NTSB Identification: MKC80FCD33
14 CFR Part 91 General Aviation
Aircraft: HUGHES 269C, registration: N7484F

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2482  80/9/27    IOWA CITY,IA        HUGHES 269C         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 3976
        TIME - 1320                    N7484F              PX-  0  0  2  AERIAL ADVERTISING        TOTAL HOURS, 204 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - IOWA CITY MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          IOWA CITY,IA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- ENGINE TO PULLEY DRIVE-SHAFT ASSEMBLY WAS IMPROPERLY ASSEMBLED.SHAFT SPLINES LACKED LUBRICATION.

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