HM Coastguard's ETV (emergency towing vessel) the Ievoli Black During 2022, the vessel is displaying a special banner to mark HM Coastguard's 200th anniversary . Its primary role is to prevent marine pollution by coming to the aid of ships that have broken down or are just unable to cope with the weather conditions. It can also perform search and rescue operations, and support vessels suffering onboard emergencies such as fire, flood or a lack of electrical power.