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IRIS Deylaman (78)

Guided-Missile Frigate Warship

Iran | 2023

"IRIS Daylaman 78 joined the inventory of the Republic of Iran Navy in November of 2023."

Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for IRIS Deylaman (78).
2 x Engines developing 10,000 horsepower with 4 x Diesel generators developing 740 horsepower each driving 2 x shafts astern.
30.0 kts
34.5 mph
Surface Speed
The bow-to-stern, port-to-starboard physical qualities of IRIS Deylaman (78).
311.7 ft
95.01 meters
O/A Length
36.5 ft
11.13 meters
10.7 ft
3.26 meters
Available supported armament and special-mission equipment featured in the design of IRIS Deylaman (78).
1 x 76mm Fajr-27 turreted deck gun.
4 x Mehrab/Sayyad-3 Surface-to-Air Missile (SAM) launchers.
4 or 8 x Noor/Qader anti-ship missile launchers.
1 x 30mm or 40mm autocannon.
2 x 20mm Oerlikon autocannons.
2 x 12.7mm Heavy Machine Guns (HMGs).
Air Arm
Available supported fixed-wing / rotary-wing aircraft featured in the design of IRIS Deylaman (78).
1 x Medium-lift navalized helicopter supported from the hangar / helipad deck area over the stern.
Ships-in-Class (7)
Notable series variants as part of the IRIS Deylaman (78) family line as relating to the Moudge-class group.
IRIS Jamaran (76); IRIS Damavand (77); IRIS Sahand (74); IRIS Dena (75); IRIS Shirza (---); IRIS Taftan (--); IRIS Deylaman (Damavand-2) (78)

Authored By: Staff Writer | Last Edited: 11/29/2023 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

IRIS Deylaman (78) is the latest guided-missile frigate addition to the inventory of the modern Islamic Republic of Iran Navy (IRIN). The 1,500-ton vessel is part of the growing, locally-sourced Moudge-class currently (2023) encompassing sister-ships Jamaran, Sahand, and Dena. Seven ships-in-series are planned for the group which has been under active contruction since 2001. Commissioned service of the lot began in 2010 to much state-sponsored fanfare.

Deylaman's keel was laid down in 2017. She was formally commissioned into IRIN service on November 27th, 2023.

NOTE: IRIS Deylaman directly succeeds IRIS Damavand which was lost during a storm in the Caspian Sea during January 2018.

The vessel takes on a modern appearance with a noticeable reduction of exterior protrusions to promote a stealthier profile. The forward superstructure is stepped and seats the bridge section. The main mast works are exposed and of a lattice-type design. The smoke funnels are of a low-profile design and positioned aft of midships. The second mast works is seated at midships proper. A turreted deck gun is seen at the forecastle with a hangar / helipad section added over the stern to serve a navalized rotorcraft for Over-the-Horizon (OtH) work.

Structural dimensions include a running length of 312 feet, a beam of 36.4 feet, and a draught down to 10.7 feet.

Internally, the operating crew numbers 140 men. The installed propulsion scheme involves a conventional arrangement encompassing four diesel generators of 740 horsepower output coupled with 2 x Engines offering 10,000 horsepower. This propels the ship to open-water speeds of 30 knots under ideal conditions. Twin 8-tube chaff launchers assist the Electronic Warfare (EW) suite and the radar fit is of an an "Asr" 3D PESA type.

The warship is armed through ballistic, missile, and torpedo measures. This includes a 76mm Fajr-27 series turreted deck gun backed by a single 30mm or 40mm autocannon and twin 20mm Oerlikon autocannons. A pair of 12.7mm Heavy Machine Guns (HMGs) serve in the extreme close-in defense role (interception / boarding actions). The vessel is outfitted with 4 x Mehrab Surface-to-Air Missiles (SAMs)a as well as Noor (or Qader) anti-ship missiles. Rounding out the armament suite are twin 324mm triple-torpedo tubes.

All told, with its broad weapons set and multi-mission design approach, the ship can search, track, and engage aerial, surface, and undersea threats.

Content ©MilitaryFactory.com; No Reproduction Permitted.
Global operator(s) of the IRIS Deylaman (78). Nations are displayed by flag, each linked to their respective national naval warfare listing.

Shipbuilder(s): Shahid Tamijidi / Bandar Anzali - Iran
National flag of Iran

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Image of the IRIS Deylaman (78)
Image from official Iran press release via X platform.

Going Further...
IRIS Deylaman (78) Guided-Missile Frigate Warship appears in the following collections:
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