# NTSB investigations: Jacobs R755B 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 CHI99LA199](https://openairdocs.org/ntsb/CHI99LA199.md): Boeing Stearman B75N1 · Kalamazoo, MI · Accident · No injuries · Limited investigation · Final report · Jun 26, 1999 · N2PP · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing. A factor was the variable wind condition.
- [NTSB CHI98LA249](https://openairdocs.org/ntsb/CHI98LA249.md): Cessna 190 · Pontiac, MI · Accident · No injuries · Limited investigation · Final report · Jul 14, 1998 · N56W · Substantial damage
  > improper procedures used during the replacement of the landing gear which resulted in pitting and corrosion of the gear spring.
- [NTSB CHI91LA277](https://openairdocs.org/ntsb/CHI91LA277.md): Classic YMF5 · Hart, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1991 · N64JE · Substantial damage
  > Failure of the pilot to maintain directional control of the airplane during a takeoff ground run.
- [NTSB CHI78FEC37](https://openairdocs.org/ntsb/CHI78FEC37.md): Cessna 195 · Ypsilati, MI · Accident · No injuries · Closed · Jun 25, 1978 · N3050B · 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 ('35007'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=35007&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.
