EPIRB 2 : Emergency Position Indicating Radio Beacon - The marine version of the "ELT". It will float and is manually activated or activated when submerged in the water
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}