EN ROUTE DECISION SUPPORT TOOL (EDST)
An automated tool provided at each Radar Associate position in selected En Route facilities. This tool utilizes flight and radar data to determine present and future trajectories for all active and proposal aircraft and provides enhanced automated flight data management.
Listed in the Pilot/Controller Glossary as a cross-reference to EN ROUTE DECISION SUPPORT TOOL (EDST), whose text is shown above.
Source FAA Pilot/Controller Glossary · checked 2026-08-25