Forward-looking sonar systems are designed for surface ship navigation and obstacle avoidance. These systems are mounted on the bow of the vessel. Although these sonar systems are primarily used in shallow water navigation, they may also be useful in reducing the likelihood of hazardous disasters such oil spills, reef groundings, and whale strikes.
The FarSounder sonar detects and displays (in three dimensions) the seafloor and any in-water obstacles at up to 300 meters (1000 feet) in front of the vessel. Multiple angles looking forward from the vessel allow areas just under the surface to be detectable in all but the highest of sea states. With a single ping, a three-dimensional (3-D) depth map is generated within a vessel’s 90° horizontal field of view, and the range, horizontal angle, and depth of targets is measured.
The components of the system include a transducer, power module, and graphical user interface. The transducer is mounted to the bow of the vessel. Data are displayed in 3-D on a computer screen inside the vessel.
- "3D Forward Looking Sonar for Obstacle Avoidance- FarSounder." (Link)