EntityQ5632253· pop 8· linked from 28 articlesHMS EchoSign in to save2002 Echo-class survey shipConnectionsMalaysia Airlines Flight 370Conceptsurvey vesselEntityEcho-class survey shipEntityUnited KingdomCountryHong KongCitySeychellesCountryBlack SeaEntityVallettaEntityOdesaEntityCaribbeanEntityPerthEntityInternational Standard Book NumberEntityPersian GulfEntityVictoriaEntityBusanEntitysubmarineEntityPlymouthEntityDevonEntityaircraft carrierEntityknotEntityCategories2002 shipsEcho-class survey vessels (2002)IMO numbersMMSI NumberShips built in DevonVessels involved in the search for Malaysia Airlines Flight 370