# NTSB investigations: Beech A23, SD

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 CHI95LA206](https://openairdocs.org/ntsb/CHI95LA206.md): Beech 23A · Spearfish, SD · Accident · Serious injuries · Limited investigation · Final report · Jul 2, 1995 · N2397Q · Destroyed
  > The pilot's failure to maintain flying speed resulting in an aerodynamic stall. Factors associated with this accident were remedial action by the pilot was not possible due to the low altitude at which the stall took place.
- [NTSB MKC80FTK06](https://openairdocs.org/ntsb/MKC80FTK06.md): Beech A23 · Tea, SD · Accident · No injuries · Closed · Dec 9, 1979 · N3580R · Substantial damage
- [NTSB MKC76DTK32](https://openairdocs.org/ntsb/MKC76DTK32.md): Beech A23A · Prairie City, SD · Accident · No injuries · Closed · Aug 10, 1976 · N3541R · Substantial damage
- [NTSB MKC70F0246](https://openairdocs.org/ntsb/MKC70F0246.md): Beech A23 · Coleman, SD · Accident · No injuries · Closed · Sep 30, 1969 · N3560R · Substantial damage

## 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" = 'SD' 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 ('1151204'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1151204&state=SD

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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.