# NTSB investigations: Jacobs L4 /R755-7, 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 CEN24LA280](https://openairdocs.org/ntsb/CEN24LA280.md): Cessna 195A · Greenville, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 19, 2024 · N1524D · Substantial damage
  > The pilot’s loss of directional control during landing which led to a ground-loop.
- [NTSB CEN21LA422](https://openairdocs.org/ntsb/CEN21LA422.md): Cessna 195 · Ypsilanti, MI · Accident · No injuries · Class 4 · Limited · Final report · Sep 16, 2021 · N4358V · Substantial damage
  > The pilot’s failure to maintain directional control during taxi, which resulted in a ground loop.
- [NTSB CHI07CA172](https://openairdocs.org/ntsb/CHI07CA172.md): Cessna 195 · Battle Creek, MI · Accident · No injuries · Data collection · Final report · Jun 19, 2007 · N4358V · Substantial damage
  > The pilot's failure to maintain directional control of the aircraft during the landing roll which resulted in a ground loop.
- [NTSB CHI05LA099](https://openairdocs.org/ntsb/CHI05LA099.md): Cessna 195A · Jackson, MI · Accident · No injuries · Limited investigation · Final report · Apr 18, 2005 · N1082D · Substantial damage
  > The fracture of the left brake master cylinder piston rod, which resulted in the total failure of the left-side brake system and the subsequent loss of directional control during landing roll. An additional cause was the encountered ground-loop.
- [NTSB CHI91LA190](https://openairdocs.org/ntsb/CHI91LA190.md): Cessna 195 · Detroit, MI · Accident · No injuries · Limited investigation · Final report · Jun 13, 1991 · N4351V · Substantial damage
  > Failure to maintain directional control, and inadequate aircraft preflight. A factor related to the accident is the instructor pilot's lack of experience in the type aircraft.
- [NTSB CHI74FEM16](https://openairdocs.org/ntsb/CHI74FEM16.md): Beech E17L · Charlevoix, MI · Accident · Minor injuries · Closed · Aug 11, 1973 · N19467 · Destroyed
- [NTSB CHI70FBJ01](https://openairdocs.org/ntsb/CHI70FBJ01.md): Cessna UC-78B · South Haven, MI · Accident · No injuries · Closed · Jan 8, 1970 · N63878 · 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" = '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 ('35003'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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