# NTSB investigations, WI: Abrupt maneuver

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 CEN24LA097](https://openairdocs.org/ntsb/CEN24LA097.md): Robinson Helicopter R22 Beta · Kenosha, WI · Accident · Serious injuries · Class 4 · Limited · Final report · Jan 21, 2024 · N8350M · Substantial damage
  > The pilot’s failure to maintain control of the helicopter while landing.
- [NTSB CEN21LA336](https://openairdocs.org/ntsb/CEN21LA336.md): Driver RV-7 · Oshkosh, WI · Accident · No injuries · Class 3 · Limited · Final report · Jul 23, 2021 · N977RV · 2 aircraft · Substantial damage
  > The RV-8 pilot’s failure to account for the position of the RV-7 behind him during the landing roll in a staggered landing formation, which resulted in a ground collision of the two airplanes. Contributing to the accident was the self-induced pressure created…
- [NTSB CEN10CA421](https://openairdocs.org/ntsb/CEN10CA421.md): Nord 3202 · Oshkosh, WI · Accident · No injuries · Data collection · Final report · Jul 19, 2010 · N2256Y · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB CHI08FA172](https://openairdocs.org/ntsb/CHI08FA172.md): Enstrom Helicopter 480B · Marinette, WI · Accident · No injuries · Field investigation · Final report · Jun 24, 2008 · N480PD · Substantial damage
  > The pilot inadvertently operating the helicopter at a gross weight greater than its maximum allowable operating weight, and flying the helicopter at an airspeed greater than the never-to-exceed speed for the helicopter’s gross weight condition, resulting in…

## 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" = '270' 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/270/sequence?state=WI

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