NTSB Identification: SEA73ASO09
14 CFR Part 91 General Aviation
Aircraft: PIPER PA-23, registration: N6707Y
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-2815  72/10/10   DIXIE,WASH          PIPER PA-23         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 60, 5597
        TIME - 1800                    N6707Y              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 70 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT -  WALLA WALLA CTY
        DEPARTURE POINT             INTENDED DESTINATION
          HELENA,MONT                 WALLA WALLA,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: INITIAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - HYPOXIA
           MISCELLANEOUS ACTS,CONDITIONS - PILOT FATIGUE
        REMARKS- SPRING NDB,USED TO MARK INITIAL APCH FIX,NOT TUNED IN.
Full narrative is not available


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