Section 165.802 - Lower Mississippi River, vicinity of Old River Control Structure-Safety Zone(a) The area enclosed by the following boundary is a safety zone-from the Black Hawk Point Light, mile 316.1 AHP LMR to a point opposite Ft. Adams Light, mile 311.5 AHP along the low water reference plane above the right descending bank; thence to the levee on a line perpendicular to the channel centerline; thence along the levee to the upstream end of the Old River Overbank structure; thence along a line to the Black Hawk Point Light.(b) Any vessel desiring to enter this safety zone must first obtain permission from the Captain of the Port, New Orleans. The resident engineer at Old River Control Structure (WUG-424) is delegated the authority to permit entry into this safety zone.CGD8-87-10, 53 FR 15207, Apr. 28, 1988, as amended by CGD8 89-03, 54 FR 16108, Apr. 21, 1989