§ 166.200 Shipping safety fairways and anchorage areas, Gulf of Mexico.
(a) Purpose. Fairways and anchorage areas as described in this section are established to control the erection of structures therein to provide safe approaches through oil fields in the Gulf of Mexico to entrances to the major ports along the Gulf Coast.
(b) Special Conditions for Fairways in the Gulf of Mexico. Temporary anchors and attendant cables or chains attached to floating or semisubmersible drilling rigs outside a fairway may be placed within a fairway described in this section for the Gulf of Mexico, provide the following conditions are met:
(1) Anchors installed within fairways to stablize semisubmersible drilling rigs shall be allowed to remain 120 days. This period may be extended by the Army Corps of Engineers, as provided by §209.135(b).
(2) Drilling rigs must be outside of any fairway boundary to whatever distance is necessary to ensure that the minimum depth of water over an anchor line within a fairway is 125 feet.
(3) No anchor buoys or floats or related rigging will be allowed on the surface of the water or to a depth of at least 125 feet from the surface, within a fairway.
(4) Aids to Navigation or danger markings must be installed as required by 33 CFR Subchapter C.
(c) Special Conditions for Fairway Anchorages in the Gulf of Mexico. Structures may be placed within an area designated as a fairway anchorage, but the number of structures will be limited by spacing as follows:
(1) The center of a structure to be erected shall not be less than two (2) nautical miles from the center of any existing structure.
(2) In a drilling or production complex, associated structures connected by walkways shall be considered one structure for purposes of spacing, and shall be as close together as practicable having due consideration for the safety factors involved.
(3) A vessel fixed in place by moorings and used in conjunction with the associated structures of a drilling or production complex, shall be considered an attendant vessel and the extent of the complex shall include the vessel and its moorings.
(4) When a drilling or production complex extends more than five hundred (500) yards from the center, a new structure shall not be erected closer than two (2) nautical miles from the outer limit of the complex.
(5) An underwater completion installation in an anchorage area shall be considered a structure and shall be marked with a lighted buoy approved by the United States Coast Guard under §66.01.
(d) Designated Areas—(1) Brazos Santiago Pass Safety Fairway. The areas between rhumb lines joining points at:
(13) Sabine Pass Anchorage Areas—(i) Sabine Pass Inshore Anchorage Area. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°37[min]32[sec] N. 93°48[min]02[sec] W.29°37[min]32[sec] N. 93°21[min]25[sec] W.29°32[min]52[sec] N. 93°43[min]00[sec] W.29°36[min]28[sec] N. 93°47[min]14[sec] W.------------------------------------------------------------------------
(ii) Sabine Bank Offshore (North) Anchorage Area. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°26[min]06[sec] N. 93°43[min]00[sec] W.29°26[min]06[sec] N. 93°41[min]08[sec] W.29°24[min]06[sec] N. 93°41[min]08[sec] W.29°24[min]06[sec] N. 93°43[min]00[sec] W.------------------------------------------------------------------------
(iii) Sabine Bank Offshore (South) Anchorage Area. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°16[min]55[sec] N. 93°43[min]00[sec] W.29°16[min]55[sec] N. 93°41[min]08[sec] W.29°14[min]29[sec] N. 93°41[min]08[sec] W.29°14[min]29[sec] N. 93°43[min]00[sec] W.------------------------------------------------------------------------
(iv) Sabine Bank Offshore (East) Anchorage Area. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°26[min]06[sec] N 93°38[min]52[sec] W.29°26[min]06[sec] N 93°37[min]00[sec] W.29°24[min]06[sec] N 93°37[min]00[sec] W.29°24[min]06[sec] N 93°38[min]52[sec] W.------------------------------------------------------------------------
