# NTSB LAX70A0031: Bell 47J, N73921, Goleta, CA, November 21, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 21, 1969
- Place: Goleta, CA · GOLETA, CA
- Location: 34.4354° N, 119.8589° W: Placed by OpenAirDocs: center of Goleta, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.4354&lon=-119.8589&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report April 28, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 149457
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70A0031
- Page: https://openairdocs.org/ntsb/LAX70A0031

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3754  69/11/21   GOLETA,CALIF        BELL 47J            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 48, 8833
        TIME - 0707                    N73921              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 4543 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - SANTA BARBARA
        DEPARTURE POINT             INTENDED DESTINATION
          GOLETA,CALIF                BLUE WATER NR 2 RIG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- SUDDEN ENG OVERSPEED,LOSS OF ROTOR RPM. SUSPECTED SLIPPAGE OF FREE-WHEELING UNIT.NO EVIDENCE FOUND
```

## Aircraft

- Registration: [N73921](https://openairdocs.org/deregistered/N73921-2013-07-23), registration cancelled 2013-07-23, S/N 2621, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47J
- Registry model: [Bell 47J-2](https://openairdocs.org/model/bell-47j-2) (registry code 1181104) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Santa Barbara

## Other investigations on N73921 (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 LAX71FVQ74](https://openairdocs.org/ntsb/LAX71FVQ74), Apr 10, 1971: Bell 47J2 (N73921), Sta Barbara, 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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