Potomac Consolidated TRACON
Potomac TRACON (Terminal Radar Approach CONtrol), abbreviated PCT, is the FAA air traffic control facility in charge of the Washington, D.C. airspace and Washington Special Flight Rules Area, assigning squawk codes. It is based in Warrenton, Virginia, United States. PCT is a consolidation of 4 former TRACON facilities controlling air traffic for the region's 4 major airports: Washington Dulles International Airport, Washington National Airport, Baltimore-Washington International Airport, and Richmond International Airport. PCT is organized into 4 areas, still associated with those geographic regions: