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Udaloy Class (Project 1155 Fregat Class)

Anti-submarine guided-missile destroyerFielded 1980Pending verification
Naval ForcesRUS
Udaloy Class (Project 1155 Fregat Class)
Photo: Photographer's Name: PH2 D. Beech · Public domain, Wikimedia Commons
Fact cardConfidence · Source
System
TypeAnti-submarine guided-missile destroyer
Date of introduction1980
ProliferationOrigin country only
Crew249Med[1]
Hulls delivered12Hulls listed in the source cardMed[1]
Dimensions and weight
Length163.5 m536 ftMed[1]
Beam19.3 m63 ftMed[1]
Draft7.50 mMed[1]
Displacement (standard)6,900 tonsMed[1]
Displacement (full load)8,400 tMed[1]
Propulsion and performance
PropulsionCOGAG M-9 plantMed[1]
Engine power60,000 total shpMed[1]
Range3,704 km2,302 mi · 2,000 nmi2,000 nm at 29 knots; 5,700 nm at 18 knotsMed[1]
Speed29.5 kt55 km/hMed[1]
Protection
Hull ArmorUDALOYs have a long forecastle with a prominent knuckle extending aft to abaft the second pair of stacks.Med[1]
CountermeasuresCountermeasures include the IR laser detector array and PK-2 ship-borne decoy launching system. The system includes decoy launchers, decoy rockets, control consoles and radar.Med[1]
NBC Water Washdown SystemYesMed[1]
EW Intercept2 x Start-2 (NATO: Bell Shroud) w/Wine Glass intercept.Med[1]
Armament
Anti-Submarine Weapon (ASW) System: torpedo tubes2 x quad 533-mm CLTA-53-1155 tubesMed[1]
Anti-Submarine Weapon (ASW) System: torpedo nameType 53 or Type 65 torpedoesMed[1]
Anti-Submarine Weapon (ASW) System: torpedo basic load30 x Type 53 or Type 65 torpedoesMed[1]
Anti-Submarine Weapon (ASW) System: rocket launcher2 x RBU-6000 rocket launchersMed[1]
Anti-Submarine Weapon (ASW) System: rocket nameRGB-12 RocketsMed[1]
Anti-Submarine Weapon (ASW) System: rocket basic load96 x RGB-12 RocketsMed[1]
Mine System: mine launcher2 x Rail LaunchersMed[1]
Aviation Facilities: facilitiesHelipad and hangarMed[1]
Aviation Facilities: helicopters2 × Ka-27 series helicoptersMed[1]
Armament2 x AK-100 100mm Naval Cannon; 4 x AK-630M 30mm CIWS; RPK-3 Metel; NATO: SS-N-14 Silex; 9M-330 Tor M1/Gauntlet missilesMed[1]
Fire control
3-D Air Search Radar1 x MR-760MA Fregat MA (NATO: Top Plate) 3D air search.Med[1]
Surface / Air Search Radar1 x MR-320M Topaz-V (NATO: Strut Pair) surface/air search.Med[1]
Navigation Radar3 x MR-212/201 Vaygach-U (NATO: Palm Frond) navigation.Med[1]
KT-100 VLS Launcher Fire Control System (FCS)2 x Drakon (NATO: Eye Bowl) fire control for KT-100 VLS Launcher.Med[1]
PU 4S-95 VLS system Fire Control System (FCS)1 x Cross Sword FCS.Med[1]
AK-100 Fire Control System (FCS)1 x MR-145 Lev (NATO: Kite Screech-B) fire control for AK-100 guns.Med[1]
AK-630M Fire Control System (FCS)2 x MR-123 Vympel (NATO: Bass Tilt) fire control forAK-630M.Med[1]
Sonar Suite1 x MGK-355 Polinom Suite.Med[1]
Bow-Mounted Active Low/Medium Frequency Sonar1 x Orion (NATO: Horse Jaw) bow-mounted active low/medium frequency.Med[1]
Low-Frequency Variable Depth Sonar1 x MGK-335 Platina (NATO: Horse Tail) low-frequency variable depth.Med[1]
Variants
UdaloyCommissioned: 1980 Status: Decommissioned in 1997 Fleet: No longer in Service[1]
Vice-Admiral KulakovCommissioned: 1981 Status: Modernization completed in 2010. Fleet: Northern Fleet[1]
Marshal VasilyevskyCommissioned: 1983 Status: Decommissioned Fleet: No Longer in Service[1]
Admiral ZakharovCommissioned: 1983 Status: Caught fire in 1992 and scrapped Fleet: No Longer in Service[1]
Admiral SpiridonovCommissioned: 1984 Status: Decommissioned in 2001 Fleet: No Longer in Service[1]
Admiral TributsCommissioned: 1985 Status: Active Fleet: Pacific Fleet[1]
Marshal ShaposhnikovCommissioned: 1985 Status: Active Fleet: Pacific Fleet[1]
SeveromorskCommissioned: 1987 Status: Active Fleet: Northern Fleet[1]
Weapons and payload options · 4Confidence · Source
2 x AK-100 100mm Naval CannonNaval Cannon
Med[1]
Type
Naval Cannon
Caliber
100 mm
Rate of fire
50 to 60 rounds per minute
4 x AK-630M 30mm CIWSClose-In Weapon System (CIWS)
Med[1]
Range
5 km3 mi · 3 nmi
Type
Close-In Weapon System (CIWS)
Caliber
30 mm
Rate of fire
4,000–5,000 rounds/min
RPK-3 Metel; NATO: SS-N-14 SilexAnt-Submarine Missile
Med[1]
Range
56 km35 mi · 30 nmi
Quantity
8x RPK-3 Metel (SS-N-14 Silex)
Type
Ant-Submarine Missile
Guidance
command radio and inertial; acoustic terminal homing; KARA and KRESTA II classes have Head Lights D/F/G/H-band fire-cont
Warhead
conventional high-explosive (ASW homing torpedo) or nuclear depth bomb
Speed
Mach 0.95 at 750 m
Launcher
2 x quadruple KT-100 VLS launchers
Length
7.2 m
9M-330 Tor M1/Gauntlet missilesSurface-to-Air Missile (SAM)
Med[1]
Range
12 km7 mi · 6 nmi
Quantity
8 x 9M-330 Tor M1/Gauntlet missiles
Type
Surface-to-Air Missile (SAM)
Warhead
Conventional high-explosive
Launcher
8 8-round PU 4S-95 VLS system launcher
Summary

The Udaloy class, Russian designations Project 1155 Fregat and Project 11551 Fregat-M (Russian: Фрегат, 'Fregat' meaning Frigate), are a series of anti-submarine guided-missile destroyers built for the Soviet Navy, seven of which are currently in service with the Russian Navy.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Sources
  1. Udaloy Class (Project 1155 Fregat Class) Russian Anti-Submarine Guided-Missile Destroyer, U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)
    Published/updated 2026-03-20 · Tier 1 · checked 2026-10-10
Change log
  • 2026-10-10 Entry created from the Worldwide Equipment Guide (ODIN), bulk import
  • 2026-10-10 Added photo (Public domain)