# NTSB LAX76AL009: Bell 47G3B1, N1358X, Mt.Baldy, CA, August 5, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 5, 1975
- Place: Mt.Baldy, CA · MT.BALDY, CA
- Location: 34.2361° N, 117.6601° W: Placed by OpenAirDocs: center of Mount Baldy, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2361&lon=-117.6601&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report August 12, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149548
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76AL009
- Page: https://openairdocs.org/ntsb/LAX76AL009

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1734   75/8/5  NR.MT.BALDY,CA        BELL 47G3B1         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 27, 1734
        TIME - 1030                    N1358X              PX-  0  1  0  OTHER PUBLIC              TOTAL HOURS, 131 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          UPLAND,CA                   RETURN                      MT.BALDY,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND CLEARANCE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
           TERRAIN - HIGH OBSTRUCTIONS
```

## 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

## 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 19750805022439A](https://openairdocs.org/incident/19750805022439A), Aug 5, 1975: Bell 47G3B1, Mt.Baldy, CA, 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 OAK76DXQ05](https://openairdocs.org/ntsb/OAK76DXQ05), Jul 8, 1975: Bell 47G3B1 (N1358X), Mommoth Lakes, CA, substantial damage
- [NTSB LAX71DUJ06](https://openairdocs.org/ntsb/LAX71DUJ06), Jul 13, 1970: Bell 47G3B1 (N1358X), Elfrida, AZ, 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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