# NTSB investigations: Hiller UH-12E, AR

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 DFW05CA208](https://openairdocs.org/ntsb/DFW05CA208.md): Hiller UH-12E · Hampton, AR · Accident · Serious injuries · Data collection · Final report · Aug 10, 2005 · N535HA · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of the pilot's failure to refuel. A factor was unsuitable terrain to complete a successful autorotation.
- [NTSB FTW98LA253](https://openairdocs.org/ntsb/FTW98LA253.md): Hiller UH-12E · Delaplaine, AR · Accident · No injuries · Limited investigation · Final report · Jun 2, 1998 · N4028T · Substantial damage
  > The failure of maintenance personnel to comply with and airworthiness directive, which resulted in failure of the planetary gear due to lack of lubrication. A contributing factors was the lack of suitable terrain for the pilot to execute a forced landing.
- [NTSB FTW96LA385](https://openairdocs.org/ntsb/FTW96LA385.md): Hiller UH12E · Hamburg, AR · Accident · Minor injuries · Limited investigation · Final report · Sep 12, 1996 · N156HA · Substantial damage
  > The loss of tail rotor control as result of a tail rotor blade strike by a partially disconnected ballast weight, due to a disconnected pin. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW96LA315](https://openairdocs.org/ntsb/FTW96LA315.md): Hiller UH-12E · Mount Holly, AR · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1996 · N9743C · Substantial damage
  > Fuel exhaustion due to the pilot's failure to refuel the helicopter. A factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW94LA144](https://openairdocs.org/ntsb/FTW94LA144.md): Hiller UH-12E · Osage, AR · Accident · Minor injuries · Limited investigation · Final report · May 4, 1994 · N90469 · Substantial damage
  > Fuel exhaustion due to the pilot's failure to refuel and the lack of suitable terrain for a forced landing.
- [NTSB MKC84LA128](https://openairdocs.org/ntsb/MKC84LA128.md): Hiller UH-12E · Pocahontas, AR · Accident · No injuries · Limited investigation · Final report · Apr 24, 1984 · N9740C · Destroyed
  > The acft crashed after an engine failure during a swath run at an alt of 20 ft AGL. Examination of the engine revealed 3 dowel pins and 6 screws which hold the starter drive gear and the accessory drive gear had sheared. Metallurgical exam revealed that dowel…
- [NTSB FTW81FPG50](https://openairdocs.org/ntsb/FTW81FPG50.md): Hiller Acft UH-12E · Warren, AR · Accident · No injuries · Closed · Jun 21, 1981 · N178HA · 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" = 'AR' 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 ('4360122', '4360137'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4360122&state=AR

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