# NTSB investigations: Pratt & Whitney Canada PT6A-21

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 GAA21WA176](https://openairdocs.org/ntsb/GAA21WA176.md): Beech C90 · Durango, Mexico · Accident · 1 fatal · Class 5 · Foreign · Jul 18, 2021 · N333WW · Destroyed
- [NTSB ERA17LA286](https://openairdocs.org/ntsb/ERA17LA286.md): Air Tractor AT 402A · Shaw, MS · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 21, 2017 · N247LA · Substantial damage
  > The pilot’s decision to attempt takeoff at high gross weight, in high density altitude conditions, and with insufficient runway length. Contributing to the accident was the pilot’s inadequate preflight planning.
- [NTSB ERA14LA312](https://openairdocs.org/ntsb/ERA14LA312.md): Raytheon C90A · Houston, MS · Accident · Minor injuries · Limited investigation · Final report · Jun 25, 2014 · N800MK · Substantial damage
  > The pilot’s failure to maintain a stabilized approach and his subsequent failure to maintain airplane control during the landing flare, which resulted in touchdown off the side of the runway and collision with a ditch.
- [NTSB CEN09FA087](https://openairdocs.org/ntsb/CEN09FA087.md): Beech C90 · Rocksprings, TX · Accident · 1 fatal · Field investigation · Final report · Dec 14, 2008 · N43KM · Substantial damage
  > The pilot's failure to properly configure the pressurization controls, resulting in his impairment and subsequent incapacitation due to hypoxia.
- [NTSB SEA08LA147](https://openairdocs.org/ntsb/SEA08LA147.md): Aero Commander 690A · Tacoma, WA · Accident · No injuries · Limited investigation · Final report · May 30, 2008 · N115AB · Substantial damage
  > The collapse of the right main landing gear for undetermined reasons.
- [NTSB DEN08IA030](https://openairdocs.org/ntsb/DEN08IA030.md): Beech C90A · Emporia, KS · Incident · No injuries · Incident investigation · Final report · Sep 22, 2007 · N871KS · No damage
  > The improper installation of the right elevator trim tab attachment hardware by maintenance personnel which resulted in excessive wear, fatigue, and the failure of the push-pull tube.
- [NTSB ATL07LA128](https://openairdocs.org/ntsb/ATL07LA128.md): Beech B90 · Chattanooga, TN · Accident · Minor injuries · Limited investigation · Final report · Sep 20, 2007 · N10TM · Substantial damage
  > The pilot's inadequate preflight planning, which resulted in fuel exhaustion during the landing approach.
- [NTSB SEA80DYP11](https://openairdocs.org/ntsb/SEA80DYP11.md): Beech C90 · Ellensburg, WA · Accident · No injuries · Closed · Jan 25, 1980 · N444PS · Substantial damage

## 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 ('52172'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52172

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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.