What is the classification of airspace where ATC does not control air traffic?

Class G airspace is known as uncontrolled airspace, which means that air traffic control (ATC) does not provide any traffic services in this area. In Class G airspace, pilots operate under visual flight rules (VFR) and are responsible for maintaining their own separation from other aircraft. This type of airspace is typically found at lower altitudes, where general aviation flying is common, and includes areas around airports that may not have radar service.

Pilots in Class G airspace are expected to be aware of their local surroundings and to use visual scanning to maintain safe distances from other air traffic, as there is no active ATC oversight. This distinguishes it from Class A, B, and C airspaces, where ATC has more regulatory control and provides services to maintain safe operations for all aircraft operating in those airspaces.