HMS Echo ( H87 ) HMS " Echo " is the first of two multi - role hydrographic survey ships commissioned by the Royal Navy . With her sister ship , , they form the " Echo " class of survey vessels . She was built by Appledore Shipbuilders in Devon in 2002 and is the ninth Royal Navy vessel to carry the name . Design . " Echo " and " Enterprise " are the first Royal Navy ships to be fitted with azimuth thruster s . 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 . Role . " Echo " and her sister ship are designed to conduct survey operations in support of submarines or amphibious operations . She can provide almost real - time tailored environmental information , and also has a secondary role as a mine countermeasure tasking authority platform , for which she is capable of embarking a dedicated mine counter measures command team . Manning . " Echo " operates a lean - manned three - watch rotation system . The total ship ' s company is 72 , with two - thirds of the ship ' s company on board at any one time . The work cycle of 75 days on followed by 30 days off allows her sailors to take sufficient leave while the ship can remain away from her base port for extended periods , potentially for years at a time . Operational history . " Echo " was launched on 2 March 2002 and was named on 4 March by Lady Haddacks , wife of Vice Admiral Sir Paul Haddacks . She was accepted into service on 4 October 2002 and formally commissioned on 7 March 2003 . Persian Gulf deployment 2004 – 2005 . " Echo " deployed to the Persian Gulf to conduct survey operations in 2004 , returning to the UK in April 2005 . Far East deployment 2008 – 2012 . Exploiting her rotational manning system , " Echo " was deployed on a five - year mission to the Far East , conducting ocean survey and diplomatic visits . In August 2008 she visited Hong Kong , where her Commanding Officer laid a wreath at the Stanley Military Cemetery . In October of the same year she visited Busan for the Republic of Korea International Fleet Review . Other visits have been conducted to Bangladesh , Malaysia , Singapore , Brunei , and Indonesia . February 2012 saw " Echo " visit the Seychelles to take part in anti - piracy training with the Seychelles Coastguard . The visit included a stop in the capital Victoria . 16 August 2012 the ship returned to Devonport after almost a year and a half away . In this time she had been in the Middle and Far East , and had fired on a suspected Somali pirate vessel . Mediterranean deployment July 2013 . In July 2013 " Echo " was in the central Mediterranean surveying the approaches to the ports of Tripoli and Khoms on the coast of Libya to improve Admiralty chart s of the area . She was looking for wrecks that might be hazards to shipping . In 10 days she found the wrecks of one liner , two merchant ships , one landing craft , two fishing vessels , two barges and two large sunken pontoons . She also found at least half a dozen lost shipping containers . The landing craft is believed to be the Libyan Navy " Ibn Qis " , which was burnt out on exercise in 1978 .