Public Utilities Code section 21401

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.

Source: Section 21401, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PUC§ionNum=21401.­ (updated Jan. 1, 1968; accessed Jun. 16, 2025).

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Verified:
Jun. 16, 2025

§ 21401's source at ca​.gov