What is another word for terminal control area?
Pronunciation: [tˈɜːmɪnə͡l kəntɹˈə͡ʊl ˈe͡əɹi͡ə] (IPA) 
A terminal control area, also known as a TCA, is an important component of aviation navigation that surrounds major airports. It is the airspace where air traffic control has the responsibility for the separation of aircraft in the terminal area. The TCA is an area where aircraft are required to communicate with the air traffic controller. Other synonyms for this term include air traffic control zone, terminal radar service area, and control zone. These synonyms are used interchangeably in aviation parlance. The TCA creates a safe environment around the airport for takeoff and landing procedures and helps to manage and direct the flow of air traffic in the most efficient manner possible.
