# NTSB OAK70F0088: Bell 47G3B1, N1130W, Fresno, CA, July 25, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 25, 1969
- Place: Fresno, CA · FRESNO, CA
- Location: 36.7477° N, 119.7724° W: Placed by OpenAirDocs: center of Fresno, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.7477&lon=-119.7724&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 13, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 161066
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70F0088
- Page: https://openairdocs.org/ntsb/OAK70F0088

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3249  69/7/25    FRESNO,CALIF        BELL 47G3B1         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 33, 6225
        TIME - 0930                    N1130W              PX-  0  0  0  FERRY                     TOTAL HOURS, 1200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FRESNO AIR
        DEPARTURE POINT             INTENDED DESTINATION
          FRESNO,CALIF                FRESNO,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
```

## Aircraft

- Registration: N1130W (not matched to a registry record)
- Reported make and model: BELL 47G3B1
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Fresno Air

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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