# NTSB DEN70A0017: Bell 47G3B1, N73287, Jackson, WY, September 3, 1969

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 3, 1969
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report November 17, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 180546
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70A0017
- Page: https://openairdocs.org/ntsb/DEN70A0017

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2473   69/9/3    JACKSON,WYO         BELL 47G3B1         CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0820                    N73287              PX-  0  0  0  CONSTRUCTION              AGE 32, 3000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            500 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JACKSON,WYO                 JACKSON,WYO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: POWER-ON DESCENT
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - MISJUDGED SPEED
           ROTORCRAFT - ROTOR ASSEMBLIES: TAIL ROTOR BLADES
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - MISCELLANEOUS EQUIPMENT: PICK-UP EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
         FIRE AFTER IMPACT
        REMARKS- DSNDED DOWN MT TOO FAST.CARGO CABLES ATTACHED TO EXTERNAL SLING DEVICE HIT T/R.SHORT SHAFT FAILED.
```

## Aircraft

- Registration: N73287 (not matched to a registry record)
- Reported make and model: BELL 47G3B1
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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