(a) Location. The following area is a safety zone: All waters of the St. Johns River Ship Channel from surface to bottom, encompassed by a line connecting the following points beginning at Point 1 at 30°23′23.3″ N, 81°32′11.2″ W, thence to Point 2 at 30°23′.3″ N, 81°32′6.3″ W, thence to Point 3 at 30°23′34″ N, 81°31′6.2″ W thence to Point 4 at 30°23′21.4″ N, 81°31′1.6″ W; thence returning to Point 1. These coordinates are based on the World Geodetic System WGS 84.

(b) Definitions. As used in this section, designated representative means a Coast Guard Patrol Commander, including a Coast Guard coxswain, petty officer, or other officer operating a Coast Guard vessel and a Federal, State, and local officer designated by or assisting the Captain of the Port Sector Jacksonville (COTP) in the enforcement of the safety zone.

(c) Regulations. (1) Under the general safety zone regulations in subpart C of this part, you may not enter the safety zone described in paragraph (a) of this section unless authorized by the COTP or the COTP's designated representative.

(2) To seek permission to enter, contact the COTP or the COTP's representative on VHF-FM channel 16 or by telephone at (904) 714-7557. Those in the safety zone must comply with all lawful orders or directions given to them by the COTP or the COTP's designated representative.

(d) Effective and enforcement periods. This section will be effective from July 27, 2026, through March 5, 2027, but will only be enforced while the helicopter is engaged in the construction and deconstruction of the lines and towers across the navigable channel of the St. John's River. The COTP will make notice of the safety zone via the Local Notice to Mariners and issue a Broadcast Notice to Mariners via marine channel 16 (VHF-FM) as soon as practicable in advance of these scheduled closures.