[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: 33CFR150.338] [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. 150.338 Navigation of support vessels in the safety zone. (a) A support vessel must not enter or move within the safety zone unless the movement is cleared by the Vessel Traffic Supervisor. (b) A support vessel must not anchor in the safety zone, except in an anchorage area or for support vessel maintenance operations cleared by the Vessel Traffic Supervisor.