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At a glance
Astute-class submarinelarger figure on 0 of 2
Type 926 submarine support shiplarger figure on 2 of 2
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
Length
Single sourceAstute class · Length
Single sourceConfiguration
| Specification | Astute-class submarine | Type 926 submarine support ship |
|---|---|---|
| Range | Unlimited[source] | — |
| Name | Astute class[source] | — |
| Builders | BAE Systems Submarines , Barrow-in-Furness[source] | — |
| Operators | Royal Navy[source] | — |
| Preceded by | Trafalgar class[source] | — |
| Succeeded by | SSN-AUKUS (First design contract awarded)[source] |
Length
Single source135 m (442 ft 11 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
Displacement
Single source7,600 long tons (7,700 t)[source]
capacity for 109
Single source98 (capacity for 109)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| — |
| Cost | Over £ 1.65 billion per boat (2015 est.)[source] | — |
|---|
| Built | 2001–present[source] | — |
|---|
| In commission | 2010–present[source] | — |
|---|
| Planned | — |
|---|
| Building | — |
|---|
| Completed | — |
|---|
| Active | — |
|---|
| Type | Nuclear-powered attack submarine[source] | Submarine support ship[source] |
|---|
| Propulsion | 1 × Rolls-Royce PWR 2 nuclear reactor MTU 600 kilowatt diesel generators[source] | Integrated electric propulsion[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] | Navigation radar[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] | None[source] |
|---|
| Country of origin | United Kingdom[source] | People's Republic of China[source] People's Republic of China[source] |
|---|
| Commissioned | — | 2015 onward[source] |
|---|
| Status | — | Active[source] |
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| Class & type | — | Dalao class[source] |
|---|
| Electronic warfare & decoys | — | None[source] |
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| Armour | — | None[source] |
|---|