# NTSB investigations: Franklin 6V4 series, 1980

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 LAX81DUG05](https://openairdocs.org/ntsb/LAX81DUG05.md): Hiller Acft UH-12B · Rialto, CA · Accident · No injuries · Closed · Nov 18, 1980 · N5310V · Destroyed
- [NTSB LAX80DVA64](https://openairdocs.org/ntsb/LAX80DVA64.md): Bell 47G · Bakersfield, CA · Accident · No injuries · Closed · Aug 23, 1980 · N148B · Substantial damage
- [NTSB CHI80FEC26](https://openairdocs.org/ntsb/CHI80FEC26.md): Bell 47D1 · Munith, MI · Accident · 1 fatal · Closed · Jul 30, 1980 · N3656F · Substantial damage
- [NTSB CHI80DEV30](https://openairdocs.org/ntsb/CHI80DEV30.md): Bell 47D-1 · Rantoul, IL · Accident · No injuries · Closed · Jul 28, 1980 · N8271E · Substantial damage
- [NTSB FTW80FPM14](https://openairdocs.org/ntsb/FTW80FPM14.md): Bell 47G · Calvin, OK · Accident · 1 fatal · Closed · Jul 16, 1980 · N16657 · Destroyed
- [NTSB LAX80FVM17](https://openairdocs.org/ntsb/LAX80FVM17.md): Bell 47D1 · Salinas, CA · Accident · No injuries · Closed · Mar 9, 1980 · N78900 · Substantial damage
- [NTSB LAX80FUQ11](https://openairdocs.org/ntsb/LAX80FUQ11.md): Bell 47G · Pacoima, CA · Accident · No injuries · Closed · Feb 26, 1980 · N182JR · 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") = 1980
  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=1980

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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.