This guide covers those symbols to be used to identify the location and operation of lifesaving equipment related to evacuation of personnel in the marine environment. The symbols depicted should be used whenever graphic representation could assist personnel in locating their emergency stations and equipment and in the operation of such equipment. Posters or signs depicting these symbols should be placed in conspicuous locations in the vicinity of survival craft, their launching controls, or other lifesaving equipment. The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.