# NTSB investigations: Pratt & Whitney Canada PT6A-65AG, TX

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 GAA19CA535](https://openairdocs.org/ntsb/GAA19CA535.md): Air Tractor AT 602 · Turkey, TX · Accident · Minor injuries · Data collection · Final report · Sep 8, 2019 · N602SS · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack during a low pass, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB GAA15CA023](https://openairdocs.org/ntsb/GAA15CA023.md): Air Tractor AT 602 · Ropesville, TX · Accident · No injuries · Data collection · Final report · Mar 27, 2015 · N20062 · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB CEN15LA138](https://openairdocs.org/ntsb/CEN15LA138.md): Air Tractor AT 602 · Slaton, TX · Accident · No injuries · Limited investigation · Final report · Feb 5, 2015 · N602PB · Substantial damage
  > Maintenance personnel’s improper installation of the engine data monitor (EDM), which was not in accordance with the supplemental type certificate instructions and resulted in engine warning indications and the pilot’s subsequent reaction to the warning…

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52109'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52109&state=TX

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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.