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At a glance
Astute-class submarinelarger figure on 4 of 4
Spanish submarine Galernalarger figure on 0 of 4
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Measured figures
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 source1,500 long tons (1,524 t) surfaced 1,760 long tons (1,788 t) submerged[source]
Maximum; Submerged
Single sourceMaximum; Astute class · Speed
Single source30 knots (56 km/h; 35 mph), submerged[source]
30 knots[source]Astute class
Maximum; Submerged
Single sourceMaximum; submerged ( snort )
Single sourceMaximum; Surfaced
Single source12 knots (22 km/h; 14 mph) surfaced 20.5 knots (38.0 km/h; 23.6 mph) submerged 10.5 knots (19.4 km/h; 12.1 mph) submerged ( snort )[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
Configuration
| Specification | Astute-class submarine | Spanish submarine Galerna |
|---|---|---|
| Range | Unlimited[source] | — |
| Name | Astute class[source] | Galerna[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] | — |
| 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] | — |
| Propulsion | 1 × Rolls-Royce PWR 2 nuclear reactor MTU 600 kilowatt diesel generators[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] | 300 m (984 ft 3 in)[source] |
| Sensors & processing systems | Thales Sonar 2076 Atlas DESO 25 echosounder 2 × Thales CM010 optronic masts Raytheon Successor IFF[source] | Thomson CSF DRUA 33 Radar Thomson Sintra DSUV 22 DUUA 2D Sonar DUUA 1D Sonar DUUX 2 Sonar DSUV 62A towed array[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] | SM 39 Exocet anti-ship missiles 4 × 550 millimetres (22 in) bow torpedo tubes ECAN L5 Mod 3 & ECAN Fl7 Mod 2 torpedoes[source] |
| Country of origin | United Kingdom[source] | — |
| Builder | — | Bazán , Cartagena, Spain[source] |
| Launched | — | 5 November 1981[source] |
| Commissioned | — | 21 January 1983[source] |
| Identification | — | S-71[source] |
| Status | — | Active in service[source] |
| Class & type | — | Agosta -class submarine[source] |
| Role | — | Agosta -class submarine of the Spanish Navy ,[source] |