# NTSB investigations: Hiller-Tri-Plex Ind.Inc. UH-12B

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 ERA13LA118](https://openairdocs.org/ntsb/ERA13LA118.md): Hiller-Tri-Plex Ind.Inc. UH-12B · Okeechobee, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 26, 2013 · N9041U · Substantial damage
  > The pilot's failure to monitor carburetor temperature and use carburetor heat in conditions conducive to serious carburetor icing, which resulted in partial loss of engine power.
- [NTSB FTW93LA047](https://openairdocs.org/ntsb/FTW93LA047.md): Hiller UH12B · Justin, TX · Accident · No injuries · Limited investigation · Final report · Dec 2, 1992 · N1048P · Substantial damage
  > Failure of the main rotor system for undetermined reasons. A factor was the lack of suitable terrain at the pilot's disposal.
- [NTSB LAX85LA309](https://openairdocs.org/ntsb/LAX85LA309.md): Hiller UH-12B · Durham, CA · Accident · No injuries · Limited investigation · Final report · Jul 7, 1985 · N1048P · Substantial damage
  > The purpose of the LCL flight was for the CFI to demo the newly acquired helicopter to its owner. The CFI reported that during the flt a 'somewhat common' vibration was detected, & he associated the vibration with the acft's wooden main rotor blades. He…

## 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 ('4360801'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360801

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