NTSB Identification: CHI81FER48
14 CFR Part 91 General Aviation
Aircraft: CESSNA 172P, registration: N52565
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-1521   81/7/1    THIEF RIVER FA,MN   CESSNA 172P         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 41, 9838
        TIME - 1210                    N52565              PX-  0  0  2  MAPPING/PHOTO             TOTAL HOURS, 1040 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          THIEF RIVER FA,MN           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
           MISCELLANEOUS ACTS,CONDITIONS - NICKED
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- MCCAULEY FXD PITCH PROP,MODEL 1C160/DTM,FAILED 12 IN FM HUB CTR LN.CRACK BGN FM TRAILING EDGE NICK
Full narrative is not available


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