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

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 CEN16LA154](https://openairdocs.org/ntsb/CEN16LA154.md): Air Tractor AT 502 · Kilbourne, LA · Accident · 1 fatal · Class 3 · Limited · Final report · Apr 18, 2016 · N301LA · Destroyed
  > The failure of the operator to comply with the terminating action of the airworthiness directive, which resulted in the subsequent failure and separation of the vertical stabilizer due to fatigue.
- [NTSB CEN15LA222](https://openairdocs.org/ntsb/CEN15LA222.md): Air Tractor AT 502B · Basile, LA · Accident · 1 fatal · Limited investigation · Final report · May 5, 2015 · N4221G · Destroyed
  > The pilot’ failure to maintain adequate clearance from trees while maneuvering during an aerial application flight.
- [NTSB DFW05LA182](https://openairdocs.org/ntsb/DFW05LA182.md): Ayres S2R-T34 · Bonita, LA · Accident · No injuries · Limited investigation · Final report · Jul 14, 2005 · N61220 · 2 aircraft · Substantial damage
  > The failure of the pilot to maintain adequate visual lookout, which resulted in a midair collision.

## 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" = 'LA' 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 ('52251'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.