Section 21401 Of Chapter 3. Regulation Of Aeronautics From California Public Utilities Code >> Division 9. >> Part 1. >> Chapter 3.

. Sovereignty in the space above the land and waters of this state rests in the state, except where granted to and assumed by the United States pursuant to a constitutional grant from the people of the state. The operation of aircraft in such space is a privilege subject to the laws of this state.