Public Utilities Code § 21242
ARTICLE 2. Powers and Duties
The department may:
(a) Draft and recommend necessary legislation to advance the interest of the state in aeronautics.
(b) Represent the state in aeronautical matters before federal and other agencies.
(c) Participate as plaintiff or defendant or as intervenor on behalf of the state or any political subdivision or citizen in any controversy which involves the interest of the state in aeronautics.
(d) Assist political subdivisions and their law enforcement agencies in becoming acquainted with and enforcing the civil air regulations.