# NTSB LAX66A0083: Bell 47G, N2473B, Santa Susana, CA, May 6, 1966

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 6, 1966
- Place: Santa Susana, CA · SANTA SUSANA, CA
- Location: 34.2586° N, 118.6643° W: Placed by OpenAirDocs: center of Santa Susana, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.2586&lon=-118.6643&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 23, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172425
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX66A0083
- Page: https://openairdocs.org/ntsb/LAX66A0083

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0376   66/5/6    SANTA SUSANA CAL    BELL 47G            CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1305                    N2473B              PX-  0  0  0  SEARCH AND RESCUE         AGE 54, 1504 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1124 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - SANTA SUSANA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      LANDING: FINAL APPROACH
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - LATERAL CONTROL PROBLEM
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- PILOT STRUCK WIRES,LANDED AND INSPECTED ROTOR DAMAGE.ROTOR FAILED ABOUT 15-MINS.AFTER NEXT TAKEOFF
```

## Aircraft

- Registration: [N2473B](https://openairdocs.org/aircraft/N2473B), registered now, S/N 1450, built 1955 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6V 350 series](https://openairdocs.org/engine/franklin-6v-350-series) (registry code 27043, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Santa Susana

## Other investigations on N2473B (2)

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 LAX93FA272](https://openairdocs.org/ntsb/LAX93FA272), Jul 2, 1993: Bell 47G2-M (N2473B), S. Sn Francisco, CA, destroyed, 1 fatal. Probable cause: THE PILOT'S INADEQUATE PREFLIGHT PLANNING/PREPARATION WHICH RESULTED IN FLIGHT INTO HIGH WINDS, TURBULENCE AND WINDSHEAR.
- [NTSB LAX73FUQ35](https://openairdocs.org/ntsb/LAX73FUQ35), May 23, 1973: Bell 47G (N2473B), San Frnando, 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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