(14) Coastwise Safety Fairways. (i) Brazos Santiago Pass to Aransas Pass. The areas between rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 26°04[min]12[sec] 96°59[min]30[sec] 26°09[min]00[sec] 96°59[min]30[sec] 27°46[min]26[sec] 96°57[min]40[sec]------------------------------------------------------------------------
(16) Calcasieu Pass Anchorage Areas—(i) Calcasieu Pass North Anchorage Area. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°41[min]12[sec] N. 93°19[min]37[sec] W.29°41[min]12[sec] N. 93°12[min]28[sec] W.29°31[min]16[sec] N. 93°12[min]16[sec] W.29°37[min]30[sec] N. 93°18[min]15[sec] W.------------------------------------------------------------------------
(ii) Calcasieu Pass South Anchorage Area. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°59[min]30[sec] N. 93°16[min]30[sec] W.28°59[min]30[sec] N. 93°14[min]00[sec] W.28°56[min]00[sec] N. 93°14[min]00[sec] W.28°56[min]00[sec] N. 93°16[min]30[sec] W.------------------------------------------------------------------------
(17) Lower Mud Lake Safety Fairway. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°43[min]24[sec] N. 93°00[min]18[sec] W.29°42[min]00[sec] N. 93°00[min]18[sec] W.------------------------------------------------------------------------
and rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------29°43[min]33[sec] N. 93°00[min]48[sec] W.29°42[min]00[sec] N. 93°00[min]48[sec] W.------------------------------------------------------------------------
(18) Freshwater Bayou Safety Fairway. The area between lines joining points at:
(28) Southwest Pass (Mississippi River) Safety Fairway—(i) Southwest Pass (Mississippi River) to Gulf Safety Fairway. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°54[min]33[sec] N. 89°26[min]07[sec] W.28°52[min]42[sec] N. 89°27[min]06[sec] W.28°50[min]00[sec] N. 89°27[min]06[sec] W.28°02[min]32[sec] N. 90°09[min]28[sec] W.------------------------------------------------------------------------
and rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°54[min]18[sec] N. 89°25[min]46[sec] W.28°53[min]30[sec] N. 89°25[min]18[sec] W.28°53[min]30[sec] N. 89°23[min]48[sec] W.28°50[min]40[sec] N. 89°24[min]48[sec] W.28°48[min]48[sec] N. 89°24[min]48[sec] W.28°47[min]24[sec] N. 89°26[min]30[sec] W.28°00[min]36[sec] N. 90°08[min]18[sec] W.------------------------------------------------------------------------
(ii) Southwest Pass (Mississippi River) to Sea Safety Fairway. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°54[min]33[sec] N. 89°26[min]07[sec] W.28°52[min]42[sec] N. 89°27[min]06[sec] W.28°50[min]00[sec] N. 89°27[min]06[sec] W.28°47[min]24[sec] N. 89°26[min]30[sec] W.28°36[min]28[sec] N. 89°18[min]45[sec] W.------------------------------------------------------------------------
and rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°54[min]18[sec] N. 89°25[min]46[sec] W.28°53[min]30[sec] N. 89°25[min]18[sec] W.28°53[min]30[sec] N. 89°23[min]48[sec] W.28°50[min]40[sec] N. 89°24[min]48[sec] W.28°48[min]48[sec] N. 89°24[min]48[sec] W.28°45[min]06[sec] N. 89°22[min]12[sec] W.28°43[min]27[sec] N. 89°21[min]01[sec] W.28°37[min]54[sec] N. 89°17[min]06[sec] W.------------------------------------------------------------------------
(iii) Southwest Pass (Mississippi River) to South Pass (Mississippi River) Safety Fairway. The areas between rhumb line joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 28°45[min]06[sec] 89°22[min]12[sec] 28°55[min]56[sec] 89°03[min]09[sec]------------------------------------------------------------------------
and rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 28°43[min]27[sec] 89°21[min]01[sec] 28°54[min]55[sec] 89°00[min]44[sec]------------------------------------------------------------------------
(29) Southwest Pass (Mississippi River) Anchorage. The area enclosed by rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°53[min]30[sec] N. 89°23[min]48[sec] W.28°53[min]30[sec] N. 89°21[min]48[sec] W.28°55[min]06[sec] N. 89°21[min]48[sec] W.28°55[min]06[sec] N. 89°19[min]18[sec] W.28°52[min]41[sec] N. 89°17[min]30[sec] W.28°50[min]40[sec] N. 89°21[min]14[sec] W.28°50[min]40[sec] N. 89°24[min]48[sec] W.------------------------------------------------------------------------
