The Basic Search
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Automatic "AND" Searches
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Operational Improvements/Sustainments (OIs/OSs) represent distinct functional improvements to the National Airspace System (NAS) that provide direct benefits to the user community. This product section provides easy access to these OI descriptions, schedules, benefits, and all other underlying information.

Operational Improvements/Sustainments Browser

Operational Improvements/Sustainments Browser

  • An Operational Improvement/Sustainment (OI/OS) represents a discrete strategic activity for service delivery to improve NAS operations and move towards the Next Generation Air Transportation System (NextGen) vision. In addition, Operational Sustainments (OSs) are activities and services that will be sustained in the NAS. This feature allows you to interactively browse through the available OIs and OSs including the ability to apply filters and to drill down for further details.
OI/OS Reports

OI/OS Reports

  • The OI/OS Perspective Alignment Report presents a cross cutting view into an individual OIs/OSs relationship to other NAS EA content.
Quick Finder

Quick Finder

  • Quick Finders are simplified searching features that are optimized for finding information in a particular type of data element. The Quick Finder listed below allows you to search for information related to the key data elements for this product section.
Hover mouse over search box for further instructions.
Quick Finder


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