# NTSB DEN70F0075: Bell 47G3B1, N8575F, Cheyenne, WY, July 27, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 27, 1969
- Place: Cheyenne, WY · CHEYENNE, WY
- Location: 41.1400° N, 104.8202° W: Placed by OpenAirDocs: center of Cheyenne, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1400&lon=-104.8202&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 27, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 166385
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70F0075
- Page: https://openairdocs.org/ntsb/DEN70F0075

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3108  69/7/27    CHEYENNE,WYO        BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1155                    N8575F              PX-  0  0  0  AERIAL ADVERTISING        AGE 37, 1768 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            18 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - CHEYENNE
        DEPARTURE POINT             INTENDED DESTINATION
          CHEYENNE,WYO                CHEYENNE,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: FINAL APPROACH
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      77
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ADVERTISEMENT SIGN ON SLING.SETTLED WITH POWER.
```

## Aircraft

- Registration: N8575F (not matched to a registry record)
- Reported make and model: BELL 47G3B1
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cheyenne

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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