[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR108.717] [Page 158] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 108_DESIGN AND EQUIPMENT--Table of Contents Subpart H_Miscellaneous Equipment Sec. 108.717 Radar. Each self-propelled unit of 1,600 gross tons and over in ocean or coastwise service must have-- (a) A marine radar system for surface navigation; and (b) Facilities on the bridge for plotting radar readings.