SEI has performed key roles in concept and requirements definition, system acquisition support, and tests for NextGen and operational system sustainment.

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Concept Definition

• ​​Needs analysis, use case modeling, and concept of operations development for Automatic Dependent Surveillance–Broadcast (ADS-B), surface surveillance, and trajectory-based operations

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Requirements Engineering

• Functional analysis, requirements specification, and performance studies for ATC automation, UAS operations, flight management, and controller–pilot data communications systems

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Implementation & Test Support

• Key site deployment and in-service review management for ADS-B and precision runway monitoring

• Test case development for multilateration, ACAS-X, and data link

• System and operational test support, evaluation of vendor reports, and problem report tracking