[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR173.001] [Page 158] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 173--SPECIAL RULES PERTAINING TO VESSEL USE--Table of Contents Subpart A--General Sec. 173.001 Applicability. Each vessel that is engaged in one of the following activities must comply with the applicable provisions of this part: (a) Lifting. (b) Training (schoolship). (c) Oceanographic research. (d) Towing.