NTSB Identification: MIA78FA109
14 CFR Part 91 General Aviation
Aircraft: SIKORSKY S76A, registration: N763SA
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2896  78/7/28  NR.W PALM BEACH,FL    SIKORSKY S76A       CR-  0  1  2  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 0713                    N763SA              PX-  0  0  0  TEST                      AGE 52, 5945 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            172 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SIKORSKY FLIGHT
        DEPARTURE POINT             INTENDED DESTINATION
         W PALM BEACH,FL              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: SUBSTANDARD QUALITY CONTROL
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: MAIN ROTOR GEAR BOX
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- FATIGUE FAILURE OCCURRED IN QUILL SHAFT P/N X7606-46420-041.
Full narrative is not available


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