# Fatal NTSB investigations: Pratt & Whitney Canada PT6A-140

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 WPR26LA219](https://openairdocs.org/ntsb/WPR26LA219.md): Cessna 208B · Marana, AZ · Accident · 1 fatal · Class 4 · Limited · Investigation open · Jun 13, 2026 · N593EX · No damage
- [NTSB ANC25MA018](https://openairdocs.org/ntsb/ANC25MA018.md): Textron 208B · Nome, AK · Accident · 10 fatal · Class 1 · Major · Final report · Feb 6, 2025 · N321BA · Destroyed
  > The National Transportation Safety Board determines that the probable cause of this accident was the pilot’s inadequate airspeed management due to workload and degraded situation awareness and his improper inputs leading up to and during the aerodynamic…
- [NTSB WPR23FA034](https://openairdocs.org/ntsb/WPR23FA034.md): Textron 208B · Snohomish, WA · Accident · 4 fatal · Class 2 · Field · Final report · Nov 18, 2022 · N2069B · Substantial damage
  > The pilot’s improper recovery following a departure from controlled flight after an intentional aerodynamic stall, which resulted in an exceedance of airspeed limitations, airframe overstress, and a subsequent inflight breakup.
- [NTSB ANC16FA061](https://openairdocs.org/ntsb/ANC16FA061.md): Cessna 208 · Russian Mission, AK · Accident · 5 fatal · Field investigation · Final report · Aug 31, 2016 · N752RV · 2 aircraft · Destroyed
  > The failure of both pilots to see and avoid each other while in level cruise flight, 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('51499'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=51499&fatal=1

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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.