Definition
An air traffic control facility that provides approach control service to aircraft arriving at, departing from, or transiting the airspace controlled by the facility. Approach control facilities use radar and non-radar procedures to sequence and separate aircraft operating under instrument flight rules (IFR) within their assigned airspace, and they may also provide services to participating visual flight rules (VFR) aircraft.
Plain English
An air traffic control unit that handles aircraft as they arrive at, leave, or fly through the airspace around one or more airports. It guides them safely between the airport tower and the wider en route system.
Context Anchor
You will encounter this term in ATC communications, airport information, and instrument flying material, especially when a controller hands you off to “Approach.”
Derivation
“Approach” comes from the idea of coming nearer. In aviation, it often means the part of flight where an aircraft is getting closer to an airport for landing. “Facility” here means the ATC unit or location that provides the service, not just the building itself.
Why Pilots Care
Contacting the correct facility ensures proper sequencing, separation from other traffic, and safe transition from en route to landing.
Intuition Check
Do not read “Approach Control Facility” as only a building at the airport. In this context, it means the ATC unit providing approach control service for a defined area of airspace.
Example Sentence 1
After takeoff, the tower instructed the pilot to contact the approach control facility on 124.3 for radar vectors to their on-course heading.
Example Sentence 2
Approach Control Facility issued descent instructions and handed the flight off to the tower.