HMS Rockrose during the Second World War | |
History | |
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United Kingdom | |
Name | HMS Rockrose |
Namesake | Rock-rose |
Ordered | 21 September 1939 |
Builder | Charles Hill & Sons, Bristol |
Yard number | 284 |
Laid down | 28 October 1940 |
Launched | 26 July 1941 |
Completed | 4 November 1941 |
Out of service | 4 October 1947 |
Identification | Pennant number: K51 |
Fate | Sold to South African Navy, 1947 |
South Africa | |
Name | HMSAS Protea |
Namesake | Protea |
Acquired | 1947 |
Commissioned | 4 October 1947 |
Decommissioned | January 1957 |
Renamed |
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Reclassified | As a fishing trawler, 1964 |
Fate |
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General characteristics (as built) | |
Class and type | Flower-class corvette |
Displacement | |
Length | 205 ft (62 m) o/a |
Beam | 33 ft 2 in (10.11 m) |
Draught | 13 ft 7 in (4.14 m) |
Installed power |
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Propulsion |
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Speed | 16 knots (30 km/h; 18 mph) |
Range | 5,000 nmi (9,300 km; 5,800 mi) at 10 knots (19 km/h; 12 mph) |
Complement | 85 |
Sensors and processing systems | |
Armament |
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HMSAS Protea was a survey ship of the South African Navy. The ship was originally built as a Flower-class corvette for the Royal Navy during World War II and served as HMS Rockrose (pennant number: K51). Rockrose was initially assigned to convoy escort duties in the North Atlantic after her completion in 1941 but was later transferred to South African waters and then to the Far East with the same mission. She returned home in 1945 and was paid off.
Two years later the ship was purchased by South Africa and was converted into a survey ship in 1949. Protea was obsolete by the late 1950s and was placed in reserve in 1957. The ship was sold in 1962 and was converted into a fishing trawler with the name of Justin. The company subsequently failed and she was scrapped in 1967.
Rockrose displaced 940 long tons (960 t) at standard load and 1,080 long tons (1,100 t) at deep load. [1] The ship had an overall length of 205 feet (62.5 m), a beam of 33 feet 2 inches (10.1 m) and a deep draught of 13 feet 7 inches (4.1 m). [2] She was powered by a single vertical triple-expansion steam engine using steam provided by two cylindrical boilers. The engine developed 2,750 indicated horsepower (2,050 kW) which gave a maximum speed of 16 knots (30 km/h; 18 mph). The ship carried 230 long tons (234 t) of fuel oil that gave her a range of 5,000 nautical miles (9,300 km; 5,800 mi) at 10 knots (19 km/h; 12 mph). [1] Rockrose was armed with a single BL 4-inch (102 mm) Mk IX gun and two twin mounts for .303-inch (7.7 mm) Lewis light machine guns. For anti-submarine work, she was fitted with two depth charge rails and a pair of depth charge throwers for her 40 depth charges. [2] The ship was equipped with a Type 271 surface-search radar and a Type 123A ASDIC. Rockrose was one of those Flower-class ships that had an extended forecastle and her crew numbered 85 officers and ratings. [1]
As part of her conversion to a survey ship in 1949–50, the ship was disarmed and her interior was extensively reworked to improve her endurance and accommodations. Her bridge was remodelled to improve visibility and a pair of echo sounders were fitted in addition to a navigational radar and direction-finding gear. The changes increased her displacement to 1,080 long tons (1,100 t) at standard and 1,340 long tons (1,360 t) at deep load. Her crew now consisted of 82 officers and ratings. [3]
Rockrose was named after the rock-rose flower. The ship was ordered on 21 September 1939 from Charles Hill & Sons [4] and was laid down on 28 October 1940 at its Bristol shipyard as yard number 284. [5] She was launched on 26 July 1941 and completed four months later on 4 November. Rockrose was initially assigned to the North Atlantic for convoy escort work, but was transferred to the South Atlantic in 1942. [6] The ship never engaged the enemy, but rescued survivors from sunken ships on 8, 10 and 29 October of that year. [7] She was later transferred to the Far East and returned home in 1945, after which she was placed in reserve at Devonport Royal Dockyard. [6]
