Center/TRACON Automation System: Development and Evaluation in the Field
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1993-10-01
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NTL Classification:NTL-AVIATION-Air Traffic Control;NTL-AVIATION-Aviation Human Factors;
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Abstract:Technological advances are changing the way that advanced air traffic control
automation should be developed and assessed. Current standards and practices of
system development place field testing at the end of the development process.
While such practices may have been suitable for manual control systems, they are
becoming quickly outdated for systems that are harnessing advanced information
technology. The FAA TATCA Program recognizes the importance of context through
early field testing for the development of advanced Air Traffic Control (ATC)
automation. It is using rapid prototyping and early field exposure as part of
the Center-TRACON Automation System (CTAS) development process, using on-site
system evaluations with active controllers and representative traffic flows and
conditions. A primary objective of the TATCA Program is the evolutionary
refinement of CTAS for the purpose of bringing system functionality to a level
of usefulness and stability. This paper describes the development and
assessment process that has been applied for CTAS at Denver Air Route Traffic
Control Center (ARTCC) and Terminal Radar Approach Control (TRACON). This is
the first automated system to go through this early stage field testing and
refinement. CTAS is described first, followed by an overview of the development
and assessment process. Descriptions are also provided of progressive
assessments, how the Traffic Management Advisor (TMA) is used in the field, and
how scenarios, shadow exercises and structured interviews are used during
assessments. The methods used for interpreting and analyzing data, as well as
drawing inferences and identifying implications, are also discussed. Finally,
the training process is described.
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