# NTSB investigations: Pratt & Whitney Canada PT6A-60A, 2011

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 CEN12LA095](https://openairdocs.org/ntsb/CEN12LA095.md): Beech F90 · Midland, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 2011 · N90QL · Destroyed
  > The pilot's failure to maintain the recommended airspeed for icing conditions and his subsequent loss of airplane control while flying the airplane under autopilot control in severe icing conditions, contrary to the airplane's handbook. Contributing to the…
- [NTSB WPR12LA030](https://openairdocs.org/ntsb/WPR12LA030.md): Piper PA-31T · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · Nov 8, 2011 · N39EH · Substantial damage
  > The flight crew’s failure to properly latch the cabin door before takeoff.
- [NTSB WPR11LA288](https://openairdocs.org/ntsb/WPR11LA288.md): Air Tractor AT-502 · Lewistown, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 2011 · N1022N · Substantial damage
  > The fatigue fracture and separation of the fuel bypass line, which resulted in a total loss of engine power.
- [NTSB ERA11LA330](https://openairdocs.org/ntsb/ERA11LA330.md): Beech C90 · Camden, SC · Accident · No injuries · Limited investigation · Final report · May 27, 2011 · N291CC · Substantial damage
  > The pilot's in-flight decision to continue toward his destination, through known significant weather, when safer alternatives were available.

## 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 year(c."eventDate") = 2011
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52043', '51999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52043&year=2011

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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.
