[Code of Federal Regulations] [Title 46, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR3.05-1] [Page 39] 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. 3.05-1 Letter of designation. A letter issued by an Officer in Charge, Marine Inspection, designating an uninspected vessel as an oceanographic research vessel.