# NTSB investigations: Pratt & Whitney Canada PT6A-66 series: Loss of control in flight

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 CEN24FA064](https://openairdocs.org/ntsb/CEN24FA064.md): Pilatus PC-12/45 · Christoval, TX · Accident · 2 fatal · Class 3 · Field · Final report · Dec 14, 2023 · N188PC · Substantial damage
  > The instrument-rated pilot and a passenger departed on an instrument flight rules (IFR) flight. After about 4.5 hours, while approaching the first planned fuel stop, the airplane was in instrument meteorological conditions (IMC). According to air traffic…
- [NTSB ERA13FA115](https://openairdocs.org/ntsb/ERA13FA115.md): Pilatus PC-12/45 · Burlington, NC · Accident · 1 fatal · Field investigation · Final report · Jan 16, 2013 · N68PK · Substantial damage
  > The pilot's failure to maintain airplane control due to spatial disorientation during the initial climb after takeoff in night instrument flight rules conditions.

## 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 ('52118')
    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" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=52118

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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.