# NTSB LAX69D0041: Bell 47G3B1, N1110J, Boron, CA, June 25, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 25, 1968
- Place: Boron, CA · BORON, CA
- Location: 35.0300° N, 117.6689° W: Placed by OpenAirDocs: center of Boron, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0300&lon=-117.6689&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report September 4, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109927
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX69D0041
- Page: https://openairdocs.org/ntsb/LAX69D0041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2096  68/6/25    BORON,CALIF         BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0105                    N1110J              PX-  0  0  2  AIR TAXI-PASSG            AGE 35, 2000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BORON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: BEARINGS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- IMPROPERLY INSTALLED ROLLER BEARING.SNAP RING NOT INSTALLED DUE TO ERROR IN PARTS MANUAL.
```

## Aircraft

- Registration: [N1110J](https://openairdocs.org/deregistered/N1110J-1988-04-11), registration cancelled 1988-04-11, S/N 2906, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boron

## Other investigations on N1110J (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 MIA66A0108](https://openairdocs.org/ntsb/MIA66A0108), Mar 20, 1966: Bell 47G3B1 (N1110J), Fredericksted, VI, 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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