© 2001, Federal Aviation Administration - All Rights Reserved. Using Spotfire in Aviation Safety Data Analysis Vivek Sood Federal Aviation Administration.

© 2001, Federal Aviation Administration - All Rights Reserved.

Using Spotfire in Aviation Safety Data Analysis

Vivek Sood

Federal Aviation Administration

Office of System Safety

Office of System Safety

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

NASDAC Data Transformation Process

Layer 0 Layer 1Integration 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

Aircraft Operations History

Air Carrier Accidents by Phase of Flight

NASDAC Data Transformation Process

Layer 0 Layer 1Integration 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

Data Standardization

inconsistent data

invalid data

missing dataBefore:

After:

Number of Records: 22,000 Number of hours: 680

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

Air Carrier Accidents by Phase of Flight

NASDAC Data Transformation Process

Layer 0 Layer 1Integration 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

NASDAC Meta Data Repository

Meta Data flow

Source

Source Systems Standardize/restructure Condense, Decode

Data Warehouse

New NASDAC Data Products

Layer 1

NTSB NTSB NTSB

PDS

Data Mart

PDS PDS

OEDS OEDS OEDS

Data Cube

Layer 2

NASDAC Data Architecture

Integration Data Block Library

Standard Integration Filter Library

VPDS PDS OEDS

Filtered ByFAR Part 121

Airport Types

Intersecting Runways

Runway Safety Data Mart

Data

Custom Application

Using Pre-staged Standard Integration Tools

Incidents Near Special Use Airspace

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