# NTSB LAX80DVG39: Hughes 369D, N58430, Yountville, CA, May 16, 1980

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 16, 1980
- Place: Yountville, CA · YOUNTVILLE, CA
- Location: 38.3935° N, 122.3655° W: Placed by OpenAirDocs: center of Yountville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3935&lon=-122.3655&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 15, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 131049
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80DVG39
- Page: https://openairdocs.org/ntsb/LAX80DVG39

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1463  80/5/16    YOUNTVILLE,CA       HUGHES 369D         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 49, 393
        TIME - 1330                    N58430              PX-  0  0  0  CORP/EXEC                 TOTAL HOURS, 70 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RUTHERFORD,CA               OAKLAND,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N58430](https://openairdocs.org/deregistered/N58430-2026-09-18), registration cancelled 2026-09-18, S/N 1290636D, built 1979 (OpenAirDocs)
- Reported make and model: HUGHES 369D
- Registry model: [Hughes Helicopters HUGHES 369D](https://openairdocs.org/model/hughes-helicopters-hughes-369d) (registry code 4470706) (OpenAirDocs)
- Registry engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## 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 19800516014219A](https://openairdocs.org/incident/19800516014219A), May 16, 1980: Hughes 369D, Yountville, CA, Substantial damage. Engine flameout after takeoff. Made hard autorotation landing. Cause of flameout undetermined.

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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