# NTSB DEN66A0024: Bell 47G3B1, N1136W, Jackson, WY, September 29, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 29, 1965
- Place: Jackson, WY · JACKSON, WY
- Location: 43.4719° N, 110.7753° W: Placed by OpenAirDocs: center of Jackson, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4719&lon=-110.7753&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 16, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 176341
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66A0024
- Page: https://openairdocs.org/ntsb/DEN66A0024

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0598  65/9/29  NR.JACKSON WYO        BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0830                    N1136W              PX-  0  0  0  AIR TAXI-PASSG            AGE 38, 9060 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1500 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - JACKSON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: OTHER
        PROBABLE CAUSE(S)
           WEATHER - SUDDEN WINDSHIFT
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  100
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       32
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       40
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- WIND GUSTING 180 DEGREES VELOCITY 20 KNOTS WITH GUST TO 40
```

## Aircraft

- Registration: [N1136W](https://openairdocs.org/deregistered/N1136W-2018-02-08), registration cancelled 2018-02-08, S/N 2933 (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
- Airport: Jackson

## Other investigations on N1136W (2)

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 OAK74FXQ28](https://openairdocs.org/ntsb/OAK74FXQ28), Mar 23, 1974: Bell 47G-3B (N1136W), Bordertown, NV, substantial damage
- [NTSB LAX69F0105](https://openairdocs.org/ntsb/LAX69F0105), Aug 29, 1968: Bell 47G3B1 (N1136W), Azusa, CA, destroyed

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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