NTSB Identification: SEA77FYP29
14 CFR Part 91 General Aviation
Aircraft: BELL 47G3B1, registration: N73919

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2785  77/4/26    POMEROY,WA          BELL 47G3B1         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1900                    N73919              PX-  0  0  0  AERIAL SURVEY             AGE 32, 6433 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1121 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          POMEROY,WA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           TERRAIN - ROUGH/UNEVEN
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  PITCH CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- CTL DIFFICULTY,RETREATING BLADE STALL AT LOW SPD.SKID COLLAPSED HI SPD RUN-ON.INT EPOXY SEALS SEP.

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