27 FAA Chart Users’ Guide - VFR Symbology - Sectional and Terminal Area Charts AIRSPACE INFORMATION (Continued) Class D Airspace Class C Airspace Class E Airspace When the ceiling is less than 18,000 feet  MSL, the value prefixed by the word  “CEILING”, shall be shown along the limits. Differentiates floors of airspace greater than  700 feet above the surface...  Airspace beginning at 1200 feet AGL that laterally abuts uncontrolled  (Class G) airspace... Airspace beginning at 700 feet AGL  that laterally abuts uncontrolled  (Class G) airspace... Airspace beginning at 700 feet AGL  that laterally abuts 1200 feet or  higher Class E Airspace... Airspace beginning at the surface (sfc) designated around air- ports..  Airspace beginning at the  surface with an airspace  exclusion area where  Class E airspace is ex- cluded below 1200’ MSL. gate lateral and vertical limits shall be defined by the following: The limits of Class E airspace shall be  shown by narrow  vignettes or by the  dashed magenta  symbol. Individual  units of designated  airspace are not  necessarily shown;  instead, the aggre- Airspace beginning at the surface (sfc) desig- nated around airports... (A minus in front of the  figure is used to indicate  “from surface to but not  including...”) Altitude in hundreds of feet MSL Appropriate notes as required may be shown.  (Mode C see FAR 91.215/ AIM)