Automatic Fire Extinguishing System 1 : Any system that is designed and installed to detect a fire and subsequently discharge an extinguishing agent without human activation or direction
National Park Service, US Department of the Interior, Fire and Aviation Management, Terms and Definitions, National Interagency Fire Center NIFC, Boise, Idaho, USA 2010. http://www.nps.gov/nifc/fire/fir_str_termsdefiniti ons.cfm?letter=A, (Fr and Avn Mgt - Amer) {147}