(a) The operator must service launching appliances for lifeboats and rescue boats at intervals recommended in the manufacturer's instructions under § 150.502(a), or according to the deepwater port's planned maintenance program under § 150.502(b).
(b) The operator must thoroughly examine launching appliances for lifeboats and rescue boats at intervals of not more than 5 years. Upon completion of the examination, the operator must subject the winch brakes of the launching appliance to a dynamic test.