# NTSB DEN81FTG01: Hiller UH12E, N5594N, Argusville, ND, October 3, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 3, 1980
- Place: Argusville, ND · ARGUSVILLE, ND
- Location: 47.0501° N, 96.9431° W: Placed by OpenAirDocs: center of Argusville, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.0501&lon=-96.9431&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 13, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 128054
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN81FTG01
- Page: https://openairdocs.org/ntsb/DEN81FTG01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3563   80/10/3 NR.ARGUSVILLE,ND      HILLER UH12E        CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 59, 18960
        TIME - 1630                    N5594N              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 68 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ARGUSVILLE,ND                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- P HOLDS A STUDENT ROTORCRAFT CERT. CLUTCH SHOES WORN BELOW MIN THICKNESS.NO LUB IN TORSIONAL DRIVE
```

## Aircraft

- Registration: [N5594N](https://openairdocs.org/deregistered/N5594N-1989-07-27), registration cancelled 1989-07-27, S/N 1453 (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## 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 19801003050129A](https://openairdocs.org/incident/19801003050129A), Oct 3, 1980: Hiller UH12E, Argusville, ND, Substantial damage. Pilot attempted emergency landing after main rotor clutch failed. Touched down on soft ground.

## Other investigations on N5594N (3)

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.

- [NTSB DEN89DTM02](https://openairdocs.org/ntsb/DEN89DTM02), May 13, 1989: Hiller UH-12E (N5594N), Mack, CO, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN PROPER ALTITUDE DURING A SWATH RUN.
- [NTSB CHI82DA301](https://openairdocs.org/ntsb/CHI82DA301), Aug 10, 1982: Hiller 12E (N5594N), Palisade, MN, substantial damage
- [NTSB CHI81FER59](https://openairdocs.org/ntsb/CHI81FER59), Jul 20, 1981: Hiller Acft UH-12E (N5594N), Glyndon, MN, substantial damage

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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