# NTSB investigations: Pratt & Whitney PT6A66D, 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 CEN15FA328](https://openairdocs.org/ntsb/CEN15FA328.md): Socata TBM 700 · Milwaukee, WI · Accident · 2 fatal · Field investigation · Final report · Jul 29, 2015 · N425KJ · Destroyed
  > The pilot's improper pitch control during the landing, which resulted in the propeller striking the runway, and his failure to maintain adequate airspeed during the subsequent go-around, which resulted in the airplane exceeding its critical angle of attack…
- [NTSB CEN12LA153](https://openairdocs.org/ntsb/CEN12LA153.md): Socata TBM 700 · Madison, WI · Accident · Minor injuries · Limited investigation · Final report · Feb 10, 2012 · N850LM · Substantial damage
  > The pilot’s failure to ensure that ice and snow were removed from the airplane’s surfaces during the preflight inspection, which resulted in an inadvertent aerodynamic stall after takeoff and loss of control of the airplane.

## 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 ('52281'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52281&state=WI

---
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.