# NTSB investigations, IL: Vortex turbulence encountered

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 CHI02IA058](https://openairdocs.org/ntsb/CHI02IA058.md): Boeing 737-522 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Dec 28, 2001 · N941UA · No damage
  > The wake turbulence encounter.
- [NTSB CHI98LA351](https://openairdocs.org/ntsb/CHI98LA351.md): Aerospatiale ATR-42-300 · Chicago, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 18, 1998 · N233RM · No damage
  > the wake turbulence encountered by Flight 146.
- [NTSB CHI92IA030](https://openairdocs.org/ntsb/CHI92IA030.md): Aerospatiale ATR-42-300 · Chicago, IL · Incident · Minor injuries · Incident investigation · Final report · Nov 20, 1991 · N235RM · No damage
  > An inflight encounter with wake turbulence during cruise flight.
- [NTSB CHI85LA268](https://openairdocs.org/ntsb/CHI85LA268.md): North American AT-6G · Dixon, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 4, 1985 · N29931 · Substantial damage
  > Reportedly, the plt made a touch-&-go landing while following an snj acft. He stated that during the takeoff, the acft had accelerated to 85 mph when he lowered the tail slightly & the acft lifted off normally. He reported that the acft was aprx 4 to 5 ft off…

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 410)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=410&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.