DEN70A0017

NTSB accident investigation · Bell 47G3B1 · Jackson, WY · September 3, 1969

Accident · FatalClosed
Date
September 3, 1969
Place
Jackson, WY · JACKSON, WY
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N73287Bell 47G3B1
Status
Completed · report November 17, 1969
Report
Brief approved by the director
Case key
180546

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 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
Reported as
Bell 47G3B1
Category
Helicopter
Engine
reciprocating
Damage
Destroyed