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The National Airpsace System (NAS) Enterprise Architecture (EA) consists of an integrated set of views and data at three distinct timeframes, i.e. the As-Is, the Mid-Term (To-Be), and the Far-Term (To-Be), each intended to represent the NAS at a particular point of time. The As-Is Depicts the NAS and how it exists today, while the Mid-Term and Far-Term (To-Be) states represent how the NAS should/could exist in the future. The As-Is perspective is extremely important in establishing a common basis for management and planning by providing input to gap and impact analysis and the configuration of the NAS. The To-Be perpectives are equally important providing a target for aligning current decisions, as well as the basis for long-term system and investment/program planning.

The architecture views and requirement statements are derived from the NAS Integrated Systems Engineering Framework (ISEF) and are accessible by clicking on the links below.

Available Architectures

Available Requirements
Available Architectures

Available Requirements
  • None
Available Architectures

Available Requirements

  • Approved Baseline A product or set of products that have been approved by the appropriate adjudication authority and are subject to configuration change management procedures. The As-Is products are approved by the NAS CCB, and the Mid-/Far-Term products are approved by the JRC.
  • Final Draft A product or set of products that have been reviewed and approved by the NAS Chief Architect or NAS Requirements and Interface Manager but have not been approved by the appropriate adjudication authority.
  • Review Draft A product or set of products that are available for review and comment.
  • Retired A product or set of products that have been superseded by a more recent approved baseline.

U.S. Department of Transportation
Federal Aviation Administration
800 Independence Avenue, SW
Washington, DC 20591
1-866-TELL-FAA (1-866-835-5322)