[Code of Federal Regulations] [Title 46, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR131.570] [Page 459] TITLE 46_SHIPPING (This book contains parts 90 to 139) CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 131_OPERATIONS--Table of Contents Subpart E_Tests, Drills, and Inspections Sec. 131.570 Quarterly inspections. (a) Each apparatus that controls a lifeboat winch, including motor controllers, emergency switches, master switches, and limit switches, must be inspected once each 3 months. (b) The inspection must involve the removal of drain plugs and the opening of drain valves to ensure that enclosures are free of water. (c) The date of the inspection required by this section and the condition of the equipment must be entered in the vessel's logbook.