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National
United States Regulations
33 CFR PART 147—SAFETY ZONES






Title 33: Navigation and Navigable Waters

PART 147—SAFETY ZONES



Authority: 14 U.S.C. 85; 43 U.S.C. 1333; 49 CFR 1.46.

Source: CGD 78–160, 47 FR 9386, Mar. 4, 1982, unless otherwise noted.

§ 147.1 Purpose of safety zones.
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Safety zones may be established around OCS facilities being constructed, maintained, or operated on the Outer Continental Shelf to promote the safety of life and property on the facilities, their appurtenances and attending vessels, and on the adjacent waters within the safety zones. Regulations adopted for safety zones may extend to the prevention or control of specific activities and access by vessels or persons, and include measures to protect the living resources of the sea from harmful agents. The regulations do not encompass the operating equipment or procedures used in the drilling for and production of oil, gas, or other minerals, or the transportation of oil, gas, or other minerals by pipeline except as they relate to the safety of life and property on OCS facilities and on the waters adjacent to OCS facilities or to the protection of the living resources of the sea within a safety zone from harmful agents.

§ 147.5 Delegation of authority.
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The authority to establish safety zones and to issue and enforce safety zone regulations in accordance with the provisions of this part is delegated to District Commanders.

§ 147.10 Establishment of safety zones.
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(a) Whenever it comes to the attention of the District Commander that a safety zone and regulations may be required concerning any OCS facility being constructed, maintained, or operated on the Outer Continental Shelf or its appurtenances and attending vessels, or the adjacent waters, the District Commander may initiate appropriate inquiry to determine whether a safety zone and regulations should be established. In making this determination, the District Commander considers all relevant safety factors, including existing or reasonably foreseeable congestion of vessels, the presence of unusually harmful or hazardous substances, and any obstructions within 500 meters of the OCS facility. If the District Commander determines that the circumstances warrant the establishment of a safety zone and regulations the District Commander takes action as necessary consistent with the provisions of this part.

(b) Except as provided in paragraph (c) of this section, a safety zone and necessary regulations may be established concerning any OCS facility being constructed, maintained or operated on the Outer Continental Shelf, following publication of a notice of proposed rule making in the Federal Register and after interested parties have been given the opportunity to submit comments. A zone and necessary regulations may be in effect during any period when construction equipment and materials are within 500 meters of the construction site until the removal of all portions of the facility.

(c) A safety zone and necessary regulations may be established without public rule making procedures when the District Commander determined that imminent danger exists with respect to the safety of life and property on an OCS facility constructed, maintained, or operated on the Outer Continental Shelf, its appurtenances and attending vessels or adjacent waters. A safety zone and regulations may be made effective on the date the rule is published in the Federal Register. However, if circumstances require, they may be placed into effect immediately, followed promptly by publication in the Federal Register. The District Commander may utilize, in addition to broadcast Notices to Mariners, Local Notices to Mariners, and Notices to Mariners, newspapers, and broadcasting stations to disseminate information concerning a safety zone and regulations pertaining thereto. The public may comment concerning the establishment of a safety zone or regulations under this paragraph. A safety zone or regulations may be modified or withdrawn, as appropriate, based on the comments received.

(d) Geographic coordinates expressed in terms of latitude or longitude, or both, are not intended for plotting on maps or charts whose referenced horizontal datum is the North American Datum of 1983 (NAD 83), unless such geographic coordinates are expressly labeled NAD 83. Geographic coordinates without the NAD 83 reference may be plotted on maps or charts reference to NAD 83 only after application of the appropriate corrections that are published on the particular map or chart being used.

[CGD 78–160, 47 FR 9386, Mar. 4, 1982, as amended by CGD 86–082, 52 FR 33811, Sept. 8, 1987]

§ 147.15 Extent of safety zones.
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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.

