Public Utilities Code section 21646

It shall be a misdemeanor for any person to release or fly or cause to be released or flown, within five miles of any airport, any moored balloon, kite, unmanned rocket, or unmanned free balloon which might be ingested by an aircraft engine or might cause a pilot’s view of the airport and zone approach to be obstructed, or which could be used to suspend an object capable of endangering airborne aircraft or impairing a pilot’s vision.

Source: Section 21646, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=PUC§ionNum=21646.­ (updated Jan. 1, 1970; accessed Nov. 3, 2025).

Green check means up to date. Up to date

Verified:
Nov. 3, 2025

§ 21646's source at ca​.gov