The Iranian media reported that Fateh class subs can operate more than 200 meters (660 ft) below the sea surface for nearly five weeks.

In September 2013, the Iranian Navy announced that the first sub of this class would be launched by the end of the current Iranian year (in March 2014),[3] according to satellite imagery the first sub of the class was launched in 2013 and a second one is under construction at the Bandar Anzali Naval Base on the Caspian Sea.

[4] In 2019 the Islamic Republic News Agency reported that the Fateh had joined Iran's fleet after final tests, in a ceremony attended by Iranian president Hassan Rouhani.

It reported that the Fateh is "equipped with sonar, electric drive, combined battle management, surface-to-surface guided missile guidance, torpedo guidance, electronic and telecommunication warfare, secure and integrated telecommunication systems and dozens of state-of-the-art modern systems.

Iran claims that Fateh detected the American nuclear-powered submarine USS Florida cruising stealthily in the Strait of Hormuz on April 20, 2023 and forced it to surface and correct its course.