Controlled Airspace Class A Airspace Each type of airspace may have different minimum  pilot certification, equipment, visibility and cloud  clearance, and entry requirements. This chapter introduces the various classifications  of airspace and provides information on the require- ments to operate in such airspace. For further infor- mation, consult the  Pilot’s Handbook of Aeronautical  Information, the  Aeronautical Information Manual (AIM) and Title 14 of the Code of Federal Regula- tions (14 CFR) parts 71, 73, and 91. Figure 8-1 presents a profile view of the dimensions  of various airspace classes. Figure 8-2 provides the  basic weather minimums for operating in the different  airspace classes. Figure 8-3 lists the operational and  equipment requirements. Refer to these figures as you  review this chapter. Powered parachutes (PPC) share the airspace with  all other types of aircraft and must avoid the flow  of fixed wing aircraft. Although most PPCs fly low,  slow and close to the field, you must be aware of the  airspace in which you are operating. Each type of air- space has communication, equipment, visibility and  cloud clearance requirements, and therefore may re- quire additional pilot training with logbook endorse - ments. Some airspace may not be accessible (Class A)  while other airspace (Class B and Class C) may not  be prudent for PPC operation. Knowing the types of  airspace and their requirements is necessary for safe  and proper PPC operations. The two categories of airspace are: regulatory and  non-regulatory. Within these two categories, there are  four types: controlled, uncontrolled, special use, and  other airspace. Controlled airspace is a generic term that covers the  different classifications of airspace and defined di - mensions within which air traffic control service is  provided in accordance with the airspace classifica - tion. Controlled airspace consists of Class A, Class B,  Class C, Class D, and Class E. Class A airspace is generally the airspace from 18,000  feet mean sea level (MSL) up to and including 60,000  feet (FL600), including the airspace overlying the  Figure 8-1. Airspace at a glance.  8-1