(30) South Pass (Mississippi River) Safety Fairway. (i) South Pass to Sea Safety Fairway. The areas between rhumb lines joining points at:
(38) Horn Island Pass to Mobile Ship Channel Safety Fairway. The areas between rhumb line joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 30°09[min]33[sec] 88°29[min]48[sec] 30°07[min]15[sec] 88°06[min]54[sec]------------------------------------------------------------------------
and rhumb line joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 30°07[min]30[sec] 88°29[min]09[sec] 30°05[min]29[sec] 88°09[min]19[sec]------------------------------------------------------------------------
(39) Mobile Safety Fairway—(i) Moble Ship Channel Safety Fairway. The areas between rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------30°38[min]46[sec] N 88°03[min]24[sec] W30°38[min]14[sec] N 88°02[min]42[sec] W30°31[min]59[sec] N 88°02[min]00[sec] W30°31[min]59[sec] N 88°04[min]59[sec] W------------------------------------------------------------------------
and rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------30°31[min]00[sec] N 88°05[min]30[sec] W30°31[min]00[sec] N 88°01[min]54[sec] W30°26[min]55[sec] N 88°01[min]26[sec] W30°16[min]35[sec] N 88°02[min]45[sec] W30°14[min]09[sec] N 88°03[min]24[sec] W30°10[min]36[sec] N 88°03[min]53[sec] W30°08[min]10[sec] N 88°04[min]40[sec] W30°07[min]15[sec] N 88°06[min]54[sec] W------------------------------------------------------------------------
and rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------30°39[min]55[sec] N 88°01[min]15[sec] W30°37[min]06[sec] N 88°01[min]23[sec] W30°26[min]11[sec] N 88°00[min]11[sec] W30°16[min]18[sec] N 88°01[min]35[sec] W30°13[min]52[sec] N 88°01[min]12[sec] W30°13[min]14[sec] N 88°01[min]12[sec] W30°10[min]36[sec] N 88°01[min]35[sec] W30°08[min]04[sec] N 88°00[min]36[sec] W------------------------------------------------------------------------
(ii) Mobile Ship Channel to Sea Safety Fairway. The areas between rhumb lines joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 30°05[min]15[sec] 88°01[min]13[sec] 30°03[min]50[sec] 88°00[min]00[sec] 29°25[min]46[sec] 87°29[min]13[sec]------------------------------------------------------------------------
and rhumb line joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 30°06[min]17[sec] 87°59[min]15[sec] 29°27[min]00[sec] 87°27[min]18[sec]------------------------------------------------------------------------
(iii) Mobile to Pensacola Safety Fairway. The areas between rhumb line joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 30°08[min]04[sec] 88°00[min]36[sec] 30°14[min]20[sec] 87°19[min]05[sec]------------------------------------------------------------------------
and rhumb line joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------ 30°06[min]17[sec] 87°59[min]15[sec] 30°12[min]31[sec] 87°18[min]00[sec]------------------------------------------------------------------------
(40) Mobile Anchorage. The areas within rhumb lines joining points at:
(52) Louisiana Offshore Oil Port (LOOP) Shipping Safety Fairway to Safety Zone. (i) North of Gulf Safety Fairway. The two mile wide area enclosed by rhumb lines joining points at:
(53) Heald Bank Cutoff Safety Fairway. The area enclosed by rhumb lines, [North American Datum of 1927 (NAD–27)], joining points at:
------------------------------------------------------------------------ Latitude Longitude------------------------------------------------------------------------28°57[min]15[sec] N 94°23[min]55[sec] W28°51[min]30[sec] N 93°56[min]30[sec] W28°48[min]30[sec] N 93°51[min]45[sec] W28°55[min]15[sec] N 94°23[min]55[sec] W------------------------------------------------------------------------
[CGD 81–040, 47 FR 20581, May 13, 1982]
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