OVERVIEW: The MGK-607 Liman aka CLUSTER LANCE fixed, passive bottom array sonar system designed for surveillance of surface and underwater targets.  

DETAILS:   The MGK-607 provides hydroacoustic detection, classification, identification and tracking and surveillance of underwater and surface vessels.  

NOTES:  IOC: 1968 

SOURCES: Rosoboronexport. "Naval Systems Export Catalogue." Last modified 2003. https://www.military-discussion.com/files/navy.pdf; "China Ship Upgrades Enable Underwater Surveillance." SIGNAL Magazine. Last modified January 16, 2015. https://www.afcea.org/content/china-ship-upgrades-enable-underwater-surveillance ; 
Pike, John. "MGK-608E Stationary Passive Sonar Complex." GlobalSecurity.org. Last modified April 7, 2020. https://www.globalsecurity.org/military/world/russia/mgk-608e.htm. 