# NTSB DEN75AD003: Bell 47G3B1, N3067G, Grand Valley, CO, July 24, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 24, 1974
- Place: Grand Valley, CO · GRAND VALLEY, CO
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report September 23, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134417
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN75AD003
- Page: https://openairdocs.org/ntsb/DEN75AD003-134417

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2422  74/7/24    GRAND VALLEY,COLO   BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 8801
        TIME - 1700                    N3067G              PX-  0  0  2  CONSTRUCTION              TOTAL HOURS, 2200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GRAND VALLEY,COLO           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
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PLT FORCED TO SACRIFICE RPM TO REACH SUITABLE LDG AREA.
```

## Aircraft

- Registration: [N3067G](https://openairdocs.org/deregistered/N3067G-2013-08-08), registration cancelled 2013-08-08, S/N 2915, built 1964 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Registry engine: [Lycoming 0-435](https://openairdocs.org/engine/lycoming-0-435) (registry code 41516, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- 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 19740724025709A](https://openairdocs.org/incident/19740724025709A), Jul 24, 1974: Bell 47G3B1, Grand Valley, CO, Substantial damage. Plt forced to sacrifice RPM to reach suitable ldg area.

## Other investigations on N3067G (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 SEA86LA079](https://openairdocs.org/ntsb/SEA86LA079), Mar 17, 1986: Bell 47G-3B-1 (N3067G), Overton, NV, 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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