FORCETALLY
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At a glance
Gotland-class submarinelarger figure on 2 of 2
Yono-class submarinelarger figure on 0 of 2
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 · source measurement 1
Single sourceConfiguration
| Specification | Gotland-class submarine | Yono-class submarine |
|---|---|---|
| Builders | Kockums[source] | Yukdaeso-ri Naval Shipyards[source] |
| Operators | Swedish Navy[source] | Korean People's Navy Islamic Republic of Iran Navy[source] |
| Preceded by | Västergötland class[source] | Yugo class[source] |
| Succeeded by | Blekinge class[source] | — |
Length · source measurement 2
Single sourceLength · source measurement 3
Single source20–22 m (65 ft 7 in – 72 ft 2 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 sourceSubmerged
Single sourceSurfaced
Single source550 nmi (1,020 km; 630 mi) surfaced 50 nmi (93 km; 58 mi) submerged[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] | 10[source] |
|---|
| Planned | — |
|---|
| Completed | 36[source] |
|---|
| Active | <36 (most in reserve)[source] |
|---|
| Type | Submarine[source] | Midget submarine[source] |
|---|
| Propulsion | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] | Single-shaft MTU diesel engine with electric drive[source] |
|---|
| Sensors & processing systems | CSU 90-2 integrated sonar sensor suite[source] | — |
|---|
| Armament | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] | 2 × 533 mm (21 in) torpedo tubes Mines[source] |
|---|
| Country of origin | Sweden[source] | — |
|---|
| Name | — | Yono class[source] |
|---|
| In service | — | 1965–present[source] |
|---|
| Building | — | 36[source] |
|---|
| National origin | — | South Korea[source] |
|---|
10–11 knots (19–20 km/h; 12–13 mph) surfaced 4–8 knots (7.4–14.8 km/h; 4.6–9.2 mph) submerged[source]