# NTSB investigations: Pratt & Whitney Canada PT6A-65AG, 2017

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 GAA17CA454](https://openairdocs.org/ntsb/GAA17CA454.md): Air Tractor AT 802 · Trumann, AR · Accident · Serious injuries · Data collection · Final report · Jul 25, 2017 · N802DL · Substantial damage
  > The pilot’s improper decision to continue flight in deteriorating weather conditions, which resulted in collision with the ground.
- [NTSB GAA17CA323](https://openairdocs.org/ntsb/GAA17CA323.md): Air Tractor AT 802 · Prosser, WA · Accident · No injuries · Data collection · Final report · Jun 5, 2017 · N802NB · Substantial damage
  > The pilot’s abrupt maneuver to avoid hay bales during the takeoff roll, which resulted in a loss of directional control.
- [NTSB CEN17FA170](https://openairdocs.org/ntsb/CEN17FA170.md): Air Tractor AT 602 · Hollis, OK · Accident · 1 fatal · Field investigation · Final report · Apr 28, 2017 · N604RH · Substantial damage
  > An impact with terrain during final approach for reasons that could not be determined because no evidence of an in-flight failure or malfunction was observed.
- [NTSB GAA17CA117](https://openairdocs.org/ntsb/GAA17CA117.md): Air Tractor AT 802 · Vernon, UT · Accident · No injuries · Data collection · Final report · Jan 17, 2017 · N20361 · Substantial damage
  > The pilot’s failure to maintain clearance from mountainous terrain.

## 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") = 2017
  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&year=2017

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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.