# NTSB investigations: Hiller UH-12E, 1995

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 LAX95LA318](https://openairdocs.org/ntsb/LAX95LA318.md): Hiller UH-12E · Dos Palos, CA · Accident · No injuries · Limited investigation · Final report · Sep 1, 1995 · N4027D · Substantial damage
  > the fatigue failure of the tail rotor tension torsion bar plates.
- [NTSB CHI95LA202](https://openairdocs.org/ntsb/CHI95LA202.md): Hiller UH-12E · Blue Rapids, KS · Accident · No injuries · Limited investigation · Final report · Jun 27, 1995 · N1349A · Substantial damage
  > the leaking drain in the main fuel sump. Factors to the accident were the incorrect fuel indication, the ravine, fuel exhaustion, and the low rotor RPM.
- [NTSB SEA95LA077](https://openairdocs.org/ntsb/SEA95LA077.md): Hiller UH-12E · Timber, OR · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 1995 · N508HV · Substantial damage
  > The pilot's inadequate aircraft preflight during which he failed to notice the main rotor shipping block had not been removed, and the resultant restricted movement of the flight control system.
- [NTSB LAX95LA132](https://openairdocs.org/ntsb/LAX95LA132.md): Hiller UH-12E · Five Points, CA · Accident · No injuries · Limited investigation · Final report · Mar 12, 1995 · N172ET · Substantial damage
  > fuel exhaustion due to the pilot's inattention to the fuel supply.
- [NTSB LAX95LA109](https://openairdocs.org/ntsb/LAX95LA109.md): Hiller UH-12E · Arvin, CA · Accident · No injuries · Limited investigation · Final report · Feb 15, 1995 · N5335V · Substantial damage
  > The seizure of the transmission due to lack of lubrication from a plugged oil supply line.
- [NTSB LAX95LA096](https://openairdocs.org/ntsb/LAX95LA096.md): Hiller UH-12E · Chowchilla, CA · Accident · No injuries · Limited investigation · Final report · Feb 3, 1995 · N9293Z · Destroyed
  > the in-flight failure and separation of the main rotor hub due to a fatigue crack.

## 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 year(c."eventDate") = 1995
  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&year=1995

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