NTSB Identification: Unknown
14 CFR Part 121 Scheduled operation of NORTHWEST AIRLINES INC
Aircraft: BOEING B-720B, registration: N732US
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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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1-0022  64/3/17  NR.BILLINGS MONT      BOEING B-720B       CR-  0  1  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0050                    N732US              PX-  0  0 33                            48, 18510 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            310 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - NORTHWEST AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- STEWARDESS ATTENDING TO CABIN DUTIES
Full narrative is not available


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