StacksVerified U.S. regulatory reference

33 CFR §147.1112

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Description: The area within a line 500 meters from each point on the structure's outer edge. The position of the center of the structure is 34-29-42 N, 120-42-08 W.
  2. (b)Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel, (2) a vessel under 100 feet in length overall not engaged in towing or (3) a vessel authorized by the Commander, USCG Southwest District.