# NTSB DEN78FTC22: Bell 206B, N4066G, Kemmerer, WY, May 15, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 15, 1978
- Place: Kemmerer, WY · KEMMERER, WY
- Location: 41.7785° N, 110.5528° W: Placed by OpenAirDocs: center of Kemmerer, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7785&lon=-110.5528&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report October 29, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142151
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FTC22
- Page: https://openairdocs.org/ntsb/DEN78FTC22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2689  78/5/15  NR.KEMMERER,WY        BELL 206B           CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 30, 2190
        TIME - 0800                    N4066G              PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 370 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         KEMMERER,WY                 KEMMERER,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - MISCALCULATED FUEL CONSUMPTION
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N4066G](https://openairdocs.org/deregistered/N4066G-1984-08-28), registration cancelled 1984-08-28, S/N 224, built 1968 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo jet
- 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 19780515012069A](https://openairdocs.org/incident/19780515012069A), May 15, 1978: Bell 206A, Kemmerer, WY, Substantial damage

## Other investigations on N4066G (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 DEN75FTE45](https://openairdocs.org/ntsb/DEN75FTE45), Jan 10, 1975: Bell 206B (N4066G), Granby, CO, 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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