# NTSB investigations: Franklin 6A4150 series, WI

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 CEN19LA060](https://openairdocs.org/ntsb/CEN19LA060.md): Stinson 108 · Keshena, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 19, 2019 · N97969 · Substantial damage
  > A total loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and subsequent impact with trees.
- [NTSB CEN11LA536](https://openairdocs.org/ntsb/CEN11LA536.md): Bellanca 14-13 · Stoughton, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2011 · N74260 · Substantial damage
  > The pilot’s improper preflight planning and his failure to gain proper airspeed during takeoff from a grass airstrip resulting in a stall, the loss of control, and subsequent impact with the trees. Contributing to the accident was the pilot operating the…
- [NTSB CHI77EEP48](https://openairdocs.org/ntsb/CHI77EEP48.md): Bellanca 14-13 · Prairie Du Chn, WI · Accident · 1 fatal · Closed · Jul 30, 1977 · N86709 · Substantial damage
- [NTSB CHI77FEP08](https://openairdocs.org/ntsb/CHI77FEP08.md): Stinson 108-1 · Burlington, WI · Accident · No injuries · Closed · Nov 25, 1976 · N97849 · Substantial damage
- [NTSB CHI75DEP71](https://openairdocs.org/ntsb/CHI75DEP71.md): Stinson 108-1 · Montello, WI · Accident · No injuries · Closed · Jun 27, 1975 · N8784K · Substantial damage
- [NTSB CHI71DDJ47](https://openairdocs.org/ntsb/CHI71DDJ47.md): Stinson 108-1 · Milwaukee, WI · Accident · No injuries · Closed · Apr 4, 1971 · N9155K · Substantial damage
- [NTSB CHI67F0007](https://openairdocs.org/ntsb/CHI67F0007.md): Stinson 108-1 · Kenoska, WI · Accident · Minor injuries · Closed · Jun 1, 1966 · N9055K · Substantial damage
- [NTSB UNK64X0498](https://openairdocs.org/ntsb/UNK64X0498.md): Stinson 108 · Glidden, WI · Accident · No injuries · Closed · Feb 8, 1964 · N97431 · 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" = 'WI' 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 ('27024'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27024&state=WI

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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.