# NTSB investigations: Hughes 269B, 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 CHI86LA236](https://openairdocs.org/ntsb/CHI86LA236.md): Hughes 269B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Sep 26, 1986 · N9427F · Substantial damage
  > After picking up his passenger at williams pipeline, minneapolis, Minnesota, the plt flew eastward along interstate 90 enroute to a pipeline near wausau, Wisconsin. While flying at approximatelly 400 feet, the plt and passenger stated that the engine started…
- [NTSB CHI77FEP49](https://openairdocs.org/ntsb/CHI77FEP49.md): Hughes 269B · Waupaca, WI · Accident · Serious injuries · Closed · Aug 2, 1977 · N9448F · Substantial damage
- [NTSB CHI71FDJ09](https://openairdocs.org/ntsb/CHI71FDJ09.md): Hughes 269B · Green Bay, WI · Accident · No injuries · Closed · Aug 5, 1970 · N9308F · Destroyed
- [NTSB CHI65A0106](https://openairdocs.org/ntsb/CHI65A0106.md): Hughes 269B · Gile, WI · Accident · No injuries · Closed · Jun 20, 1965 · N9355F · 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.aircraft_model_code IN ('4470502'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4470502&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.