Airspace

3. Airspace Airspace surrounding moderately busy airports with radar approach control and a control tower. Color Designation: Solid Magenta.
5. Airspace surrounding the nation’s busiest airports, shaped like an upside-down wedding cake. Color Designation: Solid Blue.
8. The height of an aircraft measured from the ground directly below it.
9. Airspace Controlled airspace that is not Class A, B, C, or D, often beginning at 700 ft or 1,200 ft AGL. Color Designation: Dashed Magenta, Shaded Magenta, or Shaded Blue depending on altitude.
10. _____Airspace where air traffic control provides services and manages aircraft operations.
11. The lowest altitude where a specific airspace begins.
12. Airspace from 18,000 feet MSL up to 60,000 feet MSL where all aircraft must operate under Instrument Flight Rules (IFR). Color Designation: Not shown on sectional charts.
13. The highest altitude where a specific airspace ends.

1. Airspace that begins at ground level.
2. The altitude of an aircraft measured from average sea level.
4. ___Airspace where air traffic control does not provide services.
6. _____Chart A map used by pilots that displays airspace classifications, airports, terrain, and navigation information.
7. Airspace Airspace surrounding smaller airports that have an operating control tower. Color Designation: Dashed Blue.
10. Airspace Uncontrolled airspace typically found near the ground in rural areas where ATC services are not provided. Color Designation: Not specifically colored on sectional charts.