# NTSB investigations: Franklin 6V4 series, 1972

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 FTW73DPD17](https://openairdocs.org/ntsb/FTW73DPD17.md): Hiller Acft UH-12C · Valley View, TX · Accident · No injuries · Closed · Dec 23, 1972 · N5328V · Substantial damage
- [NTSB MIA73DKT67](https://openairdocs.org/ntsb/MIA73DKT67.md): Bell 47H-1 · Naples, FL · Accident · No injuries · Closed · Nov 26, 1972 · N2818B · Substantial damage
- [NTSB CHI73FEM24](https://openairdocs.org/ntsb/CHI73FEM24.md): Bell 47G · Mt Pleasant, MI · Accident · Minor injuries · Closed · Oct 26, 1972 · N141B · Substantial damage
- [NTSB NYCA3FKM14](https://openairdocs.org/ntsb/NYCA3FKM14.md): Bell 47D1 · Charlotte, NC · Accident · No injuries · Closed · Oct 6, 1972 · N13012 · Substantial damage
- [NTSB FTW73DPG34](https://openairdocs.org/ntsb/FTW73DPG34.md): Bell 47D · Plumerville, AR · Accident · No injuries · Closed · Sep 20, 1972 · N925V · Substantial damage
- [NTSB CHI73DEI14](https://openairdocs.org/ntsb/CHI73DEI14.md): Bell 47G · Oregon, OH · Accident · No injuries · Closed · Aug 27, 1972 · N7895B · Substantial damage
- [NTSB FTW72FPD48](https://openairdocs.org/ntsb/FTW72FPD48.md): Bell 47H-1 · Graham, TX · Accident · No injuries · Closed · Jun 23, 1972 · N4958E · Destroyed
- [NTSB FTW72DPD40](https://openairdocs.org/ntsb/FTW72DPD40.md): Bell 47D1 · Glen Rose, TX · Accident · No injuries · Closed · May 8, 1972 · N74121 · Substantial damage
- [NTSB LAX72DVA60](https://openairdocs.org/ntsb/LAX72DVA60.md): Bell 47G · Wasco, CA · Accident · No injuries · Closed · Apr 2, 1972 · N153B · Destroyed

## 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") = 1972
  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=1972

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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.