# NTSB investigations: Hiller UH-12L4, CA

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 LAX84LA294](https://openairdocs.org/ntsb/LAX84LA294.md): Hiller UH-12E (Soloy) · Delano, CA · Accident · Minor injuries · Limited investigation · Final report · May 10, 1984 · N90461 · Substantial damage
  > The helicopter experienced an inflt failure of an eng mount, pn 63181-5, which bent the collective control rod & forced the the collective pitch into the up position. The helicopter then settled into the grapes it was spraying & made a hard landing. An…
- [NTSB LAX82FA245](https://openairdocs.org/ntsb/LAX82FA245.md): Hiller UH-12L3 · Stockton, CA · Accident · No injuries · Field investigation · Final report · Jul 1, 1982 · N86689 · Substantial damage
  > The pilot reported that the engine lost power at about 5 ft AGL as he was taking off from a trailer. He turned to avoid a gas and water tank near the poll truck. The helicopter came to rest, right-side-up, but was damaged. A fuel leak was found in a line that…
- [NTSB OAK77DVW25](https://openairdocs.org/ntsb/OAK77DVW25.md): Hiller 12SL4 · Bishop, CA · Accident · No injuries · Closed · Jul 1, 1977 · N90461 · Substantial damage
- [NTSB OAK73DVG28](https://openairdocs.org/ntsb/OAK73DVG28.md): Hiller UH12L4 · San Andreas, CA · Accident · No injuries · Closed · Oct 9, 1972 · N90487 · Substantial damage
- [NTSB OAK71DVM43](https://openairdocs.org/ntsb/OAK71DVM43.md): Hiller UH12L4 · Morgan Hill, CA · Accident · No injuries · Closed · Feb 23, 1971 · N90459 · Destroyed
- [NTSB LAX71FUA31](https://openairdocs.org/ntsb/LAX71FUA31.md): Hiller Acft UH12L4 · Fullerton, CA · Accident · No injuries · Closed · Dec 8, 1970 · N86690 · Substantial damage
- [NTSB OAK70D0153](https://openairdocs.org/ntsb/OAK70D0153.md): Hiller Acft UH-12L · Mammoth Lks, CA · Accident · Minor injuries · Closed · Sep 4, 1969 · N9730C · Substantial damage
- [NTSB LAX69D0359](https://openairdocs.org/ntsb/LAX69D0359.md): Hiller UH-12L · Victorville, CA · Accident · No injuries · Closed · May 5, 1969 · N86689 · Substantial damage
- [NTSB LAX68A0067](https://openairdocs.org/ntsb/LAX68A0067.md): Hiller UH12L4 · Cucamonga, CA · Accident · Serious injuries · Closed · Jan 15, 1968 · N90483 · Substantial damage
- [NTSB LAX67A0051](https://openairdocs.org/ntsb/LAX67A0051.md): Hiller UH12L4 · Castaic, CA · Accident · No injuries · Closed · Nov 17, 1966 · N90487 · Destroyed

## 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" = 'CA' 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 ('4360128'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360128&state=CA

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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.