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Romeo vs Sang-O

Romeo vs Sang-O at a glance — displacement 1,475 vs 275 tons, length 76 vs 34 m, speed 15 vs 7.5 knots, crew 54 vs 15.

Romeo submarine side profile drawing
🇷🇺 RomeoFull specs
Specifications
Romeo Sang-O
Origin 🇷🇺 Ex-USSR 🇰🇵 North Korea
Category Submarine Submarine
Type Diesel-electric submarine Coastal submarine
Manufacturer Krasnoye Sormovo Shipyard Bong Dao Bo Shipyard, Sinpo
Year introduced 1957 1991
Number built 133 units 41 units
Estimated unit price NA NA
Displacement 1,475 tons 275 tons
Maximum speed 15.0 knots 7.5 knots
Range 9,000 nm at 9 knots 1,500 nm
Length 76.6 m 34.0 m
Beam 6.7 m 3.8 m
Crew 54 15
Max depth NA 150 m
Performance Radar Chart
Armament & Systems
Romeo Sang-O
Armament
  • 8 × 533 mm (21 in) torpedo tubes (six bow, two stern)
  • 14 × 533 mm (21 in) anti-ship or anti-submarine torpedoes (including Yu-4 and Yu-1)
  • 28 mines
  • 4 × 533 mm torpedo tubes with 53-65KE torpedoes
  • Minelaying capability (up to 16 mines)
Propulsion Two diesels delivering 2.94 MW (4000 shp) with two electric motors driving two shafts. Diesel-electric, 1 diesel engine, 1 electric motor, 1 shaft
Explore further
Romeo-class side profile drawing Romeo-class Specs, operators & history →
Largest operators · in service
Sang-O-class Specs, operators & history →
Largest operators · in service
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Frequently Asked Questions

Which has greater displacement, the Romeo-class or Sang-O-class?
The Romeo-class has greater displacement at 1,475 tons compared to the Sang-O-class's 275 tons.
Which is faster, the Romeo-class or Sang-O-class?
The Romeo-class is faster with a maximum speed of 15 knots compared to the Sang-O-class's 7 knots.
Which has longer range, the Romeo-class or Sang-O-class?
The Romeo-class has a longer range at 9,000 nautical miles compared to the Sang-O-class's 1,500 nautical miles.
Which is longer, the Romeo-class or Sang-O-class?
The Romeo-class is longer at 76.6 meters compared to the Sang-O-class's 34.0 meters.
How many crew members do the Romeo-class and Sang-O-class have?
The Romeo-class has a larger crew complement of 54 compared to the Sang-O-class's 15 crew members.
Which has been built in greater numbers, the Romeo-class or Sang-O-class?
The Romeo-class has been built in greater numbers with 133 vessels compared to 41 vessels of the Sang-O-class.