FORCETALLY
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At a glance
Astute-class submarinelarger figure on 4 of 4
Measured figures
Length
Single sourceAstute class · Length
Single sourceConfiguration
| Specification | Astute-class submarine | Tridente-class submarine |
|---|---|---|
| Name | Astute class[source] | — |
| Builders | BAE Systems Submarines , Barrow-in-Furness[source] | HDW[source] |
| Operators | Royal Navy[source] | Portuguese Navy[source] |
| Preceded by | Trafalgar class[source] | Albacora class[source] |
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source67.7 m (222 ft 1 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
1,700 tons (surfaced) 2,020 tons (submerged)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Succeeded by |
|---|
SSN-AUKUS (First design contract awarded)[source] |
| — |
| Cost | Over £ 1.65 billion per boat (2015 est.)[source] | — |
|---|
| Built | 2001–present[source] | 2005–2010[source] |
|---|
| In commission | 2010–present[source] | 2010–present[source] |
|---|
| Planned |
|---|
| Building | — |
|---|
| Completed |
|---|
| Active | — |
|---|
| Type | Nuclear-powered attack submarine[source] | Attack submarine[source] |
|---|
| Propulsion | 1 × Rolls-Royce PWR 2 nuclear reactor MTU 600 kilowatt diesel generators[source] | Diesel-electric, fuel cell AIP , low noise skew back propeller[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] | 45 days[source] |
|---|
| Test depth | Over 300 m (980 ft)[source] | superior to 300 m (984 ft)[source] |
|---|
| Sensors & processing systems | Thales Sonar 2076 Atlas DESO 25 echosounder 2 × Thales CM010 optronic masts Raytheon Successor IFF[source] | Kelvin Hughes KH-1007 (F) navigation radar Atlas Elektronik GmbH ISUS 90 combat management system[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] | (8) 533 mm (21.0 in) torpedo tubes, (4) subHarpoon-capable 12 × WASS Blackshark torpedo reloads[source] |
|---|
| Country of origin | United Kingdom[source] | — |
|---|
| Canceled | — |
|---|
| Capacity | — | 14[source] |
|---|
Maximum; Surfaced
Single source20 knots (37 km/h; 23 mph) submerged 10 knots (19 km/h; 12 mph) surfaced 6 knots (11 km/h; 6.9 mph) AIP system[source]