# NTSB investigations: Beech A23-24, IA

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 MKC88LA174](https://openairdocs.org/ntsb/MKC88LA174.md): Beech A23 · Davenport, IA · Accident · No injuries · Limited investigation · Final report · Sep 15, 1988 · N6917Q · Substantial damage
  > The PIC said there was a loud metallic explosion in the engine compartment. When the acft was about 7 miles from the destination apt and beginning a descent. The aircraft began vibrating violently and the windshield became covered with engine oil. Attempts…
- [NTSB MKC78DCD11](https://openairdocs.org/ntsb/MKC78DCD11.md): Beech A24 · Des Moines, IA · Accident · No injuries · Closed · Feb 15, 1978 · N6927Q · Substantial damage
- [NTSB MKC68D0517](https://openairdocs.org/ntsb/MKC68D0517.md): Beech A23-24 · Leon, IA · Accident · No injuries · Closed · Apr 12, 1968 · N7907L · 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" = 'IA' 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 ('1151226'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1151226&state=IA

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