HMS Astute (S119)

HMS Astute is an operational nuclear-powered attack submarine in the Royal Navy, the lead boat of her class.

For other ships with the same name, see HMS Astute.

HMS Astute returning to HMNB Clyde, 2012
History
United Kingdom
NameHMS Astute
OrderedMarch 1997
Builder
Laid down31 January 2001
Launched8 June 2007
Sponsored byThe Queen
Commissioned27 August 2010
In serviceMay 2014
HomeportHM Naval Base Clyde
IdentificationPennant number: S119
StatusOperational
Badge
General characteristics
Class and typeAstute-class fleet submarine
Displacement
  • Surfaced: 7,000 to 7,400 t (7,300 long tons; 8,200 short tons)
  • Submerged: 7,400 to 7,800 t (7,700 long tons; 8,600 short tons)
Length97 m (318 ft 3 in)
Beam11.3 m (37 ft 1 in)
Draught10 m (32 ft 10 in)
Propulsion
  • 1 × Rolls-Royce PWR 2 nuclear reactor, HEU 93.5%
  • MTU 600 kilowatt diesel generators
Speed30 kn (56 km/h; 35 mph), submerged
RangeUnlimited
Endurance90 days
Test depthOver 300 m (984 ft 3 in)
Complement98 (capacity for 109)
Sensors and
processing systems
  • Thales Sonar 2076
  • Atlas DESO 25 echosounder
  • 2 × Thales CM010 optronic masts
  • Raytheon Successor IFF
Armament
  • 6 × 21 in (533 mm) torpedo tubes with stowage for up to 38 weapons:
    • Tomahawk Block IV cruise missiles
    • Spearfish heavyweight torpedoes

Astute is the second submarine of the Royal Navy to be named after the characteristic of shrewdness and discernment—the first was the World War II-era Amphion-class Astute. She was the largest attack submarine in Royal Navy history when commissioned in 2010.

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