§ 147.20 Definitions.
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Unless otherwise stated, the term “attending vessel” refers to any vessel which is operated by the owner or operator of an OCS facility located in the safety zone, which is used for the purpose of carrying supplies, equipment or personnel to or from the facility, which is engaged in construction, maintenance, alteration, or repair of the facility, or which is used for further exploration, production, transfer or storage of natural resources from the seabed beneath the safety zone.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.801 Boxer Platform safety zone.
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(a) Description. The Boxer Platform is located at position 27°56'48" N, 90°59'48" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent East—West Gulf of Mexico Fairway is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(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, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.803 Bullwinkle Platform safety zone.
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(a) Description. The Bullwinkle Platform is located at position 27°53'01" N, 90°54'04" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(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, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.805 Ursa Tension Leg Platform safety zone.
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(a) Description. The Ursa Tension Leg Platform (Ursa TLP) is located at position 28°09'14.497" N, 89°06'12.790" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(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, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.807 West Delta 143 Platform safety zone.
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(a) Description. The West Delta 143 Platform is located at position 28°39'42" N, 89°33'05" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent Mississippi River Approach Fairway, is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except: (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, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.809 Mars Tension Leg Platform safety zone.
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(a) Description. The Mars Tension Leg Platform (Mars TLP) is located at position 28°10'10.29" N, 89°13'22.35" W with two supply boat mooring buoys at positions 28°10'18.12" N, 89°12'52.08" W (Northeast) and 28°09'49.62" N, 89°12'57.48" W (Southeast). The area within 500 meters (1640.4 feet) from each point on the structure's outer edge and the area within 500 meters (1640.4 feet) of each of the supply boat mooring buoys is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(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, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.811 Ram-Powell Tension Leg Platform safety zone.
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(a) Description. The Ram-Powell Tension Leg Platform (Ram-Powell TLP) is located at position 29°03'52.2" N, 88°05'30" W with two supply boat mooring buoys at positions 29°03'52.2" N, 88°05'12.6" W (Northeast) and 29°03'28.2" N, 88°05'10.2" W (Southeast). The area within 500 meters (1640.4 feet) from each point on the structure's outer edge and the area within 500 meters (1640.4 feet) of each of the supply boat mooring buoys is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(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, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.813 Auger Tension Leg Platform safety zone.
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(a) Description. The Auger Tension Leg Platform (Auger TLP) is located at position 27°32'45.4" N, 92°26'35.09" W with two supply boat mooring buoys at positions 27°32'38.1" N, 92°26'04.8" W (East Buoy) and 27°32'58.14" N, 92°27'04.92" W (West Buoy). The area within 500 meters (1640.4 feet) from each point on the structure's outer edge and an area within 500 meters (1640.4 feet) of each of the supply boat mooring buoys is a safety zone.

(b) Regulation. No vessel may enter or remain in this safety zone except:

(1) an attending vessel;

(2) A vessel under 100 feet in length overall not engaged in towing or fishing; or

(3) A vessel authorized by the Commander, Eighth Coast Guard District.

[CGD 08–99–023, 65 FR 16825, Mar. 30, 2000]

§ 147.815 ExxonMobil Hoover Floating OCS Facility safety zone.
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(a) Description. The ExxonMobil Hoover Floating OCS Facility, Alaminos Canyon Block 25A (AC25A), is located at position 26°56'33" N, 94°41'19.55" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge 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, Eighth Coast Guard District

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.817 Sir Douglas Morpeth Tension Leg Platform safety zone.
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(a) Description. The Sir Douglas Morpeth Tension Leg Platform (Morpeth TLP), Ewing Bank Block 921A (EW 921A), is located at position 28°02'05.28" N, 90°01'22.12" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge 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, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.819 Allegheny Tension Leg Platform safety zone.
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(a) Description. The Allegheny Tension Leg Platform (Allegheny TLP), Green Canyon Block 254A (GC 254A), is located at position 27°41'29.65" N, 90°16'31.93" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge 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, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.821 Brutus Tension Leg Platform safety zone.
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(a) Description. The Brutus Tension Leg Platform (Brutus TLP), Green Canyon Block 158 (GC 158), is located at position 27°47'42.86" N, 90°38'51.15" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge 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, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.823 Enchilada Platform safety zone
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(a) Description. The Enchilada Platform, Garden Banks Block 128A (GB 128A), is located at position 27°52'31.31" N, 91°59'11.09" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge, not to extend into the adjacent East-West Gulf of Mexico Fairway, 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, Eighth Coast Guard District.

[CGD08–01–025, 68 FR 4102, Jan. 28, 2003]

§ 147.825 Chevron Genesis Spar safety zone.
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(a) Description. The Chevron Genesis Spar, Green Canyon 205A (GC205A), is located at position 27°46'46.365" N, 90°31'06.553" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge 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, Eighth Coast Guard District.

[CGD08–01–043, 68 FR 4100, Jan. 28, 2003]

§ 147.827 Marlin Tension Leg Platform safety zone.
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(a) Description. The Marlin Tension Leg Platform (Marlin TLP), Viasca Knoll, Block 915 (VK 915), is located at position 29°6'27.46" N, 87°56'37.14" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge 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, Eighth Coast Guard District.

[CGD08–02–045, 68 FR 55445, Sept. 26, 2003]

§ 147.829 Matterhorn Tension Leg Platform safety zone.
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(a) Description. The Matterhorn Tension Leg Platform A (Matterhorn TLP), Mississippi Canyon 243 (MC 243), located at position 28°44'32" N, 88°39'32" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–03–017, 68 FR 59118, Oct. 14, 2003]

§ 147.831 Holstein Truss Spar safety zone.
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(a) Description. Holstein, Green Canyon 645 (GC 645), located at position 27°19'17" N, 90°32'08" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon North American Datum 1983.

(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, Eighth Coast Guard District.

