# NTSB LAX67A0034: Bell 47G3B1, N1166W, Pearlblosom, CA, October 1, 1966

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 1, 1966
- Place: Pearlblosom, CA · PEARLBLOSOM, CA
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed, report May 24, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120974
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX67A0034
- Page: https://openairdocs.org/ntsb/LAX67A0034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1027   66/10/1   PEARLBLOSOM CALIF   BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 7000
        TIME - 0914                    N1166W              PX-  0  0  2  CTR PASSG-D               TOTAL HOURS, 450 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ISLIP BALLPARK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           POWERPLANT - FUEL SYSTEM: CARBURETOR
           POWERPLANT - FUEL SYSTEM: OTHER
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- NO.2 INTAKE VALVE NOT SEATING-ERRATIC CARBURETOR-TURBOCHARGER HAD WARPED BYPASS GATE VALVE.
```

## Aircraft

- Registration: N1166W (not matched to a registry record)
- Reported make and model: BELL 47G3B1
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Islip Ballpark

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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