# NTSB LAX69F0045: Hughes 269B, N9456F, Paramount, CA, July 4, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 4, 1968
- Place: Paramount, CA · PARAMOUNT, CA
- Location: 33.8997° N, 118.1666° W: Placed by OpenAirDocs: center of Paramount, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8997&lon=-118.1666&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report September 6, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109938
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX69F0045
- Page: https://openairdocs.org/ntsb/LAX69F0045

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2106   68/7/4    PARAMOUNT,CALIF     HUGHES 269B         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1255                    N9456F              PX-  0  0  1  POLICE PATROL             AGE 35, 2005 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1765 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - COMPTON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - LUBRICATING SYSTEM: MAGNETIC PLUGS
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           MISCELLANEOUS ACTS,CONDITIONS - WRONG PART
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- CRASHED ON 45 DEG RIVER BANK.PIPER PLUG CAME OUT DUE TO LACK OF SAFETY WIRE/NOT TIGHTENED.
```

## Aircraft

- Registration: [N9456F](https://openairdocs.org/deregistered/N9456F-2013-05-23), registration cancelled 2013-05-23, S/N 16-0233, built 1967 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Compton

## Other investigations on N9456F (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 LAX89LA152](https://openairdocs.org/ntsb/LAX89LA152), Apr 8, 1989: Hughes 269B (N9456F), Long Beach, CA, substantial damage. Probable cause: IMPROPER IN-FLIGHT PLANNING/DECISION BY THE PILOT, WHICH LED TO AN INADEQUATE SUPPLY OF FUEL TO REACH THE AIRPORT AND SUBSEQUENT FUEL EXHAUSTION. THE PILOT'S LACK OF FLIGHT TIME IN THIS MAKE AND…

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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