Air Route Traffic Control Center (ARTCC/ACC)
Definition
The ATC facility responsible for controlling aircraft in en-route airspace between departure and destination areas. Manages high-altitude traffic across large geographic sectors.
Related Terms
Approach Control (TRACON)
The ATC facility that handles aircraft transitioning between en-route flight and the airport environment, typically within 30-50 nautical miles. Also known as Terminal Radar Approach Control.
Flight Level
A standard nominal altitude of an aircraft based on a standard altimeter setting (29.92 inHg / 1013.25 hPa). Flight Level 350 means 35,000 feet. Used above the transition altitude.
Flight Plan
A document filed with air traffic control that specifies the planned route, altitude, speed, and other details of a flight. Required for all IFR flights and recommended for VFR flights.
Related Guides
How Air Traffic Control Works: Keeping Skies Safe
Controller roles, traffic management procedures, radar systems, and radio communication. How ATC keeps millions of flights safe.
ATC Communication: How Pilots and Controllers Talk
NATO phonetic alphabet, standard phraseology, readback procedures, and real ATC communication examples decoded.
Air Traffic Control: From Manual to Modern Systems
ATC evolution from flagmen and light guns to radar and satellite-based navigation. The technology progression of air traffic management.