4.1 Class B Airspace

(Refer to FAA-CT-8080-2H, Figure 25, Area 3.) The floor of Class B airspace at Dallas Executive (RBD) is

(CLICK THE IMAGE TO ENLARGE)

• at the surface

• 3,000 feet MSL

• 3,100 feet MSL

(Refer to Figure 25, area 4.) What is the floor of Class B airspace at Ft. Worth Alliance (AFW) airport?

• At the surface

• 3000 ft. MSL

• 4000 ft. MSL

• 4000 ft. AGL

On a sectional chart, Class B airspace is depicted by

• a solid blue line

• a solid magenta line

• a dashed blue line

• a dashed magenta line

• a fuzzy blue line

When picturing Class B airspace extending up from the ground it resembles

• a pyramid

• a cone

• an upside-down wedding cake

Class B airspace normally surrounds the nation's ​ (a)   airports.

• busiest
• smallest
• quietest
• most remote
• closed

Class B airspace is

• controlled

• uncontrolled

• unregulated