FORCETALLY
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At a glance
Gotland-class submarinelarger figure on 3 of 3
Sang-O-class submarinelarger figure on 0 of 3
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single source60.4 m (198 ft 2 in)[source]
Length
Single sourceConfiguration
| Specification | Gotland-class submarine | Sang-O-class submarine |
|---|---|---|
| Builders | Kockums[source] | Bong Dao Bo Shipyards, Singpo[source] |
| Operators | Swedish Navy[source] | Korean People's Navy[source] |
| Preceded by | Västergötland class[source] | Yugo class[source] |
| Succeeded by | Blekinge class[source] | Sinpo class |
34 m (111 ft 7 in)[source]
Maximum; Surfaced
Single sourceMaximum; on AIP
Single sourceMaximum; Submerged on batteries
Single sourceSurfaced: 11 knots (20 km/h) Submerged: 20 knots (37 km/h) on batteries; 5 knots (9.3 km/h) on AIP[source]
Maximum; Surfaced
Single sourceMaximum; Submerged
Single sourceRange
Single source1,500 nmi (2,800 km; 1,700 mi)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Built | 1992–1996[source] | — |
|---|
| In commission | 1996–present[source] | 1991[source] |
|---|
| Planned | — |
|---|
| Completed | 41+[source] |
|---|
| Active | 40 (February 2021)[source] |
|---|
| Type | Submarine[source] | Coastal submarine[source] |
|---|
| Propulsion | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] | Diesel-electric: 1 small diesel, 1 electric motor, 1 shaft[source] |
|---|
| Sensors & processing systems | CSU 90-2 integrated sonar sensor suite[source] | Radar Civilian Furuno I-band radar Passive RWR/ESM/SIGINT Golf Ball radar Snoop Plate radar Sonar Trout Cheek sonar[source] |
|---|
| Armament | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] | 4 × 533 mm (21 in) torpedo tubes fitted with Russian 53-65KE torpedoes Capable of minelaying[source] |
|---|
| Country of origin | Sweden[source] | North Korea[source] |
|---|
| Subclasses | — | Attack version, infiltration/reconnaissance version[source] |
|---|
| Lost | — | 1 captured by South Korea[source] |
|---|
| Preserved | — |
|---|
| Test depth | — | 150 m (490 ft), capable of bottoming[source] |
|---|
| Capacity | — | 0 (10/11 in recce version)[source] |
|---|
| Notes | — | Fitted with a snorkel[source] |
|---|
7.5 knots (13.9 km/h; 8.6 mph) surfaced 9 knots (17 km/h; 10 mph) submerged[source]