NTSB Identification: SEA70D0079
14 CFR Part 91 General Aviation
Aircraft: BELL 47G-3, registration: N6787D----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4196 69/9/12 CIRCLE,MONT BELL 47G-3 CR- 0 0 1 COMMERCIAL COMMERCIAL, FL.INSTR.,
TIME - 1400 N6787D PX- 0 0 1 POWER/PIPELINE AGE 44, 3290 TOTAL HOURS,
DAMAGE-SUBSTANTIAL OT- 0 0 0 90 IN TYPE, NOT
INSTRUMENT RATED.
DEPARTURE POINT INTENDED DESTINATION
CIRCLE,MONT CIRCLE,MONT
TYPE OF ACCIDENT PHASE OF OPERATION
PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: NORMAL CRUISE
HARD LANDING LANDING: ROLL-ON/RUN-ON
PROBABLE CAUSE(S)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR DRIVE SHAFT ASSEMBLY
MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
REMARKS- AFT SHAFT SECTION FAILED.
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