# NTSB SEA79DYM55: Hiller Acft UH-12E, N6ZH, Warm Spgs Res, OR, July 28, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 28, 1979
- Place: Warm Spgs Res, OR · WARM SPGS RES, OR
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report January 30, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 134273
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA79DYM55
- Page: https://openairdocs.org/ntsb/SEA79DYM55

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2993  79/7/28    WARM SPGS RES,OR    HILLER ACFT UH-12E  CR-  0  0  2  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N6ZH                PX-  0  0  0  OTHER                     AGE 51, 14100 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, 500 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WARM SPGS RES,OR            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- CONROD CAP BOLT FAILED. HERDING HORSES. PLT HAD TO LND ON STEEP SLOPE.
```

## Aircraft

- Registration: N6ZH (not matched to a registry record)
- Reported make and model: HILLER ACFT UH-12E
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19790728034009A](https://openairdocs.org/incident/19790728034009A), Jul 28, 1979: Hiller UH12E, Warm Springs Re, OR, Destroyed. Engine stopped due to rod failure while herding horses. Helicopter hit ground. Rolled over.

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

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