# NTSB investigations: Franklin 6V4 series, 1970

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 NYC71FHA13](https://openairdocs.org/ntsb/NYC71FHA13.md): Hiller Acft UH-12A · Fountainville, PA · Accident · No injuries · Closed · Aug 30, 1970 · N10322 · Substantial damage
- [NTSB LAX71FUA08](https://openairdocs.org/ntsb/LAX71FUA08.md): Hiller Acft UH-12A · Tustin, CA · Accident · No injuries · Closed · Aug 4, 1970 · N2827D · Substantial damage
- [NTSB NYC71FFA06](https://openairdocs.org/ntsb/NYC71FFA06.md): Bell 47D-1 · New Hartford, NY · Accident · Minor injuries · Closed · Jul 28, 1970 · N4117A · Substantial damage
- [NTSB LAX71DUJ19](https://openairdocs.org/ntsb/LAX71DUJ19.md): Bell 47G · Queen Creek, AZ · Accident · No injuries · Closed · Jul 27, 1970 · N5237A · Substantial damage
- [NTSB MKC70DCJ27](https://openairdocs.org/ntsb/MKC70DCJ27.md): Bell 47D1 · David City, NE · Accident · No injuries · Closed · Jun 4, 1970 · N903B · Substantial damage
- [NTSB LAX70FUD08](https://openairdocs.org/ntsb/LAX70FUD08.md): Bell 47D · Venice, CA · Accident · No injuries · Closed · Mar 18, 1970 · N234B · Substantial damage
- [NTSB OAK70DVM09](https://openairdocs.org/ntsb/OAK70DVM09.md): Hiller Acft UH-12C · Castroville, CA · Accident · Minor injuries · Closed · Mar 17, 1970 · N5320V · Destroyed
- [NTSB FTW70FPD05](https://openairdocs.org/ntsb/FTW70FPD05.md): Bell 47G · Fort Worth, TX · Accident · No injuries · Closed · Mar 5, 1970 · N16657 · Substantial damage
- [NTSB FTW70FPA07](https://openairdocs.org/ntsb/FTW70FPA07.md): Bell 47D1 · Howe, TX · Accident · No injuries · Closed · Mar 4, 1970 · N74121 · Substantial damage
- [NTSB FTW70FRG10](https://openairdocs.org/ntsb/FTW70FRG10.md): Bell 47D1 · Randolph Afb, TX · Accident · No injuries · Closed · Feb 14, 1970 · N4229A · 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") = 1970
  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=1970

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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.