NTSB Identification: SEA68A0039
14 CFR Part 121 Scheduled operation of FRONTIER AIRLINES INC
Aircraft: CONVAIR 340T, registration: N73120

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 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
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1-0061   67/11/1   GREAT FALLS,MONT    CONVAIR 340T        CR-  0  0  3  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0145                    N73120              PX-  0  0  1                            42, 10486 TOTAL HOURS, 70
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GREAT FALLS
        OPERATOR - FRONTIER AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: INITIAL APPROACH
           COLLIDED WITH: WIRES/POLES                               LANDING: MISSED APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - FLIGHT AND NAVIGATION INSTRUMENTS: ALTIMETERS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       33
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           60                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- CAUSE OF ALTIMETER ERROR UNDTMND.CONTINUED FLT T0 ALTERNATE ARPT.DAMAGED NOSE GR COLLAPSED ON LDG.

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