[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: 46CFR45.71] [Page 81] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 45_GREAT LAKES LOAD LINES--Table of Contents Subpart C_Freeboards Sec. 45.71 Midsummer freeboard. The minimum midsummer freeboard (fms) in inches is obtained by the formula: fms=f(s)-0.3Ts where: f(s)=summer freeboard in inches Ts=distance in feet between top of keel and the summer load line.