The Wave-class tankers are a class of fast fleet tankers in service with the Royal Fleet Auxiliary. The class is tasked with providing fuel, food, fresh water, ammunition and other supplies to Royal Navy vessels around the world. There are two ships in the class, and. The ships were ordered to replace the aging s and. The two vessels have seen service in a number of locations, including anti-drug and hurricane relief operations in the Caribbean Sea, anti-piracy activities around the Horn of Africa and deterrent patrols in the South Atlantic.
The ships have the capability to supply fuel and other liquid cargo to vessels using replenishment rigs on port and starboard beams and through a Hudson reel-type stern rig. When providing support for amphibious operations, the ships are also able to deliver fuel to dracones positioned alongside. The equipment load includes cranes, steering and rudder gear, thyristor-controlled winch/windlasses and double drum mooring winches. Up to of liquids and of general solids can be carried. In addition, reverse-osmosis equipment is fitted enabling the production of of drinkable water per day. The vessels were designed with double hulls to prevent or reduce environmental pollution from oil spills if damage is sustained to the outer hull. The ships can operate a Merlin HM1 helicopter, or other helicopters of similar size, from a hangar and flight deck at the stern. On deployments to Atlantic Patrol Task they have typically embarked a Royal Navy Lynx or a United States Coast Guard helicopter. The vessels have a standard crew of 80 Royal Fleet Auxiliary personnel with provision for a further 22 Royal Navy personnel to conduct helicopter and weapons systems operations. They carry a full medical team and sick bay and are capable of distributing 2,000 emergency relief packages in times of crisis.
Construction programme
Future
In June 2018 it was reported by the Brazilian press that the UK MoD had offered to sell one or both of the Wave-class tankers to Brazil. As early as 2010, BAE Systems had proposed providing Brazil with a variant of the Wave-class, tailored to meet the specific aviation, stores and personnel requirements of the Brazilian Navy. As of June 2020, Wave Ruler was reported to be in extended readiness.