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© 2001, Federal Aviation Administration - All Rights Reserved. Using Spotfire in Aviation Safety Data Analysis Vivek Sood Federal Aviation Administration Office of System Safety
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Safety Information Engineering and Analysis Division National Aviation Safety Data Analysis Center (NASDAC) Data importation Data standardization Data analysis Global Aviation Information Network (GAIN) Flight data recorder analysis
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NASDAC Data Transformation Process Layer 0Layer 1 Integration Data Block (Layer 2) Create a mirror image of the source system. Populate metadata repository Populate NASDAC data structure (Oracle 8i) Apply standards Make/Model City State Operator Airports Provide business rules / Populate metadata repository Condense Decode Screen for complete records Provide integration rules Make accessible for integration Build metadata
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Aircraft Operations History
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Air Carrier Accidents by Phase of Flight
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NASDAC Data Transformation Process Layer 0Layer 1 Integration Data Block (Layer 2) Create a mirror image of the source system. Populate metadata repository Populate NASDAC data structure (Oracle 8i) Apply standards Make/Model City State Operator Airports Provide business rules / Populate metadata repository Condense Decode Screen for complete records Provide integration rules Make accessible for integration Build metadata
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Data Standardization inconsistent data invalid data missing data Before: After: Number of Records: 22,000 Number of hours: 680
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Layer 0 (Source System Record) Boeing Aircraft Co. Boeing Boeing Corp. Boeing Aircraft Boeing Aircraft Co. Boeing Co. Boing Layer 1 (NASDAC Record) Boeing Boeing Manufacturer Name AIC-based Cleansing Table Automated Data Standardization
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Air Carrier Accidents by Phase of Flight
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NASDAC Data Transformation Process Layer 0Layer 1 Integration Data Block (Layer 2) Create a mirror image of the source system. Populate metadata repository Populate NASDAC data structure (Oracle 8i) Apply standards Make/Model City State Operator Airports Provide business rules / Populate metadata repository Condense Decode Screen for complete records Provide integration rules Make accessible for integration Build metadata
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NASDAC Data Architecture
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Integration Data Block Library Standard Integration Filter Library VPDS PDS OEDS Filtered By FAR Part 121 Airport Types Intersecting Runways Runway Safety Data Mart Data Custom Application Using Pre-staged Standard Integration Tools
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Incidents Near Special Use Airspace
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Global Aviation Information Network Analyzing information proactively to improve aviation safety Privately owned and operated network of systems Analytical methods and tools (WG-B) Delta airlines Flight data recorder analysis
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