# NTSB investigations: Franklin 6V 350 series, MI

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 CHI04LA137](https://openairdocs.org/ntsb/CHI04LA137.md): Cessna 175 · Blissfield, MI · Accident · Minor injuries · Limited investigation · Final report · Jun 4, 2004 · N9401B · Substantial damage
  > The pilot selected the wrong runway on which to land which resulted in exceeding the proper touchdown point during landing. Factors associated with the accident were the tailwind condition and the drainage ditch which the airplane contacted.
- [NTSB CHI96LA213](https://openairdocs.org/ntsb/CHI96LA213.md): Cessna 172 · Conway, MI · Accident · No injuries · Limited investigation · Final report · Jun 23, 1996 · N3823S · Substantial damage
  > A crack in the intake manifold which led to oil exhaustion and subsequent piston failure. A factor was the soft field.
- [NTSB CHI78FEM03](https://openairdocs.org/ntsb/CHI78FEM03-139133.md): Hiller UH12A · Muskegon, MI · Accident · No injuries · Closed · Oct 8, 1978 · N330M · Substantial damage
- [NTSB CHI71DEC54](https://openairdocs.org/ntsb/CHI71DEC54.md): Maule 4-220C · Napoleon, MI · Accident · No injuries · Closed · Mar 31, 1971 · N2012U · Substantial damage
- [NTSB CHI67A0116](https://openairdocs.org/ntsb/CHI67A0116.md): Bell 47G · Greenville, MI · Accident · No injuries · Closed · Apr 11, 1967 · N2469B · Substantial damage
- [NTSB CHI67A0009](https://openairdocs.org/ntsb/CHI67A0009.md): Bell 47G · Greenville, MI · Accident · No injuries · Closed · Jul 22, 1966 · N2469B · 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 c."eventStateOrRegion" = 'MI' 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=MI

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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.