California Code, Harbors and Navigation Code - HNC § 1140

(a) It is the intent of the Legislature to provide for a unified system of state regulated pilotage for Monterey Bay and the Bays of San Francisco, San Pablo, and Suisun.

(b) The Legislature finds and declares that unified pilotage will be beneficial to the safety of people, vessels, and property using those bays and tributaries.

(c) The Legislature further finds and declares that unified systems of regulated pilotage are common to the ports of the world and are most familiar to, and best able to serve, both foreign and domestic vessels.