# NTSB investigations, WI: Simulated/training event

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 CEN26LA047](https://openairdocs.org/ntsb/CEN26LA047.md): Engineering & Research 415 · Sheboygan Falls, WI · Accident · No injuries · Class 4 · Limited · Final report · Nov 13, 2025 · N94342 · Substantial damage
  > The flight instructor’s failure to arrest the airplane’s descent rate during a takeoff simulated engine failure which resulted in a hard landing.
- [NTSB CEN21FA345](https://openairdocs.org/ntsb/CEN21FA345.md): Piper J3C-65 · Hartford, WI · Accident · 1 fatal · Class 3 · Field · Final report · Jul 31, 2021 · N42522 · Substantial damage
  > The flight crew’s exceedance of the airplane’s critical angle of attack during a simulated engine failure during initial climb after takeoff, which led to an aerodynamic stall/spin and loss of control. Contributing to the severity of the occupants’ injuries…

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '600' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/600/sequence?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.