What is the first notice required before a tanker enters the safety zone or area to be avoided?

§ 150.325 What is the first notice required before a tanker enters the safety zone or area to be avoided? (a) The owner, master, agent, or person in charge of a tanker bound for a manned deepwater port must comply with the notice of arrival requirements in subpart C of part 160 of this chapter. (b) The owner, master, agent, or person in charge of a tanker bound for a manned deepwater port must report the pertinent information required in § 150.15(i)(4)(vi) of this part for the vessel, including: (1) The name, gross tonnage, and draft of the tanker; (2) The type and amount of cargo in the tanker; (3) The location of the tanker at the time of the report; (4) Any conditions on the tanker that may impair its navigation, such as fire, or malfunctioning propulsion, steering, navigational, or radiotelephone equipment. The testing requirements in § 164.25 of this chapter are applicable to vessels arriving at a deepwater port; (5) Any leaks, structural damage, or machinery malfunctions that may impair cargo transfer operations or cause a product discharge; and (6) The operational condition of the equipment listed under § 164.35 of this chapter on the tanker. (c) If the estimated time of arrival changes by more than 6 hours from the last reported time, the National Vessel Movement Center (NVMC) and the port's person in charge of vessel operations must be notified of the correction as soon as the change is known. (d) If the information reported in paragraphs (b)(4) or (b)(5) of this section changes at any time before the tanker enters the safety zone or area to be avoided at the deepwater port, or while the tanker is in the safety zone or area to be avoided, the master of the tanker must report the changes to the NVMC and port's person in charge of vessel operations as soon as possible. [USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39182, July 1, 2013]