# NTSB investigations: Hiller UH-12C, TX

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 FTW84LA099](https://openairdocs.org/ntsb/FTW84LA099.md): Hiller UH-12C · Imperial, TX · Accident · No injuries · Limited investigation · Final report · Dec 16, 1983 · N63MC · Substantial damage
  > The plt reported that when he was in cruise flt at 300 ft AGL, a sudden violent shudder went thru the whole helicopter, then the shudder stopped. He noted no change in the flit characteristics or eng power. The plt elected to make a precautionary landing by…
- [NTSB FTW81FPD31](https://openairdocs.org/ntsb/FTW81FPD31.md): Hiller Acft UH-12C · Burleson, TX · Accident · No injuries · Closed · Jul 15, 1981 · N57CR · Substantial damage
- [NTSB FTW73DPD34](https://openairdocs.org/ntsb/FTW73DPD34.md): Hiller Acft UH-12C · Justin, TX · Accident · No injuries · Closed · May 14, 1973 · N5328V · Destroyed
- [NTSB FTW73DPD17](https://openairdocs.org/ntsb/FTW73DPD17.md): Hiller Acft UH-12C · Valley View, TX · Accident · No injuries · Closed · Dec 23, 1972 · N5328V · Substantial damage
- [NTSB FTW72DPD09](https://openairdocs.org/ntsb/FTW72DPD09.md): Hiller UH12C · Roanoke, TX · Accident · No injuries · Closed · Sep 5, 1971 · N5328V · 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" = 'TX' 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 ('4360116'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360116&state=TX

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