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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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3-3834  76/12/27   VERLOT,WA           PIPER PA-34         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 1145                    N33589              PX-  0  0  0  TEST                      AGE 32, 1470 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            95 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RENTON,WA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: LOW PASS
        PROBABLE CAUSE(S)
           AIRFRAME - FLIGHT CONTROL SURFACES: HORIZONTAL STABILIZER, ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - FLUTTER
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- FLUTTER CLRNC FLT TEST.BREAK-UP AT 250MPH IMMED AFTER ELEVATOR DOWN-PULSE.ROBERTSON MODIFICATIONS.