# NTSB LAX78FUA13: Bell 47G, N4475, Torrance, CA, March 25, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 25, 1978
- Place: Torrance, CA · TORRANCE, CA
- Location: 33.8305° N, 118.3566° W: Placed by OpenAirDocs: center of Torrance, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8305&lon=-118.3566&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 25, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142605
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX78FUA13
- Page: https://openairdocs.org/ntsb/LAX78FUA13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0475  78/3/25    TORRANCE,CA         BELL 47G            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1456
        TIME - 1745                    N4475               PX-  0  0  2  OTHER                     TOTAL HOURS, 20 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TORRANCE
        DEPARTURE POINT             INTENDED DESTINATION
          TORRANCE,CA                 SAN PEDRO,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        REMARKS- SCENIC FLT OPERATION
```

## Aircraft

- Registration: [N4475](https://openairdocs.org/deregistered/N4475-2012-11-29), registration cancelled 2012-11-29, S/N 5503, built 1969 (OpenAirDocs)
- Reported make and model: BELL 47G
- Registry model: [Bell 47G](https://openairdocs.org/model/bell-47g) (registry code 1181002) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Torrance

## 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 19780325004589A](https://openairdocs.org/incident/19780325004589A), Mar 25, 1978: Bell 47G, Torrance, CA, Substantial damage. Scenic flt operation

## Other investigations on N4475 (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 LAX84LA108](https://openairdocs.org/ntsb/LAX84LA108), Dec 21, 1983: Bell 47G (N4475), El Cajon, 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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