# NTSB OAK78FVW15: Hiller Acft FH1100, N438F, Boulder City, NV, May 13, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 13, 1978
- Place: Boulder City, NV · BOULDER CITY, NV
- Location: 35.9786° N, 114.8325° W: Placed by OpenAirDocs: center of Boulder City, NV, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.9786&lon=-114.8325&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report June 5, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78FVW15
- Page: https://openairdocs.org/ntsb/OAK78FVW15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0982  78/5/13  NR.BOULDER CITY,NV    HILLER ACFT FH1100  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 42, 5210
        TIME - 1045                    N438F               PX-  0  0  4  NS CTR PASSG              TOTAL HOURS, 961 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GOLD STRIKE,NV              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           POWERPLANT - POWERPLANT-INSTRUMENTS: FUEL QUANTITY GAUGE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FUEL GAUGE POTENTIOMETER CORRODED.
```

## Aircraft

- Registration: N438F (not matched to a registry record)
- Reported make and model: HILLER ACFT FH1100
- 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 19780513009249A](https://openairdocs.org/incident/19780513009249A), May 13, 1978: Frchld FH1100, Boulder City, NV, Substantial damage. Fuel gauge potentiometer corroded.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.