# NTSB investigations: Jacobs L4 /R755-7, 1975

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 MKC76DER36](https://openairdocs.org/ntsb/MKC76DER36.md): Waco YKS7 · Duluth, MN · Accident · No injuries · Closed · Nov 1, 1975 · N17465 · Substantial damage
- [NTSB FTW76FPM08](https://openairdocs.org/ntsb/FTW76FPM08.md): Boeing A75N1 · Hartsharne, OK · Accident · Minor injuries · Closed · Sep 21, 1975 · N49709 · Substantial damage
- [NTSB MKC76DTK04](https://openairdocs.org/ntsb/MKC76DTK04.md): Waco UPF-7 · N Sioux City, SD · Accident · No injuries · Closed · Aug 30, 1975 · N29974 · Substantial damage
- [NTSB SEA7KAS006](https://openairdocs.org/ntsb/SEA7KAS006.md): Cessna 195A · Lincoln City, OR · Accident · 2 fatal · Closed · Jul 28, 1975 · N1529D · Destroyed
- [NTSB LAX76DUJ07](https://openairdocs.org/ntsb/LAX76DUJ07.md): Cessna 195 · Tucson, AZ · Accident · No injuries · Closed · Jul 12, 1975 · N1090D · 2 aircraft · Minor damage
- [NTSB NYC75FGM51](https://openairdocs.org/ntsb/NYC75FGM51.md): Waco ASO · Belle Vernon, PA · Accident · No injuries · Closed · Jun 29, 1975 · N268M · 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") = 1975
  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=1975

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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.