# NTSB investigations: Hiller OH-23G

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 ANC94LA045](https://openairdocs.org/ntsb/ANC94LA045.md): Hiller UH12E · Valdez, AK · Accident · No injuries · Limited investigation · Final report · Apr 9, 1994 · N87594 · Substantial damage
  > The inadvertent closure of the fuel supply shutoff valve.
- [NTSB LAX87DVA04](https://openairdocs.org/ntsb/LAX87DVA04.md): Hiller OH-23G · Delano, CA · Accident · No injuries · Final report · Mar 8, 1987 · N99232 · Substantial damage
  > During an aerial application flight, the pilot returned to the loading truck for approximately 5 additional gallons of chemical to finish the application. The loader; however, loaded 70 gallons and when the pilot took off the rotor RPM began to bleed off. The…
- [NTSB SEA83LA059](https://openairdocs.org/ntsb/SEA83LA059.md): Hiller UH-12D · Near Oakridge, OR · Accident · No injuries · Limited investigation · Final report · Feb 25, 1983 · N62398 · Substantial damage
  > According to the pilot, a 250 lb load on a 30 ft external line had been set down at a site at an elevation of about 3500 ft MSL. After the load was released, the pilot attempted to transition from a hover to a climb, but the helicopter began to settle.…
- [NTSB LAX81DVD28](https://openairdocs.org/ntsb/LAX81DVD28.md): Hiller Acft UH-12E · Orleans, CA · Accident · No injuries · Closed · May 30, 1981 · N62409 · Substantial damage
- [NTSB SEA81FYM25](https://openairdocs.org/ntsb/SEA81FYM25.md): Hiller Acft UH-12E · Milton-Freewtr, OR · Accident · No injuries · Closed · May 29, 1981 · N99575 · Substantial damage
- [NTSB SEA78DYP44](https://openairdocs.org/ntsb/SEA78DYP44.md): Hiller Acft UH-12E · Mesa, WA · Accident · No injuries · Closed · Jul 21, 1978 · N99575 · Substantial damage
- [NTSB LAX77DVA35](https://openairdocs.org/ntsb/LAX77DVA35.md): Hiller Acft UH-12E · Bakersfield, CA · Accident · No injuries · Closed · Jun 1, 1977 · N99242 · Destroyed
- [NTSB SEA76DYG67](https://openairdocs.org/ntsb/SEA76DYG67.md): Hiller Acft UH-12E · Clark Fork, ID · Accident · No injuries · Closed · Sep 27, 1976 · N62409 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4360121'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360121

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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.
