HMS Andrew (P423)
| History | |
|---|---|
 United Kingdom
|
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| Name: | Andrew |
| Builder: | Vickers Armstrong, Barrow-in-Furness |
| Laid down: | 13 August 1945 |
| Launched: | 6 April 1946 |
| Commissioned: | 16 March 1948 |
| Fate: | Sold to be broken up for scrap on 5 May 1977. Scrapped at Plymouth later in 1977. |
| General characteristics | |
| Class and type: | Amphion-class submarine |
| Displacement: | 1,360/1,590 tons (surface/submerged) |
| Length: | 293 ft 6 in (89.46 m) |
| Beam: | 22 ft 4 in (6.81 m) |
| Draught: | 18 ft 1 in (5.51 m) |
| Propulsion: | 2 × 2,150 hp (1,600 kW) Admiralty ML 8-cylinder diesel engine, 2 × 625 hp (466 kW) electric motors for submergence driving two shafts |
| Speed: |
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| Range: |
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| Test depth: | 350 ft (110 m) |
| Complement: | 5 officers 55 enlisted |
| Armament: |
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HMS Andrew (P423), was an Amphion-class submarine of the Royal Navy, built by Vickers Armstrong and launched on 6 April 1946.
The submarine was fitted with a 4-inch (102 mm) deck gun in 1964 for service during the Indonesia–Malaysia confrontation to counter blockade-running junks. The gun was fired for the last time in December 1974. She was sold off in 1977 and was broken up.
Andrew was briefly the oldest Amphion-class submarine to remain in service, was the last British submarine with a deck gun, was the last World War II-designed submarine in service, and was the first submarine to use a "snort" to cross the Atlantic (in May 1953).
Like all Amphion-class submarines, Andrew had a displacement of 1,360 tonnes (1,500 short tons) when at the surface and 1,590 tonnes (1,750 short tons) while submerged. It had a total length of 293 feet 6 inches (89.46 m), a beam length of 22 feet 4 inches (6.81 m), and a draught length of 18 feet 1 inch (5.51 m). The submarine was powered by two Admiralty ML eight-cylinder diesel engines generating a power of 2,150 horsepower (1,600 kW) each. It also contained four electric motors each producing 625 horsepower (466 kW) that drove two shafts. It could carry a maximum of 219 tonnes (241 short tons) of diesel, although it usually carried between 159 and 165 tonnes (175 and 182 short tons).
The submarine had a maximum surface speed of 18.5 knots (34.3 km/h; 21.3 mph) and a submerged speed of 8 knots (15 km/h; 9.2 mph). When submerged, it could operate at 3 knots (5.6 km/h; 3.5 mph) for 90 nautical miles (170 km; 100 mi) or at 8 knots (15 km/h; 9.2 mph) for 16 nautical miles (30 km; 18 mi). When surfaced, it was able to travel 15,200 nautical miles (28,200 km; 17,500 mi) at 10 knots (19 km/h; 12 mph) or 10,500 nautical miles (19,400 km; 12,100 mi) at 11 knots (20 km/h; 13 mph).Andrew was fitted with ten 21 inches (530 mm) torpedo tubes, one QF 4 inch naval gun Mk XXIII, one Oerlikon 20 mm cannon, and a .303 British Vickers machine gun. Its torpedo tubes were fitted to the bow and stern, and it could carry twenty torpedoes. Its complement was sixty-one crew members.
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