[Code of Federal Regulations] [Title 46, Volume 2] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR44.05-5] [Page 67-68] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 44_SPECIAL SERVICE LIMITED DOMESTIC VOYAGES--Table of Contents Subpart B_Rules for Assigning Special Service Load Lines Sec. 44.05-5 Definitions. (a) A steam collier is a vessel mechanically propelled, and specially designed for the carriage of coal in bulk. [[Page 68]] (b) A towed barge is a vessel without sufficient means of self- propulsion and which requires to be towed. (c) A self-propelled barge is a vessel mechanically propelled of the type specially designed for use in limited coastwise and Great Lakes service and capable of transiting interconnecting canals.