# NTSB investigations: Franklin 6V4 series, 1968

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 FTW69F0246](https://openairdocs.org/ntsb/FTW69F0246.md): Bell 47H-1 · Houston, TX · Accident · No injuries · Closed · Oct 5, 1968 · N996B · Substantial damage
- [NTSB NYC69D0001](https://openairdocs.org/ntsb/NYC69D0001.md): Bell 47D1 · Mt Morris, NY · Accident · No injuries · Closed · Jun 4, 1968 · N925V · Destroyed
- [NTSB MIA69F0017](https://openairdocs.org/ntsb/MIA69F0017.md): Bell 47H-1 · Cape Canaverl, FL · Accident · No injuries · Closed · Apr 20, 1968 · N2891B · Substantial damage
- [NTSB LAX68A0068](https://openairdocs.org/ntsb/LAX68A0068.md): Bell 47G-2 · Culver City, CA · Accident · No injuries · Closed · Jan 17, 1968 · N412SF · 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") = 1968
  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=1968

---
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.