# NTSB DEN65A0066: Hiller UH12E, N9784C, Ne Bouse, AZ, April 15, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 15, 1965
- Place: Ne Bouse, AZ · NE BOUSE, AZ
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 24, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179299
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN65A0066
- Page: https://openairdocs.org/ntsb/DEN65A0066

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0360  65/4/15    NE BOUSE ARIZ       HILLER UH12E        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1016                    N9784C              PX-  0  0  2  AIR TAXI-PASSG            AGE 49, 4500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            365 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      TAKEOFF: INITIAL CLIMB
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
          PERSONNEL-FAILURE TO RECORD OPERATING DEFICIENCIES
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           PERSONNEL - OPERATIONAL SUPERVISORY PERSONNEL: INADEQUATE FLIGHT TRAINING-PROCEDURES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N9784C](https://openairdocs.org/deregistered/N9784C-2013-07-01), registration cancelled 2013-07-01, S/N 2268, built 1963 (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9784C (1)

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 ANC80DAD10](https://openairdocs.org/ntsb/ANC80DAD10), Aug 23, 1980: Hiller Acft UH-12E (N9784C), Petersburg, AK, 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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