# NTSB investigations: Franklin 6V 350 series, IL

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 CHI82DA280](https://openairdocs.org/ntsb/CHI82DA280.md): SIAI Marchetti S.205-22/R · Carrollton, IL · Accident · Minor injuries · Final report · Jul 29, 1982 · N956W · Substantial damage
  > The aircraft engine failed inflight and during the forced landing on a road the aircraft collided with posts. An investigation showed that a #4 connecting rodcap attaching bolt had failed.
- [NTSB CHI67A0137](https://openairdocs.org/ntsb/CHI67A0137.md): Bell 47G · Joliet, IL · Accident · Serious injuries · Closed · Jun 23, 1967 · N867Z · 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" = 'IL' 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=IL

---
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.