[Code of Federal Regulations] [Title 33, Volume 1] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR62.41] [Page 147] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 62--UNITED STATES AIDS TO NAVIGATION SYSTEM--Table of Contents Subpart B--The U.S. Aids to Navigation System Sec. 62.41 Ranges. Ranges are aids to navigation systems employing dual beacons which, when the structures appear to be in line, assist the mariner in maintaining a safe course. The appropriate nautical chart must be consulted when using ranges to determine whether the range marks the centerline of the navigable channel and also to ascertain what section of the range may be safety traversed. Ranges are generally, but not always, lighted, and display rectangular daymarks of various colors. [CGD 86-031, 52 FR 42640, Nov. 6, 1987; CGD 86-031, 52 FR 46351, Dec. 5, 1987]