# NTSB investigations, IL: 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 WPR26FA254](https://openairdocs.org/ntsb/WPR26FA254.md): Beech 95-B55 (T42A) · Waterloo, IL · Accident · 2 fatal · Class 3 · Field · Preliminary report · Jul 10, 2026 · N202DK · Destroyed
  > On July 9, 2026, at about 2248 central daylight time, a Beech 95-B55, N202DK, was destroyed when it was involved in an accident near Waterloo, Illinois. The pilot and pilot rated passenger were fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB CEN21LA185](https://openairdocs.org/ntsb/CEN21LA185.md): Piper PA-28-181 · Schaumburg, IL · Accident · No injuries · Class 4 · Limited · Final report · Apr 7, 2021 · N21175 · Substantial damage
  > The pilot’s failure to maintain directional control during the rejected takeoff with a left quartering crosswind that shifted to a tailwind.

## 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" = 'IL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '390')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/390/cases?state=IL

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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.