HSV (High Speed Vessel) 고속쌍동선 HSV-X1 Laid down: 19 January 1998 Launched: 7 November 1998 Acquired: 21 November 1998 Struck: 15 March 2004 Status: General characteristics Displacement: 1,668 tons full, 940 tons standard Length: 326 ft (99.3 m) overall Beam: 87 ft (26.5 m) Draught: 13 ft (3.9 m) Propulsion: diesel-powered, water jet catamaran Speed: 40+ knots (74+ km/..