# NTSB investigations, IL: Airport occurrence

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 CEN22LA328](https://openairdocs.org/ntsb/CEN22LA328.md): Eurocopter Deutschland EC 135 · Mount Vernon, IL · Accident · No injuries · Class 4 · Limited · Final report · Jul 20, 2022 · N228MT · Substantial damage
  > The inadequate securement of the cloth fire extinguisher cover, which resulted in it being blown off the fire extinguisher and ingested into the helicopter’s fenestron during the landing.
- [NTSB CHI08CA231](https://openairdocs.org/ntsb/CHI08CA231.md): Weatherly 201B · Creston, IL · Accident · No injuries · Data collection · Final report · Aug 1, 2008 · N2936W · Substantial damage
  > The pilot's selection of the unsuitable terrain next to the runway to avoid the landing traffic. Contributing to the accident was the hill in the middle of the runway that blocked the pilot's view of the other traffic and the high vegetation near the runway.
- [NTSB CHI08CA081](https://openairdocs.org/ntsb/CHI08CA081.md): Cessna 425 · Cahokia, IL · Accident · No injuries · Data collection · Final report · Feb 13, 2008 · N67726 · Substantial damage
  > The pilot not maintaining clearance from the runway sign during taxi for takeoff. A factor contributing to the accident was an icy taxiway.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '070' 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/070/sequence?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.