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Romeo Class (Project 633 Class)

Diesel-electric submarineFielded 1957Pending verification
Naval ForcesRUS
Length 76.6 m
Identification silhouette. Not drawn to scale between entries.
Fact cardConfidence · Source
System
TypeDiesel-electric submarine
Date of introduction1957
ProliferationAt least 3 countries
Crew51Med[1]
Dimensions and weight
Length76.6 m251 ftMed[1]
Beam6.7 m22 ftMed[1]
Draft5.0 mMed[1]
Displacement (surface)1,319 tonsMed[1]
Displacement (submerged)1,712 tMed[1]
Propulsion and performance
PropulsionType 37DMed[1]
Engine power2,700 total bhp; 2 shaftsMed[1]
Protection
NBC Water Washdown SystemYesMed[1]
Electronic Warfare1 x MRP-11-14 series Stop Light interceptMed[1]
Armament
Torpedo Launcher: number of tubes6 forward 533-mm and 2 aft 533-mm torpedo tubes.Med[1]
MinesCan carry 28 mines in lieu of torpedoes.Med[1]
ArmamentSAET-60; Type 53-65Med[1]
Fire control
Radars and sonars1 x Snoop Plate radarMed[1]
Name1 x 1 Tamir-5L Active SonarMed[1]
Variants
Chinese Type 033 Romeo-class and its varUnder the 1950 Sino-Soviet Friendship and Mutual Assistance Treaty, the Soviets passed to China (and later to North Korea) the documentation necessary to produce Romeo submarines in 1963. The Chinese variant is known as the Type 033 Romeo.[1]
Weapons and payload options · 2Confidence · Source
SAET-60Heavy Weight Torpedo
Med[1]
Range
13 km8 mi · 7 nmi
Quantity
14 x SAET-60 Heavy Weight Torpedo
Type
Heavy Weight Torpedo
Guidance
Homing Passive acoustic homing
Speed
42 kt
Length
7.80 m
Type 53-65Torpedo
Med[1]
Range
18 km11 mi · 10 nmi
Quantity
14 x Type 53-65 Torpedo
Type
Torpedo
Guidance
Wake homing
Warhead
307.6 kilograms (678 lb) high explosive
Speed
83 km/h
Length
7.2 m
Summary

Romeo Class (Project 633 Class) Russian Diesel-Electric Submarine is a class of Soviet diesel-electric submarine, built between 1957 and 1961. A Chinese variant - Type 033 - was built in China from 1962 to 1984.

Draft entry. Values come from the cited public sources and are awaiting editor verification.
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Operators
Sources
  1. Romeo Class (Project 633 Class) Russian Diesel-Electric Submarine, 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