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At a glance
Astute-class submarinelarger figure on 3 of 3
Gotland-class submarine
Measured figures
Length
Single sourceAstute class · Length
Single sourceConfiguration
| Specification | Astute-class submarine | Gotland-class submarine |
|---|---|---|
| Range | Unlimited[source] | — |
| Name | Astute class[source] | — |
| Builders | BAE Systems Submarines , Barrow-in-Furness[source] | Kockums[source] |
| Operators | Royal Navy[source] | Swedish Navy[source] |
| Preceded by | Trafalgar class[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source60.4 m (198 ft 2 in)[source]
Submerged
Single sourceSurfaced
Single sourceAstute class · Displacement
Single sourceSurfaced: 7,000 to 7,400 t (6,900 to 7,300 long tons) Submerged: 7,400 to 7,800 t (7,300 to 7,700 long tons)[source]
7,400 tonnes[source]Astute class
Submerged
Single sourceSurfaced
Single sourceBars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Västergötland class[source] |
| Succeeded by | SSN-AUKUS (First design contract awarded)[source] | Blekinge class[source] |
|---|
| Cost | Over £ 1.65 billion per boat (2015 est.)[source] | — |
|---|
| Built | 2001–present[source] | 1992–1996[source] |
|---|
| In commission | 2010–present[source] | 1996–present[source] |
|---|
| Planned |
|---|
| Building | — |
|---|
| Completed |
|---|
| Active |
|---|
| Type | Nuclear-powered attack submarine[source] | Submarine[source] |
|---|
| Propulsion | 1 × Rolls-Royce PWR 2 nuclear reactor MTU 600 kilowatt diesel generators[source] | 2 × Diesel-electric MTU engines 2 × Kockums v4-275R Stirling AIP units[source] |
|---|
| Endurance | Unlimited in terms of propulsion, air and water, but otherwise typically 90 days, based on the amount of food carried and endurance of the crew[source] | — |
|---|
| Test depth | Over 300 m (980 ft)[source] | — |
|---|
| Sensors & processing systems | Thales Sonar 2076 Atlas DESO 25 echosounder 2 × Thales CM010 optronic masts Raytheon Successor IFF[source] | CSU 90-2 integrated sonar sensor suite[source] |
|---|
| Armament | 6 × 21 in (533 mm) torpedo tubes with stowage for up to 38 weapons: Tomahawk Block IV cruise missiles Spearfish heavyweight torpedoes[source] | 4 × 533 mm (21.0 in) torpedo tubes 2 × 400 mm (15.7 in) torpedo tubes 48 × Externally mounted naval mines[source] |
|---|
| Country of origin | United Kingdom[source] | Sweden[source] |
|---|
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]