As of 2014, the boats are made available for export.[1]
IPS-16 boats were purchased from North Korea in the early 2000s. The first six were reportedly delivered to Iran on 8 December 2002, aboard freighter Iran Meead. Iran then reverse engineered the boat and has been able to produce it domestically.
The ships have a standard displacement of 14t. The class design is 17m (56feet) long, would have a beam of 3.75m (12.3feet) and a draft of 0.7m (02.3feet). It uses one surface piercing propeller, powered by two diesel engines. This system was designed to provide 2400hp for a top speed of 52kn.
Zoljenah-class boats are equipped with a 12.7mm machine guns, but their primary armament is two single 324mm torpedo tubes.[2]