HMS Opportune (S20)
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| History | |
|---|---|
 United Kingdom |
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| Name: | HMS Opportune |
| Builder: | Scotts, Greenock |
| Yard number: | 693 |
| Laid down: | 26 October 1962 |
| Launched: | 14 February 1964 |
| Commissioned: | 29 December 1964 |
| Decommissioned: | 2 June 1993 |
| Fate: | Paid off |
| General characteristics as designed | |
| Class & type: | Oberon class |
| Displacement: |
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| Length: |
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| Beam: | 26.5 feet (8.1 m) |
| Draught: | 18 feet (5.5 m) |
| Propulsion: |
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| Speed: |
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| Complement: | 68 (6 officers, 62 enlisted) |
| Sensors and processing systems: |
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| Armament: |
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HMS Opportune (S20) was an Oberon-class submarine of the Royal Navy.
Contents
Design and construction
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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 241 feet (73 m) in length between perpendiculars and 295.2 feet (90.0 m) in length overall, with a beam of 26.5 feet (8.1 m), and a draught of 18 feet (5.5 m).[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 6,000 shaft horsepower (4,500 kW) electric motors, each driving a Lua error in Module:Convert at line 272: attempt to index local 'cat' (a nil value). 3-bladed propeller at up to 400 rpm.[2] Top speed was 17 knots (31 km/h; 20 mph) when submerged, and 12 knots (22 km/h; 14 mph) on the surface.[2] Eight 21-inch (530 mm) 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
Lua error in package.lua at line 80: module 'strict' not found. Opportune attended the 1977 Silver Jubilee Fleet Review off Spithead when she was part of the Submarine Flotilla.[3]
Decommissioning and fate
Opportune was paid off on 2 June 1993.[citation needed] For several years the vessel resided at Pounds scrapyard in Portsmouth.[4]
References
Publications
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