NTSB Identification: IAD78FA031
14 CFR Part 91 General Aviation
Aircraft: BELL 47J, registration: N6771D
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2183  78/1/10    CHESAPEAKE,VA       BELL 47J            CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 28, 2078
        TIME - 1223                    N6771D              PX-  1  0  0  MAPPING/PHOTO             TOTAL HOURS, 23 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NORFOLK,VA                  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 - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
        REMARKS- APRX 90% BOND SEPARATION OF M/R BLADES DUE SLICK-OFF.IMPROPER SURFACE PREPARATION.
Full narrative is not available


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