BIO Hesperides (A-33), is a Spanish polar research vessel. She was built in 1990, by Bazán Shipyards of Cartagena (Spain). Hesperides is used to service the research bases in Antarctica as well as various research voyages.Hesperides is classified by Lloyd's Register of Shipping with ice class 1C. She can move through up to 0.5 metres (1 ft 8 in) of ice at 5 knots (9.3 km/h; 5.8 mph). Her propulsion system uses a computer-controlled variable-pitch propeller and stern and bow thrusters.