# NTSB investigations: Jacobs L4 /R755-7, 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 CHI04LA083](https://openairdocs.org/ntsb/CHI04LA083.md): Cessna 195 · Manitowoc, WI · Accident · No injuries · Limited investigation · Final report · Feb 19, 2004 · N4351V · Minor damage
  > The Cessna 195 pilot's failure to maintain clearance from the Cessna 177RG while taxiing to the ramp after landing. A contributing factor was the restricted forward visibility (blind spot) of the Cessna 195 due to the engine cowling. An additional factor was…
- [NTSB CHI00FA229](https://openairdocs.org/ntsb/CHI00FA229.md): Cessna 195A · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 28, 2000 · N1010D · Substantial damage
  > The pilots failure to maintain directional control. A factor was the landing gear being out of alignment.

## 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 ('35003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=35003&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.