Tarlan-class speedboatTarlan is a class of fast torpedo boat operated by the Navy of the Islamic Revolutionary Guard Corps of Iran. A modified version of this class has been referred to as Dalaam.HistoryThe class is manufactured by Iran, and was first reported in 2005.DesignDimensions and machineryThe ships have a standard displacement of. The class design is long, would have a beam of and a draft of. It uses two surface piercing propellers, powered by two diesel engines. This system was designed to provide for a top speed of.Structure and armamentThe vessel's hull is made of aluminum, and is of catamaran type. It has a 1.5 high pedestal, which may be capable of supporting an anti-armor guided weapon. Tarlan boats can fire high-speed rocket torpedoes.