HMS Opportune (S20)
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HMS Opportune (S20) was an Oberon-class submarine of the Royal Navy.
Design and construction
Script error: No such module "Labelled list hatnote". The Oberon class was a direct follow on of the Porpoise-class, with the same dimensions and external design, but updates to equipment and internal fittings, and a higher grade of steel used for fabrication of the pressure hull.[1]
As designed for British service, the Oberon-class submarines were Script error: No such module "convert". in length between perpendiculars and Script error: No such module "convert". in length overall, with a beam of Script error: No such module "convert"., and a draught of Script error: No such module "convert"..[2] Displacement was 1,610 tons standard, 2,030 tons full load when surfaced, and 2,410 tons full load when submerged.[2] Propulsion machinery consisted of 2 Admiralty Standard Range 16 VMS diesel generators, and two Script error: No such module "convert". electric motors, each driving a Script error: No such module "convert". 3-bladed propeller at up to 400 rpm.[2] Top speed was Script error: No such module "convert". when submerged, and Script error: No such module "convert". on the surface.[2] Eight Script error: No such module "convert". diameter torpedo tubes were fitted (six facing forward, two aft), with a total payload of 24 torpedoes.[2] The boats were fitted with Type 186 and Type 187 sonars, and an I-band surface search radar.[2] The standard complement was 68: 6 officers, 62 sailors.[2]
Opportune was laid down by Scotts Shipbuilding and Engineering Company on 26 October 1962, and launched on 14 February 1964.[2] The boat was commissioned into the Royal Navy on 29 December 1964.[2]
Operational history
Script error: No such module "Unsubst". On 15 February 1967, Opportune was in collision with sister submarine Script error: No such module "WPSHIPS utilities". when Opportune was leaving Portsmouth harbour as Orpheus was entering at night and in heavy weather, with only minor damage caused. OrpheusTemplate:'s commanding officer was found guilty of hazarding his vessel and was reprimanded.[3][4][5] In 1971, Opportune collided with a merchant ship, causing damage to the upper front part of the fin as well as both periscopes.[6]
Opportune attended the 1977 Silver Jubilee Fleet Review off Spithead when she was part of the Submarine Flotilla.[7]
Decommissioning and fate
Opportune was paid off on 2 June 1993.Script error: No such module "Unsubst". For several years the vessel resided at Pounds scrapyard in Portsmouth.[8][9]
Every year since the vessel was scrapped, senior rates from the boat have annually met together to celebrate their service and life on the boat.[10]
References
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- ↑ a b c d e f g h i Script error: No such module "citation/CS1".
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- ↑ Official Souvenir Programme, 1977. Silver Jubilee Fleet Review, HMSO
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Publications
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