Aeronautical Information Services is the FAA's civil aviation authority providing the foundations for flight in the national airspace system.

Aeronautical Information Services

• Is the authoritative government source for collecting, storing, maintaining, and disseminating aeronautical data for the U. S. and its territories.
• Develops and maintains all public instrument flight procedures and airways.
• Serves as the FAA's aeronautical charting authority for the development, publication, and dissemination of aeronautical charts and products to support aviation and to meet demand for increased capacity, efficiency, and predictability in the airspace, routes, and airports of the National Airspace System (NAS).
• Provides the integrity of temporary aeronautical information through Notice to Airmen (NOTAMs) within the National Airspace System (NAS), provides policy and guidance to maintain data integrity and to ensure timely dissemination of NOTAMs, and is the final authority on NOTAM formatting to ensure NOTAMs are issued in accordance with NOTAM Policy.
• Conducts formal aeronautical studies on existing or proposed construction that meets notice criteria and determines whether it is a hazard to navigable airspace or airport capacity.
  • Obstruction Evaluation Program
  • File Notice of Construction