33 CFR §150.514

1. (a)Strip, clean, thoroughly inspect, and, if needed, repair each lifeboat, rescue boat, and liferaft. At that time, the operator must also empty, clean, and refill each fuel tank with fresh fuel;
2. (b)Thoroughly inspect and, if needed, repair each davit, winch, fall, and other launching device;
3. (c)Check all lifesaving equipment and replace any item that is marked with an expiration date that has passed;
4. (d)Check all lifesaving equipment batteries and replace any battery that is marked with an expiration date that has passed; and
5. (e)Replace any battery that is not marked with an expiration date if that battery is used in an item of lifesaving equipment, except for a storage battery used in a lifeboat or rescue boat.
6. (f)The requirements in this section do not relieve the person in charge of the requirement to keep the equipment ready for immediate use.