# Final NTSB investigations: Hiller-Roberts OH23G

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 LAX86LA242](https://openairdocs.org/ntsb/LAX86LA242.md): Hiller UH-12E · Thermal, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 1986 · N8503W · Destroyed
  > The helicopter collided with terrain during a maneuvering turn while applying a pesticide to a cultivated field. The acft was seen on the pass just prior to the accident and the acft appeared to be lower than usual. The acft was destroyed by post-impact fire.
- [NTSB DEN80FA048](https://openairdocs.org/ntsb/DEN80FA048.md): Hiller Acft OH-23G · Cutbank, MT · Accident · Serious injuries · Closed · Jul 16, 1980 · N603RA · Destroyed
- [NTSB FTW78DQD22](https://openairdocs.org/ntsb/FTW78DQD22.md): Hiller UH-12E · Van Horn, TX · Accident · No injuries · Closed · Jun 20, 1978 · N603RA · 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4362305'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4362305&status=final

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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.
