# NTSB LAX70F0142: Bell 47-H, N1Z, Laguna Bch, CA, August 30, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 30, 1969
- Place: Laguna Bch, CA · LAGUNA BCH, CA
- Location: 33.5432° N, 117.7618° W: Placed by OpenAirDocs: center of Laguna Beach, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.5432&lon=-117.7618&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report December 10, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 158146
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70F0142
- Page: https://openairdocs.org/ntsb/LAX70F0142

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2562  69/8/30    LAGUNA BCH,CALIF    BELL 47-H           CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 37, 276
        TIME - 1600                    N1Z                 PX-  0  1  0  BUSINESS                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          VAN NUYS,CALIF              LONG BEACH,CALIF            UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           DITCHING                                                 LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      74
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- SANK OFF SHORE IN OCEAN. DEW POINT 70 DEG.
```

## Aircraft

- Registration: [N1Z](https://openairdocs.org/deregistered/N1Z-2003-04-18), registration cancelled 2003-04-18, S/N 1367, built 1956 (OpenAirDocs)
- Reported make and model: BELL 47-H
- Registry model: [Bell 47H-1](https://openairdocs.org/model/bell-47h-1) (registry code 1181011) (OpenAirDocs)
- Registry engine: [Franklin 6A4200 series](https://openairdocs.org/engine/franklin-6a4200-series) (registry code 27027, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N1Z (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 UNK65X0522](https://openairdocs.org/ntsb/UNK65X0522), Nov 1, 1964: Bell 47H1 (N1Z), Lagunabeach, 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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