# NTSB investigations, 1973, DC

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 IAD74II024](https://openairdocs.org/ntsb/IAD74II024.md): Boeing 727 · Washington, DC · Incident · No injuries · Closed · Nov 7, 1973 · N7435 · Minor damage
- [NTSB IAD74AI047](https://openairdocs.org/ntsb/IAD74AI047.md): Boeing 727 · Washington, DC · Accident · No injuries · Closed · Aug 8, 1973 · N1728T · Substantial damage
- [NTSB IAD73FIA13](https://openairdocs.org/ntsb/IAD73FIA13.md): Bell 47G-4A · Washington, DC · Accident · Serious injuries · Closed · Apr 5, 1973 · N7949J · 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."eventStateOrRegion" = 'DC' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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