Definition
An FAA air traffic control facility that uses radar to provide separation, sequencing, and approach/departure services to aircraft operating in the airspace surrounding one or more busy airports, typically from just after takeoff until handoff to the tower on arrival, or from departure until handoff to an Air Route Traffic Control Center (ARTCC, the en route facility).
Plain English
A radar control room run by the FAA that handles aircraft in the busy airspace around airports — guiding them down for landing and out after takeoff, but not the final touchdown or the long en route portion of the flight.
Context Anchor
You may hear or see TRACON discussed when talking about approach control, departure control, radar services, or which air traffic control facility is handling your flight near an airport.
Derivation
Built from "Terminal" (the airspace around an airport, where flights begin and end), "Radar" (the surveillance tool used), and "Approach Control" (the service of sequencing arrivals). The name describes exactly what the facility does.
Why Pilots Care
Pilots receive radar vectors, traffic advisories, and sequencing instructions from TRACON controllers, which directly affects separation safety and efficient flow into and out of the airport.
Intuition Check
Do not read “terminal” as the passenger terminal or simply the end of a trip. Here it means the airport-area airspace where arriving and departing aircraft are being controlled.
Example Sentence 1
After departure, the tower instructed us to contact the TRACON for radar vectors on course.
Example Sentence 2
TRACON cleared the arriving flight to descend and provided vectors to intercept the final approach course.