# Final NTSB investigations: Pratt & Whitney Canada PT6A-15AG

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 CEN25LA276](https://openairdocs.org/ntsb/CEN25LA276.md): Air Tractor AT-402A · Centralia, MO · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 22, 2025 · N1534D · Substantial damage
  > The pilot’s failure to maintain clearance from power lines during low-level maneuvering.
- [NTSB CEN23LA336](https://openairdocs.org/ntsb/CEN23LA336.md): Air Tractor AT-402B · Alta, IA · Accident · No injuries · Class 4 · Limited · Final report · Jul 29, 2023 · N402PR · Substantial damage
  > The airplane’s encounter with a dust devil, which resulted in a loss of lift, and subsequent collision with powerlines.
- [NTSB CEN23LA324](https://openairdocs.org/ntsb/CEN23LA324.md): Air Tractor AT-402B · Clara City, MN · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 25, 2023 · N291DL · Substantial damage
  > The pilot’s failure to maintain clearance from a transmission line during an aerial application flight.
- [NTSB CEN21LA148](https://openairdocs.org/ntsb/CEN21LA148.md): Air Tractor AT-402B · Moorhead, MS · Accident · No injuries · Class 4 · Limited · Final report · Mar 5, 2021 · N41068 · Substantial damage
  > The pilot did not maintain clearance from a powerline during an aerial application flight.
- [NTSB GAA19CA163](https://openairdocs.org/ntsb/GAA19CA163.md): Air Tractor AT 400A · Parma, ID · Accident · No injuries · Data collection · Final report · Mar 11, 2019 · N400DQ · Substantial damage
  > The pilot's failure to maintain directional control during landing in variable wind conditions, which resulted in the right wing impacting muddy terrain.
- [NTSB GAA15CA251](https://openairdocs.org/ntsb/GAA15CA251.md): Air Tractor AT 402A · Fort Pierre, SD · Accident · Minor injuries · Data collection · Final report · Sep 4, 2015 · N321DA · Substantial damage
  > The pilot's failure to maintain obstacle clearance, which resulted in the airplane striking guy-wires during aerial application operations.
- [NTSB CEN14CA314](https://openairdocs.org/ntsb/CEN14CA314.md): Air Tractor AT 402B · Newport, AR · Accident · Minor injuries · Data collection · Final report · Jun 21, 2014 · N428JJ · Substantial damage
  > The pilot misjudged his altitude which resulted in the airplane contacting a wire during the low altitude aerial application maneuver.
- [NTSB ERA13CA033](https://openairdocs.org/ntsb/ERA13CA033.md): Air Tractor AT-502B · Newton, GA · Accident · No injuries · Data collection · Final report · Oct 20, 2012 · N502PB · Substantial damage
  > The pilot’s failure to maintain clearance from power lines while maneuvering, which resulted in a hard forced landing.
- [NTSB CEN12LA453](https://openairdocs.org/ntsb/CEN12LA453.md): Air Tractor AT-402B · Britt, IA · Accident · 1 fatal · Limited investigation · Final report · Jul 17, 2012 · N4843J · Substantial damage
  > The pilot’s failure to maintain clearance from power transmission lines during an agricultural application operation. Contributing to the accident was the pilot’s distracted attention due to personal cell phone use during flight operations.
- [NTSB ERA10LA450](https://openairdocs.org/ntsb/ERA10LA450.md): Air Tractor AT402 · Pompano Beach, FL · Accident · No injuries · Limited investigation · Final report · Aug 28, 2010 · N4172U · Substantial damage
  > The pilot's delayed decision to abort the takeoff, which resulted in a runway overrun and a subsequent collision with obstacles and terrain. Contributing to the accident was the airplane's high gross weight.
- [NTSB DFW07CA151](https://openairdocs.org/ntsb/DFW07CA151.md): Air Tractor AT-402B · Eldorado, TX · Accident · No injuries · Data collection · Final report · Jul 7, 2007 · N712GS · Substantial damage
  > The loss of engine power as result of water contamination due to a faulty seal on the refuel tank port. A contributing factor was t he lack of suitable terrain for the forced landing.

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52246'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52246&status=final

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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.