# NTSB investigations: Aero Commander 520, 1973

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 CHI74AC016](https://openairdocs.org/ntsb/CHI74AC016.md): Aero Comdr 520 · Michigan City, IN · Accident · Serious injuries · Closed · Aug 25, 1973 · N2634B · Destroyed
- [NTSB FTW73DRA23](https://openairdocs.org/ntsb/FTW73DRA23.md): Aero Comdr 520 · Stan C, HO · Accident · No injuries · Closed · Apr 25, 1973 · N4131B · Substantial damage
- [NTSB MIA73FKJ44](https://openairdocs.org/ntsb/MIA73FKJ44.md): Aero Comdr 520 · Central Mills, AL · Accident · Serious injuries · Closed · Mar 7, 1973 · N7324 · Destroyed
- [NTSB DEN73FTE51](https://openairdocs.org/ntsb/DEN73FTE51.md): Aero Comdr 520 · Littleton, CO · Accident · Serious injuries · Closed · Feb 2, 1973 · N158V · 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 year(c."eventDate") = 1973
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0141202'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0141202&year=1973

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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.