# NTSB DEN74FTE21: Bell 47G3B1, N73978, Pitkin, CO, September 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 13, 1973
- Place: Pitkin, CO · PITKIN, CO
- Location: 38.6087° N, 106.5149° W: Placed by OpenAirDocs: center of Pitkin, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6087&lon=-106.5149&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 4, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188379
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74FTE21
- Page: https://openairdocs.org/ntsb/DEN74FTE21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3099  73/9/13    PITKIN,COLO         BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 31, 3650
        TIME - 1335                    N73978              PX-  0  0  0  AIR TAXI-PASSG            TOTAL HOURS, 775 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PITKIN,COLO                 ASPEN,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NO ENG MALFUNCTION FOUND.
```

## Aircraft

- Registration: [N73978](https://openairdocs.org/deregistered/N73978-1976-06-02), registration cancelled 1976-06-02, S/N 2826 (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)
- 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 19730913029769A](https://openairdocs.org/incident/19730913029769A), Sep 13, 1973: Bell 47G3B1, Pitkin, CO, Substantial damage. No eng malfunction found.

## Other investigations on N73978 (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 DEN72DTE19](https://openairdocs.org/ntsb/DEN72DTE19), Aug 13, 1971: Bell 47G3B1 (N73978), Minturn, 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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