THE PROJECT COVERED BY THIS PROPOSAL AIMS TO DEVELOP A TECHNOLOGICAL SOUND SYSTEM DEMONSTRATOR TO BE USED FOR THE PROTECTION OF SHIPS AT THE BOTTOM OR OFF-SHORE PLATFORMS AGAINST TERRORIST ATTACKS CARRIED OUT BY POSSIBLE DIVERS/OTHER POSSIBLE UNDERWATER THREATS. THE PROPOSED TECHNOLOGICAL SOLUTION IS BASED ON THE DESIGN AND IMPLEMENTATION OF A SYSTEM OF ACTIVE SONAR ANTENNAS MANAGED BY A SINGLE CENTRALISED CONSOLE FOR THREAT MANAGEMENT AND ALERTS