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Home-made Mowj-Class frigate Dena officially joined the Iranian Navy


According to information published on Twitter, June 13, 2021, Moudge or Mowj-class frigate "Dena" has officially joined the Iranian Navy. Currently, three frigates of this class are in service with the Iranian navy and three more ships are under construction.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Mowj-class frigate "Dena" 75 has officially joined the Iranian Navy. (Picture source Twitter)


It was reported in 2001 that the first Mowj-class frigate first was under construction. Warship International wrote in 2008 that four ships of this class were under construction including the Mowj (376) launched on 22 February 2007, Jamaran (377) launched on 28 November 2007, as well as Azarakhsh (378) and Tondar (379).

Citing the Naval Technology website, the design of the Mowj-Class frigate is based on the Iranian-made Alvand-Class (Vosper Mk 5) light patrol frigates. The ship incorporates anti-submarine warfare and other weapon systems able to counter surface and air threats. She has been designed to conduct a wide range of missions, including surveillance in national territorial waters, early warning, anti-submarine warfare, surface-to-surface and surface-to-air warfare and amphibious operations.

The Mowj-Class frigate has a length of 95 m, a beam of 11.1 m, a draught of 3.25 m, and a displacement of 1,500 tones. She is powered by two 10,000 hp (7,500 kW) engines and four 740 hp (550 kW) diesel generators. The ship can reach a top speed of 30 knots (55,6 km/h). She has a crew of 140 people.

According to Naval Technology, the Mowj-Class frigate is fitted with a sensor suite that includes a Plessey AWS-1 long-range air/surface search and tracking radar, and two navigation radars. Plessey AWS-1 is fitted on the roof of forward of the funnel, while navigation radars are installed on the main mast. Jamaran is also equipped with fire control radar, which is identical to the one on the Alvand Class frigate.

The Mowj-Class frigate is armed with four Noor or Qader anti-ship missiles, one 76 mm Fajr-27 naval gun, one 40 mm Fath-40 AAA or 1x 30mm Kamand CIWS (Close-In Weapon System), 16 tube chaff launchers, two Oerlikon 20mm automatic cannons, four Mehrab SAM (Surface-to-Air Missile), a naval version of the Sayyad-2, two triple 324 mm torpedoes and two 12.7 mm heavy machine guns.

The Jamaran has a flight deck and a hangar able to accommodates a Bell 214 anti-submarine warfare (ASW) helicopter. This helicopter is equipped with a low-frequency variable depth sonar and radars to track the submarines at long range.