# NTSB investigations: Pratt & Whitney PT6A series, WI

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 CEN16LA288](https://openairdocs.org/ntsb/CEN16LA288.md): Cessna 208B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 2016 · N7581F · Substantial damage
  > The pilot's decision to land the fully loaded parachutist drop airplane on a wet grass runway that had insufficient length for the landing in high temperature conditions, which resulted in a runway overrun, when a more suitable longer runway was available at…
- [NTSB CHI07CA049](https://openairdocs.org/ntsb/CHI07CA049.md): Beech 99 · Mosinee, WI · Accident · No injuries · Data collection · Final report · Dec 23, 2006 · N799CZ · Substantial damage
  > The pilot encountering the unsuitable terrain during the landing. Factors were the dark night and the snowbank.
- [NTSB CHI04IA178](https://openairdocs.org/ntsb/CHI04IA178.md): Beech 1900D · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jul 6, 2004 · N87SK · Minor damage
  > The fatigue fracture of the left main landing gear during landing roll.
- [NTSB CHI04LA167](https://openairdocs.org/ntsb/CHI04LA167.md): Beech 200 · Green Bay, WI · Accident · No injuries · Limited investigation · Final report · Jun 30, 2004 · N432FA · Substantial damage
  > The loss of engine power after takeoff for an undetermined reason.
- [NTSB CHI03IA153](https://openairdocs.org/ntsb/CHI03IA153.md): Beech 1900D · Milwaukee, WI · Incident · No injuries · Incident investigation · Final report · Jun 7, 2003 · N901SK · Minor damage
  > Failure of the aileron sprocket assembly at the sprocket-to-shaft braze joint. Contributing factors were the improper braze procedure used by the part manufacturer at the time of fabrication which resulted in an inferior quality joint and the inadequate…
- [NTSB CHI02FA093](https://openairdocs.org/ntsb/CHI02FA093.md): Cessna 208B · Alma, WI · Accident · 1 fatal · Field investigation · Final report · Mar 15, 2002 · N228PA · Substantial damage
  > The pilot not removing the ice contamination from the airplane prior to departure and the pilot intentionally flying into known severe icing conditions, resulting in the aircraft not being able to maintain altitude/clearance from the terrain. Factors to the…
- [NTSB CHI87FA191](https://openairdocs.org/ntsb/CHI87FA191.md): Beech B90 · Milwaukee, WI · Accident · No injuries · Field investigation · Final report · Aug 9, 1987 · N425K · Substantial damage
  > On departure the crew identified an in flight fire. An immediate shutdown of electrical, environmental and pressurization systems was initiated and a return was made to the airport with a successful landing. The fire was discovered to have occurred in the…

## 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" = 'WI' 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 ('52032', '52034'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032&state=WI

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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.