Pen. Code, § 4577

(a) Except as provided in subdivisions (b), (c), and (d), a person who knowingly and intentionally operates an unmanned aircraft system on or above the grounds of a state prison, a jail, or a juvenile hall, camp, or ranch is guilty of an infraction, punishable by a fine of five hundred dollars ($500).

(b) This section does not apply to a person employed by the prison who operates the unmanned aircraft system within the scope of his or her employment, or a person who receives prior permission from the Department of Corrections and Rehabilitation to operate the unmanned aircraft system over the prison.

(c) This section does not apply to a person employed by the jail who operates the unmanned aircraft system within the scope of his or her employment, or a person who receives prior permission from the county sheriff to operate the unmanned aircraft system over the jail.

(d) This section does not apply to a person employed by the county department that operates the juvenile hall, camp, or ranch who operates the unmanned aircraft system within the scope of his or her employment, or a person who receives prior permission from the county department that operates the juvenile hall, camp, or ranch to operate the unmanned aircraft system over the juvenile hall, camp, or ranch.

(e) For purposes of this section, the following definitions apply:

(1) “Unmanned aircraft” means an aircraft that is operated without the possibility of direct human intervention from within or on the aircraft.

(2) “Unmanned aircraft system” means an unmanned aircraft and associated elements, including, but not limited to, communication links and the components that control the unmanned aircraft that are required for the pilot in command to operate safely and efficiently in the national airspace system.