# NTSB OAK78FVG33: Hiller Acft UH-12E, N5367V, Oroville, CA, May 4, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 4, 1978
- Place: Oroville, CA · OROVILLE, CA
- Location: 39.4952° N, 121.5599° W: Placed by OpenAirDocs: center of Oroville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.4952&lon=-121.5599&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report June 8, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142326
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78FVG33
- Page: https://openairdocs.org/ntsb/OAK78FVG33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0858   78/5/4  NR.OROVILLE,CA        HILLER ACFT UH-12E  CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 27, 1830
        TIME - 0920                    N5367V              PX-  0  0  1  TEST                      TOTAL HOURS, 166 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BERRY CREEK,CA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: COLLECTIVE PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PITCH CONTROL PROBLEM
        REMARKS- COLLECTIVE CONTROL ROD DISCONNECTED IN FLIGHT.PASSENGER MANUALLY OPERATED PITCH CONTROL TO LAND.
```

## Aircraft

- Registration: [N5367V](https://openairdocs.org/deregistered/N5367V-2020-10-17), registration cancelled 2020-10-17, S/N 2051, built 1960 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12E
- 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

## 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 19780504009779A](https://openairdocs.org/incident/19780504009779A), May 4, 1978: Hiller UH12C, Oroville,Ca, CA, Destroyed. Collective control rod disconnected in flight. Passenger manually opeated pitch control to land.

## Other investigations on N5367V (2)

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 SEA74FYC36](https://openairdocs.org/ntsb/SEA74FYC36), Mar 5, 1974: Hiller Acft UH-12E (N5367V), Mt Hood, OR, substantial damage
- [NTSB SEA65A0039](https://openairdocs.org/ntsb/SEA65A0039), Jan 12, 1965: Hiller UH12E (N5367V), Centerville, WA, 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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