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At a glance
Astute-class submarinelarger figure on 5 of 5
Measured figures
Length
Single sourceAstute class · Length
Single sourceConfiguration
| Specification | Astute-class submarine | Italian submarine Gianfranco Gazzana Priaroggia (S 525) |
|---|---|---|
| Power | — | 3-shaft diesel Grandi Motori Trieste GMT 210.16-NM (2,7 mW) 1 electric engine ABB[source] |
| Name | Astute class[source] | Gianfranco Gazzana Priaroggia[source] |
| Builders | BAE Systems Submarines , Barrow-in-Furness[source] | — |
| Operators | Royal Navy[source] | — |
| Preceded by | Trafalgar class[source] |
Italian submarine Gianfranco Gazzana Priaroggia (S 525)larger figure on 0 of 5
Counts only measures both sources give with the same scope. A larger figure is not a better system.
Length
Single source66 m (216.5 ft)[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.
| — |
| 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] | — |
|---|
| Sensors & processing systems | Thales Sonar 2076 Atlas DESO 25 echosounder 2 × Thales CM010 optronic masts Raytheon Successor IFF[source] | 1 x radar SMA MM/BPS 704-V2 1 x sonar STN Atlas Elektronik – ISUS 90-20 Combat System STN Atlas Elektronik – ISUS 90-20 periscopes Kollmorgen communication system IRSC, by Hagenuk Marinekommunikation Submarine Action Information System SMA/Datamat MM/SBN-716 SACTIS periscopes Barr & Stroud CK31 Search and CH81 Attack Periscopes communication system by ELMER[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] | 6 × 533 mm (21 in) torpedo tubes with reloads for: 1.) Black Shark torpedo Mod.3 2.) Naval mines[source] |
|---|
| Country of origin | United Kingdom[source] | Italy[source] |
|---|
| Namesake | — | Gianfranco Gazzana Priaroggia[source] |
|---|
| Builder | — | Fincantieri , Monfalcone[source] |
|---|
| Laid down | — | 12 November 1992[source] |
|---|
| Launched | — | 26 June 1993[source] |
|---|
| Commissioned | — | 12 June 1995[source] |
|---|
| Home port | — | Taranto[source] |
|---|
| Identification | — | Pennant number : S 525[source] |
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| Status | — | Active[source] |
|---|
| Class & type | — | Sauro -class submarine[source] |
|---|
| Depth | — | 300 m (984.3 ft)[source] |
|---|
| Electronic warfare & decoys | — | ESM systems Elettronica Spa, BLD-727[source] |
|---|
| Used by | — | Italian Navy[source]Current operator stated in the article; inventory date not specified |
|---|
1,653 tonnes (surfaced) 1,862 tonnes (submerged)[source]
12 knots (22 km/h; 14 mph) (surfaced) 19 knots (35 km/h; 22 mph) (submerged)[source]