# NTSB investigations: Cessna 421, WI

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 CHI84FA303](https://openairdocs.org/ntsb/CHI84FA303.md): Cessna 421 · Birchwood, WI · Accident · 3 fatal · Field investigation · Final report · Jul 20, 1984 · N14TC · Destroyed
  > During flt, the plt transmitted to ARTCC 'we've got a problem, we're losing altitude.' The controller provided a vector to the nearest arpt, but shortly after that, the plt stated that he would not be able to reach the arpt. The plt did not inform ARTCC of…
- [NTSB CHI82FA209](https://openairdocs.org/ntsb/CHI82FA209.md): Cessna 421 · Racine, WI · Accident · No injuries · Field investigation · Final report · Jun 15, 1982 · N421CB · Substantial damage
  > The plt stated he experienced moderate to severe turbulence enroute. A coupled ILS approach was flown without problems, but the plt stated he had to work hard. The flt broke out at about 1,000 ft MSL & at this time he acquired visual contact with the rwy. He…

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076010'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076010&state=WI

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