# NTSB investigations: Lycoming R680, 1974

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 MIA75DKT01](https://openairdocs.org/ntsb/MIA75DKT01.md): Boeing B75N1 · Opa Locka, FL · Accident · No injuries · Closed · Jul 4, 1974 · N5819V · Substantial damage
- [NTSB FTW74DPG63](https://openairdocs.org/ntsb/FTW74DPG63.md): Boeing A75N1 · Ulm, AR · Accident · No injuries · Closed · May 23, 1974 · N97X · Substantial damage
- [NTSB FTW74FRA43](https://openairdocs.org/ntsb/FTW74FRA43.md): Boeing A75N1 · El Campo, TX · Accident · No injuries · Closed · May 20, 1974 · N74677 · Substantial damage
- [NTSB SEA74DYG36](https://openairdocs.org/ntsb/SEA74DYG36.md): Stearman A75 · Craigmont, ID · Accident · No injuries · Closed · May 7, 1974 · N1720B · Substantial damage
- [NTSB LAX74DUJ53](https://openairdocs.org/ntsb/LAX74DUJ53.md): Travel Air 4000 · Phoenix, AZ · Accident · No injuries · Closed · May 2, 1974 · N5433 · 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") = 1974
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41540'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41540&year=1974

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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.