South Korea
Operators
2020
Commissioned
South Korea
National Origin
In Trials
Project Status
50
Complement
Dosan Ahn Chang-ho-class
Hull Class
4
Number-in-Class
ROKS Dosan Ahn Chang-ho (SS-083); ROKS Son Byong-hi (SS-085); ROKS Yo Dong-nyeong (SS-086); ROKS Lee Bong-chang (SS-087)
Ships-in-Class
Submerged Attack
Traveling under the surface to search, track, and / or engage or reconnoiter areas.
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.
273.9 feet
(83.48 meters)
Length
31.5 feet
(9.60 meters)
Beam
25.0 feet
(7.62 meters)
Draught
Diesel-electric low-noise powerplant arrangement driving single shaft at stern; 4 x Bumhan Industry PH1 PEM fuel cells developing 200 horsepower each.
Propulsion
12.0 knots
(13.8 mph)
Surface Speed
20.0 knots
(23.0 mph)
Submerged Speed
10,002 nm
(11,510 miles | 18,524 km)
Range
1 knot = 1.15 mph; 1 nm = 1.15 mile; 1 nm = 1.85 km
6 x 533mm torpedo tubes (supporting "Tiger Shark" torpedoes and "Harpoon" anti-ship missiles).
1 x 6-cell Vertical Launching System (VLS) housing cruise / ballistic land-attack missiles.