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AirspaceQuestion 154 of 934

How far up does Class G airspace extend?

  1. From the surface to 1,200 feet AGL in all areas
  2. From the surface to 14,500 feet MSL in all areas
  3. From the surface to 18,000 feet MSL in all areas
  4. From the surface to the overlying Class E base
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Correct answer: From the surface to the overlying Class E base

Class G is all airspace not classified as A, B, C, D, or E. It reaches up to the base of Class E.

Source: Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25C), Chapter 15: Airspace — Class G Airspace, page 378

Practice airspace

Questions last reviewed: 18 October 2026