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ForceTally · AI-generated illustration · Not a photograph · AI-generated · OpenAI output terms · Source ↗ · Modified
FORCETALLY
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At a glance
Blekinge-class submarinelarger figure on 4 of 4
Gotland-class submarinelarger figure on 0 of 4
Measured figures
Length
Single source66.1 m (216 ft 10 in)[source]
Length
Single sourceConfiguration
| Specification | Blekinge-class submarine | Gotland-class submarine |
|---|---|---|
| Name | Blekinge class[source] | — |
| Builders | Saab Kockums (Karlskrona shipyard)[source] | Kockums[source] |
| Operators | Future operators: Swedish Navy Polish Navy[source] | Swedish Navy[source] |
| Preceded by | Gotland class[source] | Västergötland class[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
60.4 m (198 ft 2 in)[source]
Submerged
Single sourceSurfaced
Single source1,925 tonnes (surfaced) 2,100 tonnes (submerged)[source]
Submerged
Single sourceSurfaced
Single sourceMaximum; on AIP
Single sourceMaximum; on diesel-electric propulsion
Single source6 kn (11 km/h) on AIP 20 km/h (12 mph) on diesel-electric propulsion[source]
Maximum; on AIP
Single sourceMaximum; Submerged on batteries
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by | Projekt A30[source] | Blekinge class[source] |
|---|
| Cost | SEK 25 billion (2025) for 2 units SEK 12.5 billion (2025) per unit US$ 1.31 billion (2025) per unit[source] | — |
|---|
| In service | Planned to enter service in 2031 / 2033[source] | — |
|---|
| Planned | Sweden : 2 Poland : 3[source] |
|---|
| Building | — |
|---|
| Completed |
|---|
| Type | Hunter-killer submarine ( ISR , seabed operations)[source] | Submarine[source] |
|---|
| Decks | — |
|---|
| Propulsion | 1 shaft with 1 propeller, driven by: Stirling engines (AIP) : 4 × Kockums MkV V4-275R Diesel engines (diesel-electric) 2 × engines[source] | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] |
|---|
| Endurance | 45 days (18 days underwater with AIP)[source] | — |
|---|
| Sensors & processing systems | Sonars : Atlas Elektronik (Sweden) Elac Sonar (Poland) Bow sonar Conform flank array sonar HF intercept sonar arrays Kongsberg SA9510S Mine Avoidance and Navigation Sonar EM2040 multibeam echo sounder, side-scan sonar, sub-bottom profiler and hydrographic echo sounders Masts : Periscope (Poland) Sagem Safran Series 30 optronic surveillance mast (Sweden and Poland) Drones (deported sensors): Saab LUUV (Larger uncrewed underwater vehicle)[source] | CSU 90-2 integrated sonar sensor suite[source] |
|---|
| Armament | Torpedoes : 4 × 533 mm (21 in) torpedo tubes , with Torped 62 steg 2 , or Torped 63 2 × 400 mm (16 in) torpedo tubes , with: Torped 47 (Saab SLWT) Naval mines (in development) Missiles JSM-SL (in development)[source] | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] |
|---|
| Notes | Multi-mission Portal used to launch special forces and larger underwater drones[source] | — |
|---|
| Country of origin | Sweden[source] | Sweden[source] |
|---|
| Built | — | 1992–1996[source] |
|---|
| In commission | — | 1996–present[source] |
|---|
| Active | — |
|---|
Surfaced: 1,494 tonnes (1,470 long tons) Submerged: 1,599 tonnes (1,574 long tons)[source]
Maximum; Surfaced
Single sourceSurfaced: 11 knots (20 km/h) Submerged: 20 knots (37 km/h) on batteries; 5 knots (9.3 km/h) on AIP[source]