TANKERS/SUEZMAX
STENA ALEXITA 127,466-dwt Crude Oil Tanker
STENA ALEXITA, a 127,466-dwt offshore loading twin-screw shuttle tanker was delivered in August 1998 to Stena Ugland Shuttle Tanker Ltd. by Hashihama Shipbuilding Co., Ltd./Tsuneishi Shipbuilding Co., Ltd. This twin-skeg type shuttle tanker was designed for the first time in Japan, for offshore loading crude oil via a bow loading system at the North Sea oil field and for shuttle transport.
During offshore loading, the vessel is able to maintain position by dynamic positioning system (DYNPOS AUTR and Equipment Class II) emphasizing safety aspects through redundancy, which consists of two (2) controllable pitch propellers driven by two (2) main engines, two (2) special rudders with flap, two (2) bow thrusters and control and position reference systems. Additionally, two (2) stern thrusters, one (1) on each skeg, are arranged and used as a back up in the event of failure of one of two aft lateral thrust systems.
Hull structures are strengthened, compared with conventional tankers, in consideration of severe sea weather.
