# NTSB LAX66A0022: Hughes 269B, N9429F, Zuma Beach, CA, August 28, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 28, 1965
- Place: Zuma Beach, CA · ZUMA BEACH, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report October 22, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 176322
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX66A0022
- Page: https://openairdocs.org/ntsb/LAX66A0022

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0531  65/8/28    ZUMA BEACH CALIF    HUGHES 269B         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 30, 388
        TIME - 1235                    N9429F              PX-  0  0  0  POLICE PATROL             TOTAL HOURS, 145 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
          PILOT-IMPROPERLY EXECUTED AUTOROTATIVE LANDING
        FACTOR(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- BUMPER PLUG HOLDING DR. SHAF LEFT OFF AT ENG CHG
```

## Aircraft

- Registration: [N9429F](https://openairdocs.org/deregistered/N9429F-1969-03-21), registration cancelled 1969-03-21, S/N 35-0177 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9429F (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 LAX66A0011](https://openairdocs.org/ntsb/LAX66A0011), Jul 24, 1965: Hughes 269B (N9429F), Redondo Beach, 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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