office of aviation safety southwest airlines flight 1248 midway airport chicago, illinois december...
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Office of Aviation Safety
Southwest Airlines Flight 1248Southwest Airlines Flight 1248Midway AirportChicago, IllinoisDecember 8, 2005
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Accident OverviewAccident Overview
• 7:14 pm• Boeing 737-74H • 1 fatality, 1 serious injury and 21
minor injuries• Baltimore Washington to Midway
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Weather and Runway ConditionsWeather and Runway Conditions
• Runway 31 Center plowed 27 minutes prior to landing
• Worst runway braking action reported was “fair to poor”
• Only available approach above minimums 31C
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Weather and Runway ConditionsWeather and Runway Conditions
Right quartering tailwind of 8 knotsTemperature 28 FVisibility of ½ mile in moderate snow and freezing fog
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Aircraft Systems ExaminationsAircraft Systems Examinations
• No preimpact anomalies– Antiskid system– Ground spoiler system– Wheel brake system – Throttle quadrant and linkage– Thrust reverser systems– Engines
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Approx Touchdown Point
Displaced Threshold
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Blast Fence and ILS Antenna
Perimeter Fence
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Flight 1248 AnimationFlight 1248 Animation
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Play animation
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Antenna parts
Perimeter Fence
Blast Fence
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Safety IssuesSafety Issues
• The flight crew’s decision to land and actions after touchdown
• OPC calculations and assumptions• SWA policies, guidance, and training • Arrival landing distance assessments
and safety margins
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Safety IssuesSafety Issues
• Runway safety areas (RSAs)• Runway surface condition
assessments and braking action reports
• Airplane-based friction measurements
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Parties to the InvestigationParties to the Investigation
• Federal Aviation Administration• Boeing Commercial Airplane Company• Southwest Airlines (SWA)• SWA Pilots Association • National Air Traffic Controllers
Association
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Parties to the InvestigationParties to the Investigation
• City of Chicago • CFM International• SWA Employee Association
(Dispatchers)• Transport Workers Union #556
(Flight Attendants)• SWA Aircraft Mechanics Fraternal
Organization
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NTSB STAFFNTSB STAFF
• Paul Misencik – Operations• David Kirchgessner - Operations• Don Eick – Meteorology• Sandy Rowlett – Air Traffic Control• Bob Swaim – Structures• Tom Jacky – Systems• Jean-Pierre Scarfo – Powerplants
• Katherine Lemos – Human Performance
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NTSB STAFFNTSB STAFF
• Mark George – Survival Factors• Dennis Grossi – Flight Data Recorder• Joseph Gregor – Cockpit Voice Recorder• Kevin Renze – Airplane Performance • Jeff Marcus – Safety Recommendations• Jodi Reeves – Report Writer• Noel Coleman – Editor
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