# NTSB LAX75AL024: Bell 47G-5, N7081J, Riverside, CA, November 4, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 4, 1974
- Place: Riverside, CA · RIVERSIDE, CA
- Location: 33.9533° N, 117.3961° W: Placed by OpenAirDocs: center of Riverside, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9533&lon=-117.3961&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report January 10, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 143031
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75AL024
- Page: https://openairdocs.org/ntsb/LAX75AL024

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3754   74/11/4   RIVERSIDE,CALIF     CESSNA 140A         CR-  0  0  2  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1207                    N9452A              PX-  0  0  0  POWER/PIPELINE            AGE 26, 4880 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  2                            1650 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - RIVERSIDE
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          HAWTHORNE,CALIF             RETURN                       CLAREMONT,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - TOWER                               RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3754   74/11/4   RIVERSIDE,CALIF     BELL 47G-5          CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1207                    N7081J              PX-  0  0  0  POLICE PATROL             AGE 52, 11438 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  2                            HOURS, 5039 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - RIVERSIDE
        DEPARTURE POINT             INTENDED DESTINATION
          RIVERSIDE,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - CONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- CESSNA ON CABLE PATROL.HELI CIRCLING AT LOW ALT WORKING WITH POLICE GRND UNITS.BOTH ACFT LND OK.
```

## Aircraft 1

- Registration: [N7081J](https://openairdocs.org/deregistered/N7081J-1981-10-15), registration cancelled 1981-10-15, S/N 25029 (OpenAirDocs)
- Reported make and model: BELL 47G-5
- Registry model: [Bell 47G-5](https://openairdocs.org/model/bell-47g-5) (registry code 1181032) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Riverside

## Aircraft 2

- Registration: [N9452A](https://openairdocs.org/deregistered/N9452A-2015-05-21), registration cancelled 2015-05-21, S/N 15464, built 1951 (OpenAirDocs)
- Reported make and model: CESSNA 140A
- Registry model: [Cessna 140A](https://openairdocs.org/model/cessna-140a) (registry code 2071604) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Riverside

## FAA reports on this event (2)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19741104042391A](https://openairdocs.org/incident/19741104042391A), Nov 4, 1974: Bell 47G5, Riverside, CA, Substantial damage. Cessna on cable patrol. Heli circling at low alt working with police grnd units. Both acft lnd ok.
- [Accident 19741104042392A](https://openairdocs.org/incident/19741104042392A), Nov 4, 1974: Cessna 140A, Riverside, 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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