# NTSB investigations: Beech H35, 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 CEN10LA433](https://openairdocs.org/ntsb/CEN10LA433.md): Beech H35 · Green Lake, WI · Accident · No injuries · Limited investigation · Final report · Jul 25, 2010 · N5443D · Substantial damage
  > A total loss of engine power during descent due to the overhaul facility’s inadequate maintenance.
- [NTSB CHI92LA213](https://openairdocs.org/ntsb/CHI92LA213.md): Beech H35 · Baraboo, WI · Accident · No injuries · Limited investigation · Final report · Jul 28, 1992 · N7957D · Substantial damage
  > Inadequate maintenance service and aircraft preflight by the pilot. A factor contributing to this accident was a partial failure of the brake system.
- [NTSB CHI65D0151](https://openairdocs.org/ntsb/CHI65D0151.md): Beechcraft H35 · Madison, WI · Accident · No injuries · Closed · Jul 28, 1965 · N5475D · Substantial damage
- [NTSB CHI66F0471](https://openairdocs.org/ntsb/CHI66F0471.md): Beechcraft H35 · Delavan, WI · Accident · No injuries · Closed · Jun 24, 1965 · N5493D · Substantial damage
- [NTSB UNK64X2101](https://openairdocs.org/ntsb/UNK64X2101.md): Beechcraft H35 · Milwaukee, WI · Accident · No injuries · Closed · Jun 4, 1964 · N5574D · 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 ('1151520'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1151520&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.
