Pilot/Controller Glossary
EN ROUTE DECISION SUPPORT TOOL (EDST)
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
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.
Retrieved from ecfr.gov on July 18, 2026.