# NTSB LAX71DUJ06: Bell 47G3B1, N1358X, Elfrida, AZ, July 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 13, 1970
- Place: Elfrida, AZ · ELFRIDA, AZ
- Location: 31.6792° N, 109.6869° W: Placed by OpenAirDocs: center of Elfrida, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.6792&lon=-109.6869&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 10, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 115731
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71DUJ06
- Page: https://openairdocs.org/ntsb/LAX71DUJ06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0864  70/7/13  NR.ELFRIDA,ARIZ       BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 23, 1824
        TIME - 1730                    N1358X              PX-  0  0  1  ASSOC FIRE CTL ACTIVITY   TOTAL HOURS, 109 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MONTE VISTA,ARIZ           ELFRIDA,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: DESCENDING
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- PX INADVERTENTLY DROPPED ROPE OUT OF COCKPIT WHICH TANGLED,SHEARED T/R SHAFT.
```

## Aircraft

- Registration: [N1358X](https://openairdocs.org/deregistered/N1358X-2017-07-13), registration cancelled 2017-07-13, S/N 6569, built 1966 (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)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N1358X (4)

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 ATL90LA030](https://openairdocs.org/ntsb/ATL90LA030), Nov 25, 1989: Bell 47G-3B1 (N1358X), Ewell, AL, substantial damage. Probable cause: THE LOSS OF ENGINE POWER, FOR UNDETERMINED REASONS, AT LOW ALTITUDE DURING A PRACTICE AUTOROTATION. CONTRIBUTING TO THE ACCIDENT WAS THE INSTRUCTOR'S FAILURE TO PROPERLY PLAN THE DEMONSTRATED…
- [NTSB LAX78DUJ67](https://openairdocs.org/ntsb/LAX78DUJ67), Jun 11, 1978: Bell 47G3B1 (N1358X), Whiteriver, AZ, substantial damage
- [NTSB LAX76AL009](https://openairdocs.org/ntsb/LAX76AL009), Aug 5, 1975: Bell 47G3B1 (N1358X), Mt.Baldy, CA, substantial damage
- [NTSB OAK76DXQ05](https://openairdocs.org/ntsb/OAK76DXQ05), Jul 8, 1975: Bell 47G3B1 (N1358X), Mommoth Lakes, CA, 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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