33 CFR § 147.15 - Extent of safety zones.

---
identifier: "/us/cfr/t33/s147.15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 147.15 - Extent of safety zones."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "147.15"
section_name: "Extent of safety zones."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "N"
subchapter_name: "OUTER CONTINENTAL SHELF ACTIVITIES"
part_number: "147"
part_name: "SAFETY ZONES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 544; 43 U.S.C. 1333; 33 CFR 1.05-1; Department of Homeland Security Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "CGD 78-160, 47 FR 9386, Mar. 4, 1982, unless otherwise noted."
cfr_part: "147"
---


# 147.15 Extent of safety zones.

A safety zone establishment under this part may extend to a maximum distance of 500 meters around the OCS facility measured from each point on its outer edge or from its construction site, but may not interfere with the use of recognized sea lanes essential to navigation.