EA 640

Kongsberg Maritime EA 640 is a shipboard unit in the Navigation & Bridge Equipment group, classified in the source as Echo Sounder. It is normally installed on the bridge, bridge wings, mast or dedicated navigation equipment racks depending on the sensor or recorder type. Its primary duty is to provide navigation data, target information, environmental information or voyage recording required for safe bridge operations. In service it interfaces with GNSS, gyro, speed log, AIS, radar/ECDIS, microphones/cameras, bridge networks, power supplies and alarm systems depending on the equipment. Compared with neighboring entries in the same product family, this record is the exact Kongsberg Maritime EA 640 variant; the model designation should be retained unchanged when matching onboard documentation and spares. For exact limits, settings, test values and approved maintenance criteria, refer to the manufacturer documentation for the exact figure.