# NTSB investigations: Franklin 6V 350 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 OAK73FVD14](https://openairdocs.org/ntsb/OAK73FVD14.md): Hiller Acft UH-12C · Brentwood, CA · Accident · 1 fatal · Closed · Sep 12, 1972 · N9734C · Minor damage
- [NTSB DEN73DTC06](https://openairdocs.org/ntsb/DEN73DTC06.md): Maule M4220C · Jackson, WY · Accident · No injuries · Closed · Aug 12, 1972 · N40331 · Substantial damage
- [NTSB OAK72DVA05](https://openairdocs.org/ntsb/OAK72DVA05-201443.md): Maule M-4 · Lone Pine, CA · Accident · No injuries · Closed · Jul 9, 1972 · N40319 · Substantial damage
- [NTSB CHI72FEA46](https://openairdocs.org/ntsb/CHI72FEA46.md): Bell 47D-1 · Haubstadt, IN · Accident · No injuries · Closed · Jun 1, 1972 · N3087G · Destroyed
- [NTSB NYC72FIG23](https://openairdocs.org/ntsb/NYC72FIG23.md): Maule M4220C · Keedysville, MD · Accident · No injuries · Closed · May 17, 1972 · N2034U · Substantial damage
- [NTSB NYC72FNA41](https://openairdocs.org/ntsb/NYC72FNA41.md): Bell 47D · Accord, MA · Accident · Serious injuries · Closed · May 12, 1972 · N177B · Destroyed
- [NTSB ANC72AA043](https://openairdocs.org/ntsb/ANC72AA043.md): Maule M4220C · Cordova, AK · Accident · 2 fatal · Closed · Apr 25, 1972 · N2043U · Destroyed
- [NTSB NYC72FHD32](https://openairdocs.org/ntsb/NYC72FHD32.md): Siai-Marche S20522 · Atlantic City, NJ · Accident · No injuries · Closed · Apr 1, 1972 · N736W · Substantial damage
- [NTSB CHI72DLQ34](https://openairdocs.org/ntsb/CHI72DLQ34.md): Bell 47D1 · Hazard, KY · Accident · No injuries · Closed · Mar 19, 1972 · N929B · Substantial damage
- [NTSB MIA72DLG26](https://openairdocs.org/ntsb/MIA72DLG26.md): Maule M-4 · Mt.Pleasant, SC · Accident · No injuries · Closed · Feb 20, 1972 · N40319 · 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") = 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 ('27043'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27043&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.