# NTSB investigations: Pratt & Whitney PT6A series: Unknown or undetermined

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 WPR26LA205](https://openairdocs.org/ntsb/WPR26LA205.md): Cessna 208B · Shelton, WA · Accident · Serious injuries · Class 4 · Limited · Investigation open · May 29, 2026 · N661WA · Substantial damage
- [NTSB GAA23WA099](https://openairdocs.org/ntsb/GAA23WA099.md): Cessna 208B · Puente de Ixtla, Mexico · Accident · No injuries · Class 5 · Foreign · Feb 10, 2023 · N9634B · Substantial damage
- [NTSB ERA22LA302](https://openairdocs.org/ntsb/ERA22LA302.md): Air Tractor AT-502B · Center Cross, VA · Accident · No injuries · Class 3 · Limited · Final report · Jul 8, 2022 · N50075 · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB GAA22WA137](https://openairdocs.org/ntsb/GAA22WA137.md): Beech C90A · Temixco, Mexico · Accident · 3 fatal · Class 5 · Foreign · Mar 30, 2022 · N426EM · Substantial damage
- [NTSB CEN21FA270](https://openairdocs.org/ntsb/CEN21FA270.md): Air Tractor 502B · Paragould, AR · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N6088K · Destroyed
  > An inflight loss of control and subsequent impact with terrain during an aerial application flight for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA004](https://openairdocs.org/ntsb/CEN21LA004.md): Piper PA46 · Lake Elmo, MN · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 2, 2020 · N62ZM · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB DCA15RA018](https://openairdocs.org/ntsb/DCA15RA018.md): Short Bros Shorts SD3 60 · Sint Maartin -Juliana, NT · Accident · 2 fatal · Foreign investigation · Oct 29, 2014 · N380MQ · Destroyed
  > import
- [NTSB WPR12TA445](https://openairdocs.org/ntsb/WPR12TA445.md): Beech C90 · Boise, ID · Accident · No injuries · Final report · May 10, 2012 · N14CP · Substantial damage
  > Excessive loading on the left wing, which occurred over a period of time. Contributing to the accident was maintenance personnel’s failure to adequately inspect and document the left wing damage.
- [NTSB ERA11WA090](https://openairdocs.org/ntsb/ERA11WA090.md): Hawker Beechcraft TC-45J · Nassau, Bahamas · Accident · 2 fatal · Foreign investigation · Dec 14, 2010 · N38L · Destroyed
  > On December 14, 2010, about 1442 eastern standard time, a Hawker Beechcraft TC-45J, N38L, registered to and operated by Monarch Air Group, impacted ocean waters about 7 miles southwest of Lynden Pindling International Airport (MYNN), Nassau, Bahamas. The…
- [NTSB ERA09WA037](https://openairdocs.org/ntsb/ERA09WA037.md): Beech 65A90 · Timehri, Guyana · Accident · 3 fatal · Foreign investigation · Nov 1, 2008 · N87V · No damage
- [NTSB ERA09WA028](https://openairdocs.org/ntsb/ERA09WA028.md): Hawker-Beechcraft 100 · Bauru, Brazil · Accident · 1 fatal · Class 5 · Foreign · Oct 12, 2008 · N525ZS · Destroyed

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/000/cases?engine=52032

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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.