Sound Sweep Search : An attraction search in which all searchers call out, whistle or make some other sound at a prescribed time and then are all quiet and listening for an answer during a second prescribed time
United States Search and Rescue Task Force, Search & Rescue and Disaster Glossary and Acronyms, Pennsylvania, USA 2014. http://www.ussartf.org/glossary_acronyms.htm, (Dzstr/SAR - Amer) {803}