# NTSB investigations: Jacobs L4 /R755-7, 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 LAX74FUA03](https://openairdocs.org/ntsb/LAX74FUA03.md): Waco VKS-7 · Long Beach, CA · Accident · No injuries · Closed · Aug 26, 1973 · N31656 · Substantial damage
- [NTSB CHI74FEM16](https://openairdocs.org/ntsb/CHI74FEM16.md): Beech E17L · Charlevoix, MI · Accident · Minor injuries · Closed · Aug 11, 1973 · N19467 · Destroyed
- [NTSB SEA74DTI06](https://openairdocs.org/ntsb/SEA74DTI06-201625.md): Cessna 195A · Heart Butte, MT · Accident · No injuries · Closed · Jul 19, 1973 · N1528D · Substantial damage
- [NTSB MKC73DER67](https://openairdocs.org/ntsb/MKC73DER67.md): Waco YKS-6 · Deer River, MN · Accident · Minor injuries · Closed · Jun 9, 1973 · N16241 · Substantial damage
- [NTSB FTW73FRD34](https://openairdocs.org/ntsb/FTW73FRD34.md): Grumman G-164 · Church Point, LA · Accident · No injuries · Closed · Jun 2, 1973 · N552Y · Substantial damage
- [NTSB FTW73FPM10](https://openairdocs.org/ntsb/FTW73FPM10.md): Cessna 195A · Tulsa, OK · Accident · No injuries · Closed · May 18, 1973 · N4343N · 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.engine_model_code IN ('35003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=35003&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.