# NTSB investigations: Cessna 401, IL

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 CHI04CA164](https://openairdocs.org/ntsb/CHI04CA164.md): Cessna 401 · Mt. Vernon, IL · Accident · No injuries · Data collection · Final report · Jun 20, 2004 · N3234Q · Substantial damage
  > The pilot's misjudgment of the landing flare. Contributing factors were the pilot's failure to execute a stabilized approach for landing. An additional factor was the presence of the runway lights.
- [NTSB CHI84LA130](https://openairdocs.org/ntsb/CHI84LA130.md): Cessna 401 · Chicago, IL · Accident · No injuries · Limited investigation · Final report · Mar 15, 1984 · N777CS · Substantial damage
  > The acfts left main gear collapsed during the landing roll. Investigation revealed that the bolt on the top portion of the LH bellcrank assembly was sheared off. One of the tangs at the bottom of the bellcrank was also broken. When examined under a 10 power…

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('207590C'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=207590C&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.