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En Route Automation Modernization (ERAM) is the largest National Airspace System (NAS) equipment replacement program in Federal Aviation Administration (FAA) history, replacing legacy Host computer processing systems used in 20 Air Route Traffic Control Centers (ARTCC).  The first operational use of ERAM is scheduled for October 2008 at the Salt Lake City ARTCC.  ERAM implementation will make the U.S. NAS system ICAO compatible.

FAA is completing a change in all Host systems that will automatically assign preferential routes based on the equipment capability contained in an ICAO Filed Flight Plan (ICAO FPL).  ERAM will assign preferential routes in this same manner.  Following the completion of this change, flights filed in a NAS Flight Plan (NAS FP) will only be assigned a conventional procedure.

Flight Plan Filing Topics
  • Click on “General Information”at the left-hand side of this page for a more-detailed view of the transition with schedule information and links to reference documents.
  • Click on “Filing Instructions”at the left-hand side of this page for step-by-step instructions on filing an ICAO FPL and notes special instructions for domestic-only ICAO FPLs.
  • Click on “Filing FAQs”at the left-hand side of this page for categorized questions and answers with a link for submitting questions.

Updated: 12:57 pm ET May 5, 2008

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