# NTSB DEN76AD040: Hiller Acft UH-12E, N67159, Bluff, UT, March 14, 1976

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 14, 1976
- Place: Bluff, UT · BLUFF, UT
- Location: 37.2844° N, 109.5518° W: Placed by OpenAirDocs: center of Bluff, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.2844&lon=-109.5518&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 1 minor
- Status: Completed, report May 20, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153519
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76AD040
- Page: https://openairdocs.org/ntsb/DEN76AD040

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0857  76/3/14  NR.BLUFF,UT           HILLER ACFT UH-12E  CR-  0  1  0  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 1200                    N67159              PX-  0  1  1  OTHER PUBLIC              34, 4903 TOTAL HOURS, 313
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KANE GULCH STA,UT           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- WOBBLE PLATE PYLON,PART NR 34004,FAILED. COMPANY FLT PLAN.
```

## Aircraft

- Registration: [N67159](https://openairdocs.org/deregistered/N67159-2013-02-13), registration cancelled 2013-02-13, S/N 1716, built 1965 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12E
- Registry model: [Hiller-Miller UH-12E](https://openairdocs.org/model/hiller-miller-uh-12e) (registry code 4361201) (OpenAirDocs)
- Registry engine: [Lycoming I0-360 series](https://openairdocs.org/engine/lycoming-i0-360-series) (registry code 41558, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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