[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of Octobery 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR3.05-3] [Page 38] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY PART 3_DESIGNATION OF OCEANOGRAPHIC RESEARCH VESSELS--Table of Contents Subpart 3.05_Definition of Terms Used in This Part Sec. 3.05-3 Oceanographic research vessel. ``An oceanographic research vessel is a vessel which the U.S. Coast Guard finds is employed exclusively in one or more of the following: (a) Oceanographic instruction; (b) Limnologic instruction; (c) Oceanographic research; or, (d) Limnologic research.''