What type of airspace is tailored and has multiple layers including a surface area?

Class B airspace is designed to manage air traffic around the busiest airports, providing a structured environment to ensure safety and efficiency. This airspace typically has multiple layers that ascend from the surface up to a specified altitude, creating a tiered system that accommodates different types of air traffic. The lower levels are generally designed for departures and arrivals, while the upper layers allow for transit flights.

The structure of Class B airspace varies from one location to another, as it is tailored to the specific needs of the surrounding area, including the volume of air traffic, local geographic features, and the overall airport layout. Aircraft operating within this airspace must adhere to specific requirements, including obtaining an air traffic control clearance, which underscores the controlled nature of Class B airspace.

In contrast, other classifications such as Class A, C, and D have different characteristics. Class A airspace is primarily located at higher altitudes and is restricted to aircraft operating under Instrument Flight Rules (IFR). Class C airspace encompasses busy airports but typically allows for more general aviation traffic and does not have a multi-layer structure like Class B. Class D airspace surrounds airports with operational control towers and usually extends from the surface to a specified altitude but is less complex and does not feature multiple