NTSB Identification: FTW70FPD05
14 CFR Part 91 General Aviation
Aircraft: BELL 47G, registration: N16657----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0548 70/3/5 FORT WORTH,TEX BELL 47G CR- 0 0 2 INSTRUCTIONAL COMMERCIAL, FL.INSTR.,
TIME - 0910 N16657 PX- 0 0 0 DUAL AGE 52, 7000 TOTAL HOURS,
DAMAGE-SUBSTANTIAL OT- 0 0 0 178 IN TYPE, NOT
INSTRUMENT RATED.
NAME OF AIRPORT - LUCK FIELD
DEPARTURE POINT INTENDED DESTINATION
FORT WORTH,TEX FORT WORTH,TEX
TYPE OF ACCIDENT PHASE OF OPERATION
PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: DESCENDING
HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING
PROBABLE CAUSE(S)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
PROP/ENGINE VIBRATION
UNUSUAL NOISE
REMARKS- SHEARED DELTA HINGE BOLT CAUSED FAILURE OF PITCH CONTROL BEARING.LOST T/R BLADE DUE TO VIBRATION.
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