NTSB Identification: DEN79FA055
14 CFR Part 135 Nonscheduled operation of AERIAL SPOTTER
Aircraft: BELL 47G3B1, registration: N73963
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2616  79/8/17  NR.RICO,CO            BELL 47G3B1         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 33,
        TIME - 1105                    N73963              PX-  1  0  0  AIR TAXI-PASSG            UNK/NR TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         RICO,CO                      LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      IN FLIGHT: CLIMB TO CRUISE
           COLLIDED WITH: TREES                                     IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
           ROTORCRAFT - ROTOR ASSEMBLIES: BEARINGS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- INBOARD ROLLER BEARING FAILED.
Full narrative is not available


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