# NTSB LAX79DA091: Bell 47G2, N5783, Greenfield, CA, September 23, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 23, 1979
- Place: Greenfield, CA · GREENFIELD, CA
- Location: 36.3240° N, 121.2437° W: Placed by OpenAirDocs: center of Greenfield, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.3240&lon=-121.2437&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 19, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 133532
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX79DA091
- Page: https://openairdocs.org/ntsb/LAX79DA091

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2773  79/9/23  NR.GREENFIELD,CA      BELL 47G2           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 35, 6000
        TIME - 0900                    N5783               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GREENFIELD,CA              GREENFIELD,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           TERRAIN - WET,SOFT GROUND
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- STABILIZER BAR FAILED IN FLIGHT,NOT FOUND.
```

## Aircraft

- Registration: [N5783](https://openairdocs.org/deregistered/N5783-1990-08-17), registration cancelled 1990-08-17, S/N 63 (OpenAirDocs)
- Reported make and model: BELL 47G2
- Registry model: [Bell 47G-2](https://openairdocs.org/model/bell-47g-2) (registry code 1181008) (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 19790923032289A](https://openairdocs.org/incident/19790923032289A), Sep 23, 1979: Bell 47G2, Greenfield, CA, Substantial damage. Helicopter made hard emergency landing after start of severe rotor vibration, due to loss of a stabilizer bar.

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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