# Fatal NTSB investigations: Pratt & Whitney R1340 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 CEN23FA332](https://openairdocs.org/ntsb/CEN23FA332.md): North American AT-6D · Oshkosh, WI · Accident · 2 fatal · Class 3 · Field · Final report · Jul 29, 2023 · N49961 · Destroyed
  > The pilot’s failure to maintain airspeed while maneuvering, which resulted in the exceedance of the airplane’s critical angle of attack and an aerodynamic stall/spin.
- [NTSB CHI89DEP10](https://openairdocs.org/ntsb/CHI89DEP10.md): Air Tractor AT-301 · Plainfield, WI · Accident · 1 fatal · Final report · Aug 1, 1989 · N5044S · Destroyed
  > Failure of the pilot-in-command to maintain control of the aircraft while conducting aerial application maneuvers in close proximity to the terrain.
- [NTSB CHI83FA069](https://openairdocs.org/ntsb/CHI83FA069.md): North American T-6G · Genoa City, WI · Accident · 2 fatal · Field investigation · Final report · Jan 2, 1983 · N3168G · Destroyed
  > Prior to the accident the acft flew over the arpt at tree-top level with the gear retracted. The acft then landed. After spending about 15 min on the ground the plts took off to the west. The gear was retracted immediately after takeoff & the acft remained…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&fatal=1&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.
