 Electronic equipment includes the DA 08/ AWS-9 surface/air surveillance radar, the WM 25/ AWS 6 tracking radar, the TM 1226/ 2690BT ARPA navigation radar, and STACOS TU/FD Tactical Command and Control System.The Turkish frigates are also equipped with WM25/ COSYS DDWCS Fire Control System, a DE1160 sonar, and Link 11/14 VESTA CDL2, MCS2002 communication systems.The , a development of the MEKO 200 PN German concept, are major surface ships of the Portuguese Navy.