# NTSB investigations: Franklin 6V4 series, 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 LAX75FUQ09](https://openairdocs.org/ntsb/LAX75FUQ09.md): Bell 47G · Lancaster, CA · Accident · No injuries · Closed · Sep 27, 1974 · N6327D · Substantial damage
- [NTSB OAK75FVG13](https://openairdocs.org/ntsb/OAK75FVG13.md): Bell 47G · Sacramento, CA · Accident · No injuries · Closed · Aug 13, 1974 · N7985A · Substantial damage
- [NTSB LAX75FUA04](https://openairdocs.org/ntsb/LAX75FUA04.md): Bell 47D-1 · Seal Beach, CA · Accident · No injuries · Closed · Jul 28, 1974 · N5226 · Substantial damage
- [NTSB FTW75DPG02](https://openairdocs.org/ntsb/FTW75DPG02.md): Bell 47D-1 · Almyra, AR · Accident · No injuries · Closed · Jul 6, 1974 · N13012 · Substantial damage
- [NTSB MIA75FLG02](https://openairdocs.org/ntsb/MIA75FLG02.md): Bell 47G · Myrtle Beach, SC · Accident · No injuries · Closed · Jul 5, 1974 · N1773 · Substantial damage
- [NTSB FTW74FPM29](https://openairdocs.org/ntsb/FTW74FPM29.md): EL Tomcat 47 · Zafra, OK · Accident · No injuries · Closed · Jun 19, 1974 · N4227A · Destroyed
- [NTSB CHI74FEK26](https://openairdocs.org/ntsb/CHI74FEK26.md): Bell 47D1 · Circleville, OH · Accident · No injuries · Closed · May 21, 1974 · N157B · Substantial damage
- [NTSB CHI74FEV49](https://openairdocs.org/ntsb/CHI74FEV49.md): Hiller Acft UH-12A · Springfield, IL · Accident · No injuries · Closed · May 1, 1974 · N7636B · Substantial damage
- [NTSB CHI74DEM57](https://openairdocs.org/ntsb/CHI74DEM57.md): Bell 47G · Hart, MI · Accident · Minor injuries · Closed · May 1, 1974 · N4734S · Substantial damage
- [NTSB SEA74DYE42](https://openairdocs.org/ntsb/SEA74DYE42.md): Bell 47G-2 · Centralia, WA · Accident · No injuries · Closed · Apr 18, 1974 · N984B · Substantial damage
- [NTSB MIA74DKT61](https://openairdocs.org/ntsb/MIA74DKT61.md): Bell 47D1 · Ochopee, FL · Accident · No injuries · Closed · Mar 16, 1974 · N9660 · 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 ('27033'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27033&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.