LNK-AL15 survivor locator light is a reserve battery-powered emergency light to be installed on the individual and multiple flotation devices in order to indicate the location of survivors in water caused by aviation accidents. When the survivor locator light contacts water it will be automatic activated and keep outputting the steady white light more than 1cd light intensity during at least 8 hours which can uninterruptedly indicate the survivor’s location to increase the success rate of rescue.