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The ''Echo''-class is a class of multi-purpose hydrographic survey ships in commission with the Royal Navy. The ships are primarily tasked with conducting survey work in support of submarine and amphibious operations, however, the class also has a secondary role in mine countermeasures. The two vessels of the class are the most recent additions to the Royal Navy's Hydrographic Squadron. Each ship displaces approximately 3,700 tonnes, and is equipped with a state of the art suite of equipment. ==Design== ''Echo'' and ''Enterprise'' are the first Royal Navy ships to be fitted with azimuth thrusters. Both azimuth thrusters and the bow thruster can be controlled through the integrated navigation system by a joystick providing high manoeuvrability. Complete control and monitoring for power generation and propulsion, together with all auxiliary plant systems, tank gauging and damage control functions is provided through the integrated platform management system (IPMS), accessible through workstations around the ship. The range of equipment carried includes the following:〔 *Multi beam echo sounder *Single beam echo sounder *Survey Planning and Processing Systems *Side-scan sonar *Oceanographic Probe and sensors *Undulating Oceanographic Profiler *Doppler Current Log *Sub-bottom Profiler *Bottom Sampling Equipment *Survey motor boat fitted with multi-beam sonar and sidescan sonar The vessels are armed. They carry a GAM-B01 20mm canon (a naval version of the Oerlikon 20 mm cannon), two Miniguns and four General Purpose Machine Guns〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Echo-class survey ship (2002)」の詳細全文を読む スポンサード リンク
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