Iranian Navy has inducted new 600-ton domestically produced Fateh (Conqueror) diesel-electric submarine which is far more capable then the Ghadir class submarines.
The Fateh class submarine has a displacement of 527-ton when surfaced and 600-ton when submerged. This submarine has a operational diving depth is 200 meters while its maximum diving depth is 250 meters. The Fateh submarine has range of over 5000 kilometers when snorting at slow speed.
The Fateh submarine has a top speed of 11 knots (20 km/h) when surfaced and 14 knots (26 km/h) when the submarine is submerged. Submarine has sea endurance of over 35 days.
Iranian Fateh class submarine are fitted with 4 × 533 mm torpedo tubes and can carry upto 12 torpedoes ( 4 in the tubes and another 8 on the racks as reloads) or 24 naval mines for for anti-submarine (ASW) and anti-surface ship (ASuW) warfare. Much larger 1,000-ton Bethat class submarine is still underdevelopment.