33 CFR § 147.863 - Turritella FPSO System Safety Zone.

---
identifier: "/us/cfr/t33/s147.863"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 147.863 - Turritella FPSO System Safety Zone."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "147.863"
section_name: "Turritella FPSO System Safety Zone."
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: "2026-03-24"
last_updated: "2026-03-24"
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"
---


# 147.863 Turritella FPSO System Safety Zone.

(a) *Description.* The Turritella, a Floating Production, Storage and Offloading (FPSO) system is to be installed in the deepwater area of the Gulf of America at Walker Ridge 551. The FPSO can swing in a 360 degree arc around the center point of the turret buoy's swing circle at 26°25′38.74″ N., 90°48′45.34″ W., and the area within 500 meters (1640.4 feet) around the stern of the FPSO when it is moored to the turret buoy is a safety zone. If the FPSO detaches from the turret buoy, the area within 500 meters (1640.4 feet) around the center point at 26°25′38.74″ N., 90°48′45.34″ W. is a safety zone.

(b) *Regulation.* 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 Heartland District.

[USCG-2015-0318, 80 FR 71942, Nov. 18, 2015]