Según encabezado Jane's:
Chile to buy British sonar system for frigates
The Chilean Navy is procuring a number of Sonar 2087 towed arrays from Thales Underwater Systems to equip its multipurpose frigates, sources in Santiago have confirmed to Jane's . The Sonar 2087 system is one of the most advanced, low-frequency ac...
http://jdw.janes.com/public/jdw/index.shtml
http://portal.eqentia.com/ad/permalink/77331622-JDW-29-Jul-2011-Chile-to-buy-British-sonar-system-for-frigates
http://www.armedforces.co.uk/projects/raq3f8d4e1b8587c