# NTSB investigations: Pratt & Whitney Canada PT6A-34AG, 2025

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 CEN25LA274](https://openairdocs.org/ntsb/CEN25LA274.md): Air Tractor AT502 · Hastings, NE · Accident · No injuries · Class 4 · Limited · Final report · Jul 22, 2025 · N502KB · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines while maneuvering at low altitude.
- [NTSB CEN25LA267](https://openairdocs.org/ntsb/CEN25LA267.md): Air Tractor AT-402B · Wyoming, IL · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 15, 2025 · N647RA · Substantial damage
  > The pilot’s failure to attain a positive climb rate due to airplane’s improper takeoff configuration.
- [NTSB CEN25LA221](https://openairdocs.org/ntsb/CEN25LA221.md): Air Tractor AT-402B · Pierre, SD · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 24, 2025 · N107ML · Substantial damage
  > The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain.
- [NTSB CEN25LA219](https://openairdocs.org/ntsb/CEN25LA219.md): Air Tractor AT-502B · Charleston, MO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 23, 2025 · N114WL · Substantial damage
  > The pilot’s loss of control during the spray pass, which resulted in impact with vegetation and 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") = 2025
  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=2025

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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.