NTSB Identification: DCA71AZ009
14 CFR Part 91 General Aviation
Aircraft: BOEING 720, registration: N3166

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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1-0002  71/3/31    ONTARIO,CALIF       BOEING 720          CR-  5  0  0  TRAINING                  AIRLINE TRANSPORT, AGE
        TIME - 0633                    N3166               PX-  0  0  0                            49, 19714 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            3780 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ONTARIO INTL
        OPERATOR - WESTERN AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          LOS ANGELES,CALIF           LOS ANGELES,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: MISSED APPROACH
        PROBABLE CAUSE(S)
           SYSTEMS - FLIGHT CONTROL SYSTEMS: RUDDER AND RUDDER TAB CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           WEATHER - OBSTRUCTIONS TO VISION
           WEATHER - FOG
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  600
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3/4 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       51
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          250                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
         FIRE AFTER IMPACT
        REMARKS- RUDDER HYDRAULIC ACTUATOR SUPPORT FITTING,STRESS CORROSION CRACKS.SIM 3-ENG MISSED APCH.

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