Controlled Airspace extending from a specific altitude above the earth is called?

The term for controlled airspace extending from a specific altitude above the earth is best described as a Control Area (CTA). In aviation, a Control Area is a designated volume of airspace, typically structured around major airports, designed to manage air traffic and maintain safety. It extends upward from a defined lower limit and facilitates the orderly and safe movement of aircraft in regions where air traffic could become significant.

Understanding the categories of controlled airspace is critical for remote pilots, as it informs them about the rules and regulations they must adhere to when operating in these airspaces. The distinction of a Control Area is particularly important, as it emphasizes the vertical limits and types of restrictions in place for pilots operating within it.

In contrast, other terms like Control Zone (CTR) refer to specific areas of controlled airspace closer to an airport, but they do not encompass the broader concept of airspace extending from altitude. Thus, recognizing the terminology and how it applies in aviation helps pilots navigate controlled airspace effectively while ensuring compliance with air traffic control directives.