# Final NTSB investigations: Pratt & Whitney PW4056

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 DCA22LA038](https://openairdocs.org/ntsb/DCA22LA038.md): Boeing 747-4B5F · Miami, FL · Accident · No injuries · Class 4 · Limited · Final report · Nov 29, 2021 · N705CK · Substantial damage
  > Incorrect lubrication of the foreflap fitting assembly.
- [NTSB DCA20CA077](https://openairdocs.org/ntsb/DCA20CA077.md): Boeing 747 412 · Los Angeles, CA · Accident · No injuries · Class 4 · Data collection · Final report · Feb 3, 2020 · N703CK · Substantial damage
  > An unavoidable collision with a garbage dumpster that had blown into the path of the airplane during the takeoff roll.
- [NTSB DCA14IA016](https://openairdocs.org/ntsb/DCA14IA016.md): Boeing 747 - 409LCF · Wichita, KS · Incident · No injuries · Incident investigation · Final report · Nov 22, 2013 · N780BA · No damage
  > the flight crew's failure to properly identify the airport and runway of intended landing. Contributing to the incident was the flight crew's failure to follow company procedures for crosschecking navigational information and visual cues to verify the airport…

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('51665'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=51665&status=final

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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.