Section 117.25 - Additional requirements(a) Each item of lifesaving equipment carried on board a vessel but not required under this part, must be of an approved type meeting the specifications for lifesaving equipment in subchapter Q of this chapter, or other standard specified by the Commandant.(b) The cognizant Officer in Charge, Marine Inspection (OCMI) may require a vessel to carry specialized or additional lifesaving equipment if: (1) The OCMI determines the conditions of the voyage render the requirements of this part inadequate; or(2) The vessel is operated in Arctic, Antarctic, or other severe conditions not covered under this part.