# NTSB investigations: Pratt & Whitney Canada PT6A-140, AK

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 ANC26LA062](https://openairdocs.org/ntsb/ANC26LA062.md): Textron 208B · Wiseman, AK · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 22, 2026 · N94AW · Substantial damage
  > On June 22, 2026, about 1043 Alaska standard time, a turbine-powered Cessna 208B airplane N94AW, was substantially damaged when it was involved in an accident near Wiseman, Alaska. The nine passengers were uninjured, the pilot sustained minor injuries. The…
- [NTSB ANC25LA081](https://openairdocs.org/ntsb/ANC25LA081.md): Cessna 208B · Anchorage, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 1, 2025 · N645AT · Substantial damage
  > The pilot’s decision to continue an unstabilized approach, which resulted in a landing touchdown with insufficient runway remaining and a subsequent runway overrun and a collision with a fence.
- [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 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."eventStateOrRegion" = 'AK' 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 ('51499'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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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.