Section 334.40 - Atlantic Ocean in vicinity of Duck Island, Maine, Isles of Shoals; naval aircraft bombing target area(a)The danger zone. A circular area with a radius of 500 yards having its center on Shag Rock in the vicinity of Duck Island at latitude 43°00'12", longitude 70°36'12".(b)The regulations.(1) No person or vessel shall enter or remain in the danger zone from 8:00 a.m. to 5:00 p.m. (local time) daily, except as authorized by the enforcing agency.(2) This section shall be enforced by the Commandant, First Naval District, and such agencies as he may designate.14 FR 5592, Sept. 13, 1949. Redesignated at 50 FR 42696, Oct. 22, 1985, as amended at 62 FR 17551, Apr. 10, 1997