33 CFR § 165.1327 - Security Zone; escorted U.S. Navy submarines in Sector Seattle Captain of the Port Zone.
(a) Location. The following area is a security zone: All waters within 1000 yards of any U.S. Navy submarine that is operating in the Sector Puget Sound Captain of the Port Zone, as defined in 33 CFR Section 3.65-10, and is being escorted by the Coast Guard.
(b) Regulations. In accordance with the general regulations in 33 CFR Section 165, Subpart D, no person or vessel may enter or remain in the security zone created by paragraph (a) of this section unless authorized by the Coast Guard patrol commander. The Coast Guard patrol commander will coordinate with Vessel Traffic System users on a case-by-case basis to make appropriate passing arrangements under the circumstances. 33 CFR Section 165, Subpart D, contains additional provisions applicable to the security zone created in paragraph (a) of this section.
(c) Notification. The Coast Guard security escort will attempt, when necessary and practicable, to notify any persons or vessels inside or in the vicinity of the security zone created in paragraph (a) of this section of its existence via VHF Channel 16 and/or any other means reasonably available.