# NTSB investigations, WI: Dragged wing/rotor/float/other

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 CEN26LA011](https://openairdocs.org/ntsb/CEN26LA011.md): Cirrus Design SR20 · Portage, WI · Accident · No injuries · Class 4 · Limited · Final report · Oct 1, 2025 · N78RC · Substantial damage
  > The student pilot’s failure to maintain proper airspeed and attitude for a short field landing. Contributing to the accident was the flight instructor’s delayed remedial action.
- [NTSB CEN22LA440](https://openairdocs.org/ntsb/CEN22LA440.md): Beech C23 · Merrill, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2022 · N2240L · Substantial damage
  > The student pilot's failure to maintain adequate roll control during takeoff with a quartering tailwind.
- [NTSB CEN20LA125](https://openairdocs.org/ntsb/CEN20LA125.md): Mitsubishi MU 2B-40 · Chilton, WI · Accident · No injuries · Class 3 · Limited · Final report · Jan 29, 2020 · N425GZ · Substantial damage
  > The pilot's decision to land on the turf runway with insufficient landing performance and his subsequent loss of control during the landing roll.
- [NTSB CEN12CA409](https://openairdocs.org/ntsb/CEN12CA409.md): Wilkinson Lorin L Hatz XB-II · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 1, 2012 · N500L · Substantial damage
  > The pilot's loss of directional control while landing with a crosswind.
- [NTSB CEN11CA523](https://openairdocs.org/ntsb/CEN11CA523.md): Cessna 195 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 28, 2011 · N195SM · Substantial damage
  > The failure of the left brake which resulted in a ground-loop.
- [NTSB CEN09LA486](https://openairdocs.org/ntsb/CEN09LA486.md): Gallagher Junior ACE · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Aug 2, 2009 · N413G · Substantial damage
  > The failure of a weld joint on the right rudder pedal leading to the loss of directional control during landing.
- [NTSB CEN09CA358](https://openairdocs.org/ntsb/CEN09CA358.md): Aerostar International RX-9 · Marathon City, WI · Accident · Serious injuries · Data collection · Final report · Jun 14, 2009 · N9116M · Minor damage
  > A hard landing as a result of unexpected high winds and gusts.

## 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" = '093' 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/093/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.
