# NTSB LAX80DUJ06: Hughes 369D, N8673F, Phoenix, AZ, October 23, 1979

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 23, 1979
- Place: Phoenix, AZ · PHOENIX, AZ
- Location: 33.4484° N, 112.0740° W: Placed by OpenAirDocs: center of Phoenix, AZ, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4484&lon=-112.0740&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report January 9, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 134801
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80DUJ06
- Page: https://openairdocs.org/ntsb/LAX80DUJ06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2858  79/10/23   PHOENIX,AZ          HUGHES 369D         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 38, 465
        TIME - 1345                    N8673F              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 160 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GILA RVR HELIPORT
        DEPARTURE POINT             INTENDED DESTINATION
          MESA,AZ                     PHOENIX,AZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: SEALS,AIR-OIL
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- 3 ENG TURBINE SEALS & ALL TURBINE BEARINGS FAILED IN ALLISON 250-C20B,CAE 8307479
```

## Aircraft

- Registration: N8673F (not matched to a registry record)
- Reported make and model: HUGHES 369D
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Gila Rvr Heliport

## FAA reports on this event (1)

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

- [Accident 19791023031539A](https://openairdocs.org/incident/19791023031539A), Oct 23, 1979: Hughes 369D, Phoenix, AZ, Substantial damage. Engine stopped. Pilot made hard autorotate landing. Found failed turbine seals. Caused bearing failure.

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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