# NTSB LAX80DVA64: Bell 47G, N148B, Bakersfield, CA, August 23, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 23, 1980
- Place: Bakersfield, CA · BAKERSFIELD, CA
- Location: 35.3733° N, 119.0187° W: Placed by OpenAirDocs: center of Bakersfield, CA, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3733&lon=-119.0187&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 30, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129558
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80DVA64
- Page: https://openairdocs.org/ntsb/LAX80DVA64

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1933  80/8/23  NR.BAKERSFIELD,CA     BELL 47G            CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 34, 1229
        TIME - 1700                    N148B               PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BAKERSFIELD,CA               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           COLLIDED WITH: TREES                                     LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      70
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          135                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- MAG CK-100RPM DIFFERENCE BFR TKOF.D/A 6000FT.8 PLUGS FAILED CK,LEAD DEPOSITS,ELECTRODES BURNED.
```

## Aircraft

- Registration: [N148B](https://openairdocs.org/deregistered/N148B-2012-06-21), registration cancelled 2012-06-21, S/N 78, built 1947 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mountain Meadow

## 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 19800823037639A](https://openairdocs.org/incident/19800823037639A), Aug 23, 1980: Bell 47G, Bakersfield, CA, Substantial damage. Engine malfunction caused pilot to abort takeoff. Crash occurred during emergency landing.

## Other investigations on N148B (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 LAX67A0105](https://openairdocs.org/ntsb/LAX67A0105), May 8, 1967: Bell 47G (N148B), Bakersfield, 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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