Definition
An air traffic control facility that uses radar and two-way radio to provide separation, sequencing, and approach services to aircraft arriving at, departing from, or transiting airspace surrounding one or more busy airports, typically out to about 30–50 nautical miles and up to around 10,000 feet. It sits between the tower (which handles the runway and immediate airport area) and the en route center (which handles high-altitude cruise traffic).
Plain English
A radar-based air traffic control office that handles airplanes in the busy airspace around major airports — guiding them in for approach, lining them up for landing, and clearing them out after departure.
Context Anchor
Pilots encounter this term in instrument flying, ATC handoffs, departure instructions, and arrival clearances near busy airports.
Derivation
‘Terminal’ comes from Latin terminus, meaning ‘end’ or ‘boundary’ — in aviation, the terminal area is the airspace at the start or end of a flight, near the airport. ‘Radar’ is the tool used to see traffic. ‘Approach control’ tells you the function: managing aircraft on approach to landing (and on departure). Together: radar-based control of the airport-area airspace.
Why Pilots Care
Controllers at this facility sequence traffic, issue vectors, and maintain separation so pilots can transition smoothly from en route flight to landing or takeoff.
Intuition Check
Do not read “terminal” as the airport passenger building here. It means the airspace near an airport where arrivals and departures are being controlled.
Example Sentence 1
After leveling at 6,000 feet, the en route controller handed us off to the terminal radar approach control for sequencing into the airport.
Example Sentence 2
During busy periods terminal radar approach control sequences multiple arrivals to maintain safe spacing between aircraft.