During the conversion of CN-235 platforms as Maritime Patrol/Surveillance aircraft, HAVELSAN provided Tactical Command System (TCS), Tactical Command and Control Information System (TCCIS), Ground Control Station, System Integration Test Bench, Mission System Tools and Integrated Logistic Support.


Tactical Command System is a mission Computer software used onboard the aircraft. This software performs the following;
• Data fusion from different sensors,
• Command and control operations using available information,
• Information exchange with the ground Station.