# NTSB investigations: Pratt & Whitney Canada JT15D-4 series, 2014

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 ERA15IA008](https://openairdocs.org/ntsb/ERA15IA008.md): Cessna S550 · Tampa, FL · Incident · No injuries · Incident investigation · Final report · Oct 4, 2014 · N550AJ · No damage
  > The lack of flat roller bearings in the two elevator trim tab actuators and maintenance personnel’s inadequate lubrication of the left elevator trim tab actuator, both of which resulted in the overstress fracture of the left internal screw and subsequent…
- [NTSB CEN14WA216](https://openairdocs.org/ntsb/CEN14WA216.md): Cessna 501 · Trier-Föhren Airport, Germany · Accident · 4 fatal · Foreign investigation · Jan 12, 2014 · N452TS · Destroyed
  > On January 12, 2014, approximately 1200 universal coordinated time, a Cessna 501 Citation I SP airplane, US registration N452TS, was destroyed when it impacted terrain about 2.5 nautical miles from runway 22, Trier-Fohren Airport, Germany. The pilot,…

## 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") = 2014
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52112'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52112&year=2014

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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.