NTSB Identification: FTW68A0092
14 CFR Part 91 General Aviation
Aircraft: BELL 47G-4, registration: N1331X----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
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3-1396 68/5/17 LEEVILLE,LA BELL 47G-4 CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 24, 2017
TIME - 0518 N1331X PX- 0 0 2 CTR PASSG-D TOTAL HOURS, 20 IN TYPE,
DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED.
NAME OF AIRPORT - PHI HELIPORT
TYPE OF ACCIDENT PHASE OF OPERATION
MISCELLANEOUS TAKEOFF: VERTICAL
HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING
PROBABLE CAUSE(S)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: FREE WHEEL UNIT
MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
FACTOR(S)
TERRAIN - ROUGH/UNEVEN
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
REMARKS- SLIPPAGE BETWEEN CLUTCH/FREEWHEELING UNIT.24 SPRINGS,3 CUSHIONS BROKE,CAUSED SHEAR SCREWS TO FAIL.
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