[CGD08–03–028, 69 FR 6147, Feb. 10, 2004]

§ 147.833 Na Kika FDS safety zone.
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(a) Description. Na Kika FDS, Mississippi Canyon 474 “A” (MC 474 “A”), located at position 28°31'14.86" N, 88°17'19.69" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–03–039, 69 FR 21066, Apr. 20, 2004]

§ 147.835 Magnolia TLP safety zone.
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(a) Description. Magnolia TLP, Garden Banks 783 “A” (GB 783 “A”), located at position 27°12'13.86" N, 92°12'09.36" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–03–040, 69 FR 19934, Apr. 15, 2004]

§ 147.837 Marco Polo Tension Leg Platform safety zone.
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(a) Description. Marco Polo Tension Leg Platform, Green Canyon 608 (GC 608), located at position 27°21'43.32" N, 90°10'53.01" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–04–004, 69 FR 33858, June 17, 2004]

§ 147.839 Mad Dog Truss Spar Platform safety zone.
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(a) Description. Mad Dog Truss Spar Platform, Green Canyon 782 (GC 782), located at position 27°11'18" N, 91°05'12" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–05–012, 70 FR 43768, July 29, 2005]

§ 147.841 Atlantis Semi-Submersible safety zone.
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(a) Description. Atlantis Semi-Submersible, Green Canyon 787 (GC 787), located at position 27°11'44" N, 90°01'37" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–05–015, 70 FR 43772, July 29, 2005]

§ 147.843 Thunder Horse Semi-Submersible safety zone.
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(a) Description. Thunder Horse Semi-Submersible, Mississippi Canyon 778 (MC 778), located at position 28°11'26" N, 88°29'44" W. The area within 500 meters (1640.4 feet) from each point on the structure's outer edge is a safety zone. These coordinates are based upon [NAD 83].

(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, Eighth Coast Guard District.

[CGD08–05–019, 70 FR 43770, July 29, 2005]

§ 147.1102 Platform GRACE safety zone.
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(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°–10'–47" N, 119°–28'–05" W.

(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, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1103 Platform GINA safety zone.
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(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°–07'–02" N, 119°–16'–35" W.

(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, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1104 Platform ELLEN & ELLY safety zone.
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(a) Description: The areas within a line 500 meters from each point on the outer edge of each structure. The structures are approximately 120 meters apart. The position of the center of each structure is: Platform Ellen, 33°–34'–57" N, 118°–07'–42" W; and Platform Elly, 33°–35'–00" N, 118°–07'–40" W.

(b) Regulations: No vessel may enter or remain in this safety zone except the following: (1) An attending vessel serving either structure, (2) a vessel under 100 feet in length overall not engaged in towing, or (3) a vessel authorized by the Commander, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1105 Platform HONDO safety zone.
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(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°–23'–27" N, 120°–07'–14" W.

(b) Regulations: No vessel may enter or remain in this safety zone except for 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, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1106 Exxon Santa Ynez offshore storage and treatment vessel mooring safety zone.
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(a) Description: The area within a line 1108 meters for the center of the mooring. The position of the center of the mooring is 34°–24'–19" N 120°–06'00" W.

(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, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1107 Platform GILDA safety zone.
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(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°–10'–56" N. 119°–25'–07" W.

(b) Regulations: No vessel may enter or remain in this safety zone except for 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, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1108 Platform EDITH safety zone.
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(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 33°–35'–45" N. 118°–08'–27" W.

(b) Regulations: No vessel may enter or remain in this safety zone except for 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, Eleventh Coast Guard District.

[CCGD 11–79–02, 47 FR 39679, Sept. 9, 1982; 48 FR 33263, July 21, 1983]

§ 147.1109 Platform HERMOSA safety zone.
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(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 34–27–19 N, 120–38–47 W.

(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, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33015, Aug. 20, 1984]

§ 147.1110 Platform HARVEST safety zone.
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(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 34–28–09.5 N, 120–40–46.1 W.

(b) Regulations: No vessel may enter or remain in this safety zone except for 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, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33016, Aug. 20, 1984]

§ 147.1111 Platform EUREKA safety zone.
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(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 33–33–50 N, 118–07–00 W.

(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, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33016, Aug. 20, 1984]

§ 147.1112 Platform HIDALGO safety zone.
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(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.

(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, Eleventh Coast Guard District.

[CGD 11–84–01, 49 FR 33016, Aug. 20, 1984]

§ 147.1113 Platform GAIL safety zone.
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(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°–07'–30" N, 119°–24'–01" W.

(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, Eleventh Coast Guard District.

[CGD11–87–06, 52 FR 9657, Mar. 26, 1987]

§ 147.1114 Platform HARMONY safety zone.
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(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°–22'–36" N, 120°–10'–03" W.

(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, Eleventh Coast Guard District.

[CGD11–92–01, 57 FR 9055, Mar. 16, 1992]

§ 147.1115 Platform HERITAGE safety zone.
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(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°–21'–01" N, 120°–16'–45" W.

(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, Eleventh Coast Guard District.

[CGD11–92–01, 57 FR 9055, Mar. 16, 1992]

§ 147.1116 Platform IRENE safety zone.
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(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°–36'–37.5" N, 120°–43'–46" W.

(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, Eleventh Coast Guard District.

[CGD11–92–02, 57 FR 9054, Mar. 16, 1992]