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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-1590  75/4/28    SAN JUAN,PR         HILLER ACFT UH-12E  CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 42, 6381
        TIME -                         N9781C              PX-  0  0  1  TEST                      TOTAL HOURS, 1644 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PUERTO RICO INTL
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JUAN,PR                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        REMARKS- CYCLIC RODS IMPROPERLY CONNECTED TO BELLCRANKS.MOVEMENT IN FORE AFT DIR RESULTED LATERAL CTL INPUT

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