[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: 33CFR150.337] [Page 224] 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. 150.337 Navigation of tankers in the safety zone. (a) A tanker must not enter or depart a safety zone except via a designated safety fairway, unless under force majeure. (b) A tanker must not anchor in the safety zone except in a designated anchorage area unless under force majeure. (c) A tanker underway in a safety zone must keep at least 5 miles behind any other tanker underway ahead of it in the safety zone. (d) A tanker must not operate, anchor, or be moored in any area of the safety zone in which the net underkeel clearance would be less than 5 feet.