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FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
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3-2724 81/6/10 NR.CASTLE ROCK,WA HILLER UN-12D CR- 0 0 1 COMMERCIAL COMMERCIAL, AGE 46, 12353
TIME - 0930 N62377 PX- 0 0 0 OTHER TOTAL HOURS, 2226 IN
DAMAGE-DESTROYED OT- 0 0 0 TYPE, NOT INSTRUMENT
RATED.
DEPARTURE POINT INTENDED DESTINATION
CASTLE ROCK,WA LOCAL
TYPE OF ACCIDENT PHASE OF OPERATION
PROPELLER/ROTOR FAILURE: TAIL ROTOR IN FLIGHT: CLIMB TO CRUISE
PROBABLE CAUSE(S)
ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: TAIL ROTOR GEAR BOX
MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
FACTOR(S)
MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
DIRECTIONAL CONTROL PROBLEM
REMARKS- T/R INPUT BEVEL GEARSHAFT,P/N 25211-5,FAILED.LONG LINE SLING OPN.