[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR150.313] [Page 223] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 150--OPERATIONS--Table of Contents Subpart C--Vessel Navigation Sec. 150.313 Clearances for tankers. (a) The Vessel Traffic Supervisor may not clear a tanker to enter the safety zone unless: (1) Each other tanker underway in the safety zone is at least 5 miles from the tanker requesting clearance to enter the safety zone; and (2) A Mooring Master is on board or ready to board at a position in the designated safety fairway that will permit completion of boarding before the tanker enters the safety zone. (b) The Vessel Traffic Supervisor may not clear a tanker to moor at a SPM unless: (1) There is a SPM berth available and the Vessel Traffic Supervisor has assigned that berth to the tanker; (2) The visibility in the safety zone is at least two miles; (3) All operating conditions prescribed in the Operation Manuals for mooring to a SPM have been met; and (4) A Mooring Master and an Assistant Mooring Master are on board. (c) The Vessel Traffic Supervisor may not clear a tanker to depart from a SPM unless the visibility in the safety zone is at least two miles and a Mooring Master is on board. (d) No tanker may enter the safety zone or moor at or depart from a SPM, unless the master of the tanker has obtained clearance from the Vessel Traffic Supervisor, except as permitted by paragraph (e) of this section. (e) A tanker may, in an emergency, for the protection of life or property, depart from a SPM without clearance from the Vessel Traffic Supervisor if the master advises the Vessel Traffic Supervisor of the circumstances, by radio, at the earliest possible moment.