46 CFR 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.
Title 46 published on 2013-10-01
no entries appear in the Federal Register after this date.