# NTSB investigations: Franklin 6V4 series, 1976

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 FTW77FRG02](https://openairdocs.org/ntsb/FTW77FRG02.md): Bell 47G · Kerrville, TX · Accident · Serious injuries · Closed · Oct 12, 1976 · N2772 · Destroyed
- [NTSB MIA76FLG51](https://openairdocs.org/ntsb/MIA76FLG51.md): Bell 47G · Ridge Spring, SC · Accident · No injuries · Closed · Sep 8, 1976 · N1273 · Substantial damage
- [NTSB FTW76FPH03](https://openairdocs.org/ntsb/FTW76FPH03.md): Bell 47H-1 · Tuckerman, AR · Accident · No injuries · Closed · Aug 21, 1976 · N981B · Substantial damage
- [NTSB MKC76DCQ57](https://openairdocs.org/ntsb/MKC76DCQ57.md): Bell 47D-1 · Sublette, KS · Accident · No injuries · Closed · Jun 4, 1976 · N908B · Substantial damage
- [NTSB ANC76DAH16](https://openairdocs.org/ntsb/ANC76DAH16.md): Bell 47D-1 · Birchwood, AK · Accident · 1 fatal · Closed · May 25, 1976 · N117B · Substantial damage
- [NTSB MIA76DLA48](https://openairdocs.org/ntsb/MIA76DLA48.md): Bell 47D-1 · Lake Butler, FL · Accident · No injuries · Closed · May 21, 1976 · N74123 · Substantial damage
- [NTSB LAX76FUQ32](https://openairdocs.org/ntsb/LAX76FUQ32.md): Bell 47D-1 · Lancaster, CA · Accident · No injuries · Closed · Apr 7, 1976 · N917B · Substantial damage
- [NTSB MIA76DKT59](https://openairdocs.org/ntsb/MIA76DKT59.md): Bell 47D1 · South Bay, FL · Accident · No injuries · Closed · Mar 1, 1976 · N12088 · Substantial damage
- [NTSB MIA76FLD46](https://openairdocs.org/ntsb/MIA76FLD46.md): Bell 47G · Clearwater, FL · Accident · Minor injuries · Closed · Feb 22, 1976 · N3628G · Substantial damage
- [NTSB OAK76FVG43](https://openairdocs.org/ntsb/OAK76FVG43.md): Bell 47D-1 · Sacramento, CA · Accident · No injuries · Closed · Jan 13, 1976 · N2134 · Substantial damage
- [NTSB LAX76FVA18](https://openairdocs.org/ntsb/LAX76FVA18.md): Bell 47D-1 · Capistrano, CA · Accident · No injuries · Closed · Jan 1, 1976 · N9673Z · 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") = 1976
  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=1976

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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.