MK13-class missile boatMK13 is a class of fast patrol craft armed with both anti-ship missile and torpedo operated by the Navy of the Islamic Revolutionary Guard Corps.HistoryMK13 ships are probably built in China, and are reportedly in service since 2006.DesignDimensions and machineryThe ships have a displacement of at full load. The class design is long, would have a beam of and a draft of. It uses two Trimax 3200 surface drives, powered by two Isotta 1312T2 MSD diesel engines. This system was designed to provide for a top speed of. Its cruising radius is at a speed of 50 knots.StructureThe monohull body of the MK13-class is made of aluminium.ArmamentThe ships are equipped with two 324mm torpedo tubes, as well as two anti-ship missile launchers with Nasr. The latter relies on internal guidance and terminal homing to at 0.8 Mach.