# NTSB investigations, WI: Windshear or thunderstorm

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 CEN15CA071](https://openairdocs.org/ntsb/CEN15CA071.md): Piper PA 18-150 · Minocqua, WI · Accident · Minor injuries · Data collection · Final report · Dec 7, 2014 · N41594 · Substantial damage
  > The pilot did not maintain directional control of the airplane during the landing flare when a sudden wind shift occurred.
- [NTSB CEN12CA596](https://openairdocs.org/ntsb/CEN12CA596.md): Arvold Jordon R CH 750 · Colfax, WI · Accident · No injuries · Data collection · Final report · Sep 1, 2012 · N32JA · Substantial damage
  > The pilot did not maintain control of the airplane while landing with a gusty crosswind.
- [NTSB CHI08CA233](https://openairdocs.org/ntsb/CHI08CA233.md): Ercoupe 415-C · Cedarburg, WI · Accident · Minor injuries · Data collection · Final report · Aug 2, 2008 · N93963 · Substantial damage
  > The pilot not maintaining altitude/clearance from the tree during takeoff. Contributing to the accident were the windshear and the tree.

## 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" = '390' 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/390/sequence?state=WI

---
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.
