Section 165.1708 - Tongass Narrows, Ketchikan, Alaska-Safety Zone(a)Location. The following area is a safety zone: the waters in Tongass Narrows within a 300 yard radius of the barge located at 55°20'32" N, 131°39'40" W used to conduct fireworks displays.(b)Effective date. The safety zone becomes effective on July 3 each year at 10 p.m. ADT. It terminates at the conclusion of the fireworks display at approximately 2:30 a.m. ADT on July 5 each year, unless sooner terminated by the Captain of the Port. If the fireworks display is postponed because of inclement weather, the date and duration of the safety zone will be announced in the Local Notices to Mariners.(c)Regulation. In accordance with the general regulations in § 165.23 of this part, entry into this zone is prohibited unless authorized by the Captain of the Port, Southeast Alaska.59 FR 31933, June 21, 1994, as amended at 65 FR 81362, Dec. 26, 2000