The Chilean Navy is to upgrade the bow-mounted medium frequency sonar fitted to its three ex-UK Royal Navy (RN) Type 23 frigates to the Sonar 2150 standard as part of a wider modernisation programme, military sources in Santiago have told Jane's.
Chile will also buy a third Sonar 2087 active/passive variable depth low frequency towed sonar, allowing all three Type 23s to receive the system.
Almirante Cochrane (ex-HMS Norfolk ), Almirante Condell (ex-HMS Marlborough ), and Almirante Lynch (ex-HMS Grafton ) were recommissioned into the Chilean Navy between November 2006 and May 2008 following their acquisition from the United Kingdom.
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