# NTSB investigations: Pratt & Whitney Canada PT6A-34AG, 2018

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 CEN18FA339](https://openairdocs.org/ntsb/CEN18FA339.md): Air Tractor AT502 · Bronson, MI · Accident · 1 fatal · Field investigation · Final report · Aug 18, 2018 · N502RL · Destroyed
  > The pilot's failure to maintain airspeed while maneuvering, which resulted in exceedance of the airplane's critical angle of attack, an aerodynamic stall, and loss of control at an altitude too low for recovery.
- [NTSB CEN18FA232](https://openairdocs.org/ntsb/CEN18FA232.md): Air Tractor AT 502B · Enid, OK · Accident · 1 fatal · Class 2 · Field · Final report · Jun 19, 2018 · N2063B · Destroyed
  > The pilot's failure to see and avoid a known obstacle (communications tower) during agricultural spraying operations.

## 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") = 2018
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52251'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52251&year=2018

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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.