 series, 2011

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 ENG12IA003](https://openairdocs.org/ntsb/ENG12IA003.md): Boeing 747-451 · Detroit, MI · Incident · No injuries · Incident investigation · Final report · Oct 23, 2011 · N661US · Minor damage
  > The penetration of turbine blade fragments through the rear turbine case, which punctured the No. 4 bearing oil pressure supply tube, allowing misted oil to contact the hot engine case and ignite the undercowl fire. Contributing to the incident was the…
- [NTSB DCA11FA091](https://openairdocs.org/ntsb/DCA11FA091.md): Boeing 747-422 · Tangshan, China · Accident · Serious injuries · Field investigation · Final report · Jul 29, 2011 · N173UA · No damage
  > an inadvertent encounter with convectively induced turbulence likely due to radar limitations and convective weather developing upwards into the flight path.
- [NTSB DCA11CA084](https://openairdocs.org/ntsb/DCA11CA084.md): Bombardier CL600 2D24 · Boston, MA · Accident · No injuries · Data collection · Final report · Jul 14, 2011 · N132EV · 2 aircraft · Substantial damage
  > the B767 Captain's failure to maintain a safe clearance between his wing and the tail of the CRJ900 that was stopped on a taxiway.
- [NTSB ERA11LA266](https://openairdocs.org/ntsb/ERA11LA266.md): Airbus A330-323 · New York, NY · Accident · Serious injuries · Limited investigation · Final report · Apr 25, 2011 · N807NW · No damage
  > The flight attendant's inadvertent fall, which resulted in a serious injury.

## 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") = 2011
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52119'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52119&year=2011

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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.