# NTSB DEN75FTE45: Bell 206B, N4066G, Granby, CO, January 10, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 10, 1975
- Place: Granby, CO · GRANBY, CO
- Location: 40.0648° N, 105.9194° W: Placed by OpenAirDocs: center of Granby, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0648&lon=-105.9194&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 146976
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN75FTE45
- Page: https://openairdocs.org/ntsb/DEN75FTE45

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0104  75/1/10  NR.GRANBY,CO          BELL 206B           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1496
        TIME - 0930                    N4066G              PX-  0  0  0  CONSTRUCTION              TOTAL HOURS, 280 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WEST PORTAL,CO             GRANBY,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                TAKEOFF: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           TERRAIN - ROUGH/UNEVEN
        REMARKS- TERRAIN SNOW COVERED 2 TO 3FT DEEP.
```

## 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 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 19750110000089A](https://openairdocs.org/incident/19750110000089A), Jan 10, 1975: Bell 206A, Granby, CO, Substantial damage. Terrain snow covered 2 to 3FT deep.

## 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 DEN78FTC22](https://openairdocs.org/ntsb/DEN78FTC22), May 15, 1978: Bell 206B (N4066G), Kemmerer, WY, 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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