The Basic Search
Enter one or more search terms (the words or phrase that best describe the information you want to find) into the search box and press the Search key.

Automatic "AND" Searches
By default, the search will return pages that include all of your search terms. There is no need to include "AND" between terms.
 Word 1 Word 2
(example)


Phrase Searches
You can search for phrases by adding quotation marks. Words enclosed in double quotes ("like this") appear together in all returned documents. Phrase searches using quotation marks are useful when searching for specific titles or names.
 "Word 1 Word 2"
(example)


"OR" Searches
To retrieve pages that include either word 1 or word 2, use an uppercase "OR" between terms. For example, to search for either Word 1 or Word 2, enter:
 Word 1 OR Word 2
(example)


Excluding Words
You can exclude a word from your search by putting a minus sign ("-") immediately in front of the term you want to exclude. Make sure you include a space before the minus sign.
 Word1 -Word 2
(example)

This section provides access to available publications related to the NAS EA.

NAS EA Framework

Systems Engineering Manual

Capital Investment Plan (CIP)

Capital Investment Plan (CIP)

  • The Federal Aviation Administration Capital Investment Plan (CIP) is a 5-year plan that describes the National Airspace System (NAS) modernization projects and lists the activities we intend to accomplish during that period. The CIP contains both projects that modernize existing systems and projects that begin the transformation to the Next Generation Air Transportation System (NextGen). It also contains the roadmaps which show the timetable for introduction of new technology to achieve the planned NextGen capabilities and capacity increases.
Publications Browser

Publications Browser

  • There are several publications that either describe or relate to significant elements of the NAS EA. This feature allows you to interactively browse through the available publications.

Coming Soon

This feature should be available in a future release.


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