# NTSB investigations, WI: Turbulence

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 WPR24LA253](https://openairdocs.org/ntsb/WPR24LA253.md): Canadian Car & Foundry Harvard MK IV · Oshkosh, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 25, 2024 · N52494 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB CEN19LA188](https://openairdocs.org/ntsb/CEN19LA188.md): Cessna 560 · Janesville, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 27, 2019 · N318RW · Minor damage
  > The passenger’s decision to unbuckle her restraints during an in-flight turbulence event, resulting in serious injury.
- [NTSB WPR18FA200](https://openairdocs.org/ntsb/WPR18FA200.md): De Havilland DH112 Venom · Sheboygan, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2018 · N747J · Destroyed
  > The airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.
- [NTSB CEN13FA438](https://openairdocs.org/ntsb/CEN13FA438.md): Piper PA-28R-200 · Lake Michigan, WI · Accident · 2 fatal · Field investigation · Final report · Jul 27, 2013 · N1549X · Destroyed
  > An encounter with wake turbulence, which resulted in the pilot’s loss of control of the airplane and its subsequent in-flight breakup. Contributing to the accident was the approach controller’s failure to issue a wake turbulence advisory to the pilot.
- [NTSB CEN11LA085](https://openairdocs.org/ntsb/CEN11LA085.md): Embraer EMB-135LR · Milwaukee, WI · Accident · Serious injuries · Limited investigation · Final report · Nov 30, 2010 · N12530 · No damage
  > An in-flight encounter with turbulence during cruise flight, which resulted in a serious injury to a flight attendant.
- [NTSB CEN10FA557](https://openairdocs.org/ntsb/CEN10FA557.md): Piper PA-44-180 · Woodruff, WI · Accident · 2 fatal · Field investigation · Final report · Sep 24, 2010 · N570ER · Destroyed
  > The pilot's decision to attempt an instrument approach in turbulent night instrument meteorological conditions with a recently-identified deficiency with his instrument flight proficiency, which resulted in a loss of airplane control as a result of spatial…

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '030320'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/030320/cases?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.