# NTSB investigations: Franklin 6V 350 series, IN

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 CEN17LA375](https://openairdocs.org/ntsb/CEN17LA375.md): Hiller UH 12A · Griffith, IN · Accident · No injuries · Limited investigation · Final report · Sep 11, 2017 · N2686 · Substantial damage
  > The loss of tail rotor thrust due to a failed tail rotor driveshaft, which resulted in a loss of tail rotor control and a hard landing.
- [NTSB CHI83LA027](https://openairdocs.org/ntsb/CHI83LA027.md): Bell 47D1 · Georgetown, IN · Accident · Serious injuries · Limited investigation · Final report · Oct 28, 1982 · N929B · Substantial damage
  > The pilot started to takeoff from area that was difficult to exit. He relanded once. During the 2nd attempt to fly out, the helicopter collided with trees and crashed. The pilot was not rated in helicopters, but he said he had soloed.
- [NTSB CHI72FEA46](https://openairdocs.org/ntsb/CHI72FEA46.md): Bell 47D-1 · Haubstadt, IN · Accident · No injuries · Closed · Jun 1, 1972 · N3087G · Destroyed

## 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 c."eventStateOrRegion" = 'IN' AND c."eventCountry" = 'USA'
  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&state=IN

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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.