# NTSB investigations: Pratt & Whitney Canada PT6A-6 series: Controlled flight into terr/obj (CFIT)

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 ANC22LA009](https://openairdocs.org/ntsb/ANC22LA009.md): Cessna 208 · Port Alsworth, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 2, 2021 · N9602F · Substantial damage
  > The pilot's failure to maintain a proper approach path which resulted in landing short of the runway and impact with terrain.
- [NTSB ANC16LA012](https://openairdocs.org/ntsb/ANC16LA012.md): Cessna 208B · Anaktuvuk Pass, AK · Accident · Serious injuries · Limited investigation · Final report · Jan 2, 2016 · N540ME · Substantial damage
  > The pilot’s continued flight into deteriorating, flat light weather conditions, which resulted in impact with mountainous, snow-covered terrain.
- [NTSB ERA11LA424](https://openairdocs.org/ntsb/ERA11LA424.md): Air Tractor AT-602 · Drew, MS · Accident · 1 fatal · Limited investigation · Final report · Jul 26, 2011 · N8525L · Substantial damage
  > The pilot's improper decision to conduct a visual flight rules aerial application flight in instrument meteorological conditions, which resulted in an in flight collision with the ground while maneuvering.

## 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 ('52150')
    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" = '120'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/120/cases?engine=52150

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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.