FORCETALLY
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At a glance
Astute-class submarinelarger figure on 1 of 3
Kashtan-class salvage vessellarger figure on 2 of 3
Measured figures
Length
Single sourceAstute class · Length
Single sourceConfiguration
| Specification | Astute-class submarine | Kashtan-class salvage vessel |
|---|---|---|
| Power | — | 2 × 1,500 hp (1,100 kW) diesel-electric motors, 2 fixed pitch propellers, 1 bow thruster , 5 × 775 kW diesel generators[source] |
| Name | Astute class[source] | Kashtan class[source] |
| Builders | BAE Systems Submarines , Barrow-in-Furness[source] | Neptun Werft , Rostock , East Germany[source] |
| Operators | Royal Navy[source] | Soviet Navy (former) Russian Navy[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source97.83 m (321 ft 0 in)[source]
Astute class · Displacement
Single sourceSubmerged
Single sourceSurfaced
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
4,200 tons standard 6,200 tons full load[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Preceded by | Trafalgar class[source] | — |
|---|
| Succeeded by | SSN-AUKUS (First design contract awarded)[source] | — |
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| Cost | Over £ 1.65 billion per boat (2015 est.)[source] | — |
|---|
| Built | 2001–present[source] | — |
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| In commission | 2010–present[source] | — |
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| Planned | — |
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| Building | — |
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| Completed |
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| Active | — |
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| Type | Nuclear-powered attack submarine[source] | Salvage vessel/ Submersible support[source] |
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| Propulsion | 1 × Rolls-Royce PWR 2 nuclear reactor MTU 600 kilowatt diesel generators[source] | — |
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| 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] | — |
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| Test depth | Over 300 m (980 ft)[source] | — |
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| Sensors & processing systems | Thales Sonar 2076 Atlas DESO 25 echosounder 2 × Thales CM010 optronic masts Raytheon Successor IFF[source] | — |
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| Armament | 6 × 21 in (533 mm) torpedo tubes with stowage for up to 38 weapons: Tomahawk Block IV cruise missiles Spearfish heavyweight torpedoes[source] | — |
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| Country of origin | United Kingdom[source] | — |
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