North Korea
Operators
1991
Commissioned
North Korea
National Origin
15
Complement
Sang-O-class
Hull Class
42
Number-in-Class
At least 40 ships believed to have been constructed since 1991.
Ships-in-Class
Submerged Attack
Traveling under the surface to search, track, and / or engage or reconnoiter areas.
Offshore Operation
Activities conducted near shorelines in support of allied activities.
Maritime Patrol
Active patroling of vital waterways and maritime areas; can also serve as local deterrence against airborne and seaborne threats.
Fleet Support
Serving in support (either firepower or material) of the main surface fleet in Blue Water environments.
111.5 feet
(33.99 meters)
Length
12.5 feet
(3.79 meters)
Beam
275
tons
Displacement
370
tons
Displacement (Submerged)
1 x Diesel-electric unit driving power to 1 x Shaft.
Propulsion
7.5 knots
(8.6 mph)
Surface Speed
9.0 knots
(10.4 mph)
Submerged Speed
1,512 nm
(1,740 miles | 2,800 km)
Range
1 knot = 1.15 mph; 1 nm = 1.15 mile; 1 nm = 1.85 km
2 x 533mm torpedo tubes (53-65KE torpedoes)