HMS ''Astute'' (P447) was an . Her

keel The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in Br ...

was laid down by

Vickers Vickers was a British engineering company that existed from 1828 until 1999. It was formed in Sheffield as a steel foundry by Edward Vickers and his father-in-law, and soon became famous for casting church bells. The company went public in 18 ...

Barrow-in-Furness Barrow-in-Furness is a port town in Cumbria, England. Historically in Lancashire, it was incorporated as a municipal borough in 1867 and merged with Dalton-in-Furness Urban District in 1974 to form the Borough of Barrow-in-Furness. In 2023 the ...

. She was launched in 1944 and commissioned in 1945. In 1953 she took part in the Fleet Review to celebrate the Coronation of Queen Elizabeth II. ''Astute'' was scrapped on 1 October 1970 at

Dunston on Tyne Dunston is a western area of the town of Gateshead on the south bank of the River Tyne, in the Metropolitan Borough of Gateshead, North East England (into which it was absorbed in 1974). Dunston had a population of 18,326 at the 2011 Census. ...

Design

Like all s, ''Astute'' had a

displacement Displacement may refer to: Physical sciences Mathematics and Physics *Displacement (geometry), is the difference between the final and initial position of a point trajectory (for instance, the center of mass of a moving object). The actual path ...

of when at the surface and while submerged. It had a total length of , a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

length of , and a draught length of . The submarine was powered by two Admiralty ML eight-cylinder

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...

s generating a power of each. It also contained four electric motors each producing that drove two shafts. It could carry a maximum of of

diesel fuel Diesel fuel , also called diesel oil, is any liquid fuel specifically designed for use in a diesel engine, a type of internal combustion engine in which fuel ignition takes place without a spark as a result of compression of the inlet air and t ...

, although it usually carried between . The submarine had a maximum surface speed of and a submerged speed of . When submerged, it could operate at for or at for . When surfaced, it was able to travel at or at . ''Astute'' was fitted with ten

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s, one QF 4-inch naval gun Mk XXIII, one Oerlikon 20 mm cannon, and a

.303 British The .303 British (designated as the 303 British by the C.I.P. and SAAMI) or 7.7×56mmR, is a calibre rimmed rifle cartridge. The .303 inch bore diameter is measured between rifling lands as is the common practice in Europe which follows th ...

Vickers machine gun The Vickers machine gun or Vickers gun is a Water cooling, water-cooled .303 British (7.7 mm) machine gun produced by Vickers Limited, originally for the British Army. The gun was operated by a three-man crew but typically required more me ...

. Its torpedo tubes were fitted to the bow and stern, and it could carry twenty

torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, su ...

es. Its complement was sixty-one crew members. ''Astute'' was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...

Vickers-Armstrongs Vickers-Armstrongs Limited was a British engineering conglomerate formed by the merger of the assets of Vickers Limited and Sir W G Armstrong Whitworth & Company in 1927. The majority of the company was nationalised in the 1960s and 1970s, w ...

shipyard on 4 April 1944, was launched on 30 January 1945 and completed on 30 June 1945.Blackman 1962, p. 275.

Service history

''Astute'' arrived at

Halifax, Nova Scotia Halifax is the capital and largest municipality of the Canadian province of Nova Scotia, and the largest municipality in Atlantic Canada. As of the 2021 Census, the municipal population was 439,819, with 348,634 people in its urban area. The ...

on 11 April 1950 for a six-week training period with the

Royal Canadian Navy The Royal Canadian Navy (RCN; french: Marine royale canadienne, ''MRC'') is the Navy, naval force of Canada. The RCN is one of three environmental commands within the Canadian Armed Forces. As of 2021, the RCN operates 12 frigates, four attack s ...

ending on 1 July. ''Astute'' spent 21 months in 1955–56 based at Halifax as part of the Canadian submarine squadron, leaving Canada for the UK on 10 December 1956. As a response to the

Cuban Missile Crisis The Cuban Missile Crisis, also known as the October Crisis (of 1962) ( es, Crisis de Octubre) in Cuba, the Caribbean Crisis () in Russia, or the Missile Scare, was a 35-day (16 October – 20 November 1962) confrontation between the United S ...

, ''Astute'' and sister ship , both part of the Halifax-based 6th Submarine Squadron, were deployed to the North-East of the

Grand Banks The Grand Banks of Newfoundland are a series of underwater plateaus south-east of the island of Newfoundland on the North American continental shelf. The Grand Banks are one of the world's richest fishing grounds, supporting Atlantic cod, swordf ...

to warn if Soviet submarines were to be sent across the Atlantic to Cuba.

References

Publications

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External links

Pictures of Hms Astute at MaritimeQuest
{{DEFAULTSORT:Astute (P447) Amphion-class submarines Cold War submarines of the United Kingdom Ships built in Barrow-in-Furness 1945 ships