# NTSB LAX68A0059: Bell 47G-2, N321R, Lahabra, CA, December 2, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 2, 1967
- Place: Lahabra, CA · LAHABRA, CA
- Location: 33.9279° N, 117.9526° W: Placed by OpenAirDocs: center of La Habra, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9279&lon=-117.9526&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 30, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 113129
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX68A0059
- Page: https://openairdocs.org/ntsb/LAX68A0059

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1179   67/12/2   LAHABRA,CALIF       BELL 47G-2          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 51, 1632
        TIME - 1410                    N321R               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 31 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: TAIL ROTOR PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- SEPARATION OF T/R PITCH CHANGE LINK.IMPROPER INSTALLATION.TENSILE STRENGTH BELOW MFGR REQUIREMENTS
```

## Aircraft

- Registration: [N321R](https://openairdocs.org/deregistered/N321R-2018-01-18), registration cancelled 2018-01-18, S/N 397 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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