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FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
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1-0050 65/1/23 NR.CHICAGO ILL BOEING B-720B CR- 0 0 7 SCHED DOM PASSG SRV AIRLINE TRANSPORT, AGE
TIME - 1150 N725US PX- 0 2 41 51, 21893 TOTAL HOURS,
DAMAGE-NONE OT- 0 0 0 2631 IN TYPE, INSTRUMENT
RATED.
OPERATOR - NORTHWEST AIRLINES,INC.
TYPE OF ACCIDENT PHASE OF OPERATION
TURBULENCE IN FLIGHT: DESCENDING
PROBABLE CAUSE(S)
WEATHER - TURBULENCE IN FLIGHT,CLEAR AIR
WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
PERSONNEL - WEATHER PERSONNEL: INCORRECT WEATHER FORECAST
PERSONNEL - DISPATCHING (AIR CARRIER ONLY): OTHER
FACTOR(S)
MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN OFF
MISCELLANEOUS ACTS,CONDITIONS - CIRCUIT BREAKER POPPED
WEATHER BRIEFING - COMPANY DISPATCH
WEATHER FORECAST - WEATHER CONSIDERABLY WORSE THAN FORECAST
SKY CONDITION CEILING AT ACCIDENT SITE
OVERCAST 400
VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE
2 MILES OR LESS RAIN SHOWERS, SNOW SHOWERS
OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F
FOG 31
WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS
220 141
TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN
IFR IFR
REMARKS- SEAT BELT SIGN DID NOT STAY ON DUE TO TRIPPED CIRCUIT BREAKER-WX BUR AND CO TURBUL FRCSTS INACCUR