(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.

(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.

(1) Brazos Santiago Pass Safety Fairway. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(2) Brazos Santiago Pass Anchorage Areas. The areas enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(3) Port Mansfield Safety Fairway. The area between a rhumb line joining points at:

and rhumb lines joining points at:

(4) Aransas Pass Safety Fairway. The area between rhumb lines joining points at:

and rhumb lines joining points at:

separated by areas enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(5) Aransas Pass Anchorage Areas. The areas enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(6) Matagorda Entrance Safety Fairway. The areas between rhumb lines joining points at:

with rhumb lines joining points at:

(7) Matagorda Entrance Anchorage Areas. The areas enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(8) Freeport Harbor Safety Fairway. The area between rhumb lines joining points at:

and rhumb lines joining points at:

(9) Freeport Harbor Anchorage Areas. The areas enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(10) Galveston Entrance Safety Fairways. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(11) Galveston Entrance Anchorage Areas. The areas enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(12) Sabine Pass Safety Fairway. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(13) Sabine Pass Anchorage Areas -

(14) Coastwise Safety Fairways -

(15) Calcasieu Pass Safety Fairway. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(16) Calcasieu Pass Anchorage Areas -

(17) Lower Mud Lake Safety Fairway. The area enclosed by rhumb lines joining points at:

and rhumb lines joining points at:

(18) Freshwater Bayou Safety Fairway. The area between lines joining points at:

and a line joining points at:

(19) Southwest Pass Safety Fairway. The area between lines joining points at:

and lines joining points at:

(20) Atchafalaya Pass Safety Fairway. The area between a line joining points at:

and a line joining points at:

(21) Bayou Grand Caillou Safety Fairway. The area between a line joining points at:

and a line joining points at:

(22) Cat Island Pass Safety Fairway. The area between lines joining points at:

and lines joining points at:

(23) Belle Pass Safety Fairway. The area between a line joining points at:

and a line joining points at:

(24) Barataria Pass Safety Fairway. The area between a line joining points at:

and a line joining points at:

(25) Grand Bayou Pass Safety Fairway. The areas between a line joining points at:

and a line joining points at:

(26) Empire to the Gulf Safety Fairway. The area between a line joining points at:

and a line joining points at:

(27) Gulf Safety Fairway. Aransas Pass Safety Fairway to Southwest Pass Safety Fairway. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(28) Southwest Pass (Mississippi River) Safety Fairway -

(29) Southwest Pass (Mississippi River) Anchorage. The area enclosed by rhumb lines joining points at:

(30) South Pass (Mississippi River) Safety Fairway -

(31) South Pass (Mississippi River) Anchorage. The areas within rhumb lines joining points at:

(32) Mississippi River-Gulf Outlet Safety Fairway.

(33) Mississippi River-Gulf Outlet Anchorage.

(34) Gulfport Safety Fairway. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(35) Biloxi Safety Fairway. The area between lines joining points at:

and lines joining points at:

(36) Ship Island Pass to Horn Island Pass Safety Fairway. The areas between rhumb line joining points at:

and rhumb line joining points at:

(37) Pascagoula Safety Fairway. The areas between rhumb lines joining points at:

and rhumb line joining points at:

and rhumb line joining points at:

and rhumb lines joining points at:

(38) Horn Island Pass to Mobile Ship Channel Safety Fairway. The areas between rhumb line joining points at:

and rhumb line joining points at:

(39) Mobile Safety Fairway -

(40) Mobile Anchorage. The areas within rhumb lines joining points at:

(41) Pensacola Safety Fairway. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

and rhumb lines joining points at:

and rhumb lines joining points at:

and rhumb lines joining points at:

(42) Pensacola Anchorage.

(43) Pensacola to Panama City Safety Fairway. The area between rhumb lines joining points at:

and rhumb lines joining points at:

(44) Panama City Safety Fairways. The areas between rhumb lines joining points at:

and rhumb lines joining points at:

(45) Panama City Anchorage. The area within rhumb lines joining points at:

(46) Port St. Joe Fairway to Panama City Fairway. The area between rhumb lines joining points at:

and rhumb lines joining points at:

(47) Port St. Joe Anchorage. The area within rhumb lines joining points at:

(48) Tampa Safety Fairways. The area between rhumb lines joining points at:

and rhumb lines joining points at:

(49) Tampa Anchorages -

(50) Charlotte Safety Fairways. The area between rhumb lines joining points at:

and rhumb lines joining points at:

(51) Charlotte Anchorage. The area within rhumb lines joining points at:

(52) Louisiana Offshore Oil Port (LOOP) Shipping Safety Fairway to Safety Zone -

(53) Heald Bank Cutoff Safety Fairway. The area enclosed by rhumb lines [North American Datum of 1927 (NAD-27)], joining points at: