# NTSB LAX71FUG82: Hughes 269B, N9564F, Brmuda Duns, CA, May 8, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 8, 1971
- Place: Brmuda Duns, CA · BRMUDA DUNS, CA
- Location: 33.7435° N, 116.2873° W: Placed by OpenAirDocs: center of Bermuda Dunes, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.7435&lon=-116.2873&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 22, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161134
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71FUG82
- Page: https://openairdocs.org/ntsb/LAX71FUG82

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0448   71/5/8    BRMUDA DUNS,CALIF   HUGHES 269B         CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, AGE 38, 696
        TIME - 0955                    N9564F              PX-  0  0  0  FERRY                     TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LONG BEACH,CALIF            ATLANTA,GA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - SANDY
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- EXCEEDED MFG PRESRVATION TIME.NR 4 CON ROD & CYL FAILED.HIT SAND MOUND,M/R SEVRD T/BOOM.
```

## Aircraft

- Registration: [N9564F](https://openairdocs.org/deregistered/N9564F-1975-10-03), registration cancelled 1975-10-03, S/N 110 0456 (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 N9564F (2)

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 MIA75FKG80](https://openairdocs.org/ntsb/MIA75FKG80), Jun 20, 1975: Hughes 269B (N9564F), Atlanta, GA, substantial damage
- [NTSB MIA72FKH04](https://openairdocs.org/ntsb/MIA72FKH04), May 18, 1972: Hughes 269B (N9564F), Atlanta, GA, 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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