# NTSB investigations: Cessna 421A, UT

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 DEN83FA193](https://openairdocs.org/ntsb/DEN83FA193.md): Cessna 421A · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Aug 20, 1983 · N2239Q · Destroyed
  > Investigation revealed that the plt aborted two takeoff attempts due to a 'roughness' in one eng. Not able to duplicate the roughness during subsequent ground checks, the plt departed. At an alt of 300 AGL the left eng began to surge and the right eng,…
- [NTSB DEN79FTM04](https://openairdocs.org/ntsb/DEN79FTM04.md): Cessna 421A · Salt Lake City, UT · Accident · Minor injuries · Closed · Nov 29, 1978 · N38J · Substantial damage
- [NTSB DEN74AD026](https://openairdocs.org/ntsb/DEN74AD026.md): Cessna 421A · Roosevelt, UT · Accident · 2 fatal · Closed · Nov 21, 1973 · N2217Q · Destroyed

## 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" = 'UT' 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 ('2076012'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076012&state=UT

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