# NTSB investigations: Pratt & Whitney Canada JT15D-4 series, 2023

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 WPR23FA257](https://openairdocs.org/ntsb/WPR23FA257.md): Cessna 550 · Murrieta, CA · Accident · 6 fatal · Class 3 · Field · Final report · Jul 8, 2023 · N819KR · Destroyed
  > The flight crew’s decision to descend below the decision altitude of an instrument approach without having the appropriate runway visual reference(s) distinctively identified and with the visibility below the minimum that was prescribed for the approach,…
- [NTSB CEN23LA148](https://openairdocs.org/ntsb/CEN23LA148.md): Cessna 550 · Oklahoma City, OK · Accident · No injuries · Class 4 · Limited · Final report · Mar 27, 2023 · N550DW · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard, bounced landing, runway excursion, and subsequent collision with a runway sign. Contributing to the accident was the pilot’s lack of experience in the airplane, the unstabilized approach, and…

## 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") = 2023
  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=2023

---
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.