Rockrose was purchased by South Africa in 1947 for conversion into a hydrographic survey ship and was commissioned in the South African Navy on 4 October after a brief refit. Together with the newly purchased minesweepers Rosamund and Pelorus, she arrived at Cape Town on 24 December. While awaiting for her conversion to begin, the ship was docked at Salisbury Island, Durban. Gilbert Hamer & Co. of Durban finally began work in mid-1949 and she was recommissioned as HMSAS Protea in February 1950. In late 1952, the ship sailed from Port Elizabeth to Marion Island to bring back a patient for an appendectomy and arrived back at Port Elizabeth with only 15 long tons (15.2 t) of fuel remaining. [8]
The following year, she participated in Queen Elizabeth II's coronation celebrations in Port Elizabeth. By the late 1950s, the ship's limitations were becoming apparent, particularly her limited space and electrical power, and Protea was reduced to reserve in January 1957. She was listed for disposal in March 1961 and was subsequently purchased by Johannesburg businessman Ernest Bisogno, owner of Maritime Fisheries (Pty) Ltd, for R4,000. The ship was towed from Simon's Town to Cape Town in October 1963, after having been renamed Justin, for an overhaul and then sailed for Durban to begin conversion into a refrigerated tuna fishing trawler. Her owners were not successful and the ship was broken up in Table Bay in late 1967. [9] [10] [11]
HMS Pelorus was an Algerine-class minesweeper built for the Royal Navy (RN) during World War II. Upon completion, the ship became the flotilla leader of the 7th Minesweeper Flotilla, clearing mines off the east coast of England. In June 1944, the flotilla was assigned to sweep one of the beaches during the Normandy landings until she struck a mine the following month. After her repairs were completed, Pelorus was reassigned to the English Channel and the 6th Minesweeping Flotilla. The flotilla was transferred to the Indian Ocean in 1945 and spent some time escorting convoys. They participated in Operation Collie, a bombardment of Japanese positions in the Nicobar Islands, in July and then swept the Strait of Malacca and the approaches to Singapore in August.
HMS Wrangler was one of eight W-class destroyers built for the Royal Navy during World War II. Completed in 1944, the ship spent most of the war in the Far East and escorted British aircraft carriers as their aircraft attacked targets in the occupied Dutch East Indies and in Japan itself. Wrangler was present in Tokyo Bay when the Japanese formally surrendered on 2 September 1945.
HMS Wessex was one of eight W-class destroyers built for the Royal Navy during World War II. Completed in 1944, the ship spent most of the war assigned to the Eastern and Pacific Fleets. She screened British aircraft carriers as their aircraft attacked targets in the Japanese-occupied Nicobar Islands, the Dutch East Indies and Okinawa.
HMS Whelp was one of eight W-class destroyers built for the Royal Navy during the Second World War. Completed in 1944, the ship spent most of the war assigned to the Eastern and Pacific Fleets. She screened British aircraft carriers as their aircraft attacked targets in the Japanese-occupied Nicobar Islands, the Dutch East Indies, Formosa and near Okinawa. Whelp was present at the Japanese surrender in Tokyo Bay in 1945 and later in Hong Kong. She was paid off in January 1946 and went into reserve.
HMSAS Africana was a minesweeping trawler of the South African Seaward Defence Force during the Second World War. She was originally a sea fisheries research vessel and was later fitted for mine-sweeping and survey duties in the early 1930s. She was retained for survey duties off the South African coast throughout the war and in October 1942 she was involved in the rescue of survivors from the American cargo vessel Anne Hutchinson after she was torpedoed by U-504 off East London. In addition to survey, she was used extensively for search and rescue operations in the latter part of the war and her final rescue operation was rescuing 49 survivors of the Canadian SS Point Pleasant Park which was torpedoed by U-510 on 23 February 1945 off the coast of Luderitz Bay.
SAS Somerset was a Bar-class boom defence vessel of the South African Navy, formerly preserved as a museum ship in Cape Town. It was scrapped in April 2024. Formerly HMS Barcross, it operated in Saldanha Bay, was transferred to South Africa Naval Forces during World War II, and was purchased by South Africa in 1947.
HMSAS Parktown was a minesweeping whaler of the South African Naval Services that was sunk during the Second World War. She was built as the whaler Southern Sky for the Southern Whaling and Sealing Company in 1929 and sold in 1936 to the Union Whaling Company, acquiring the new name Sidney Smith. She was requisitioned on 8 August 1940 as HMSAS Parktown and was converted to sweep magnetic mines. She arrived at Tobruk on 10 June 1942 just in time to take part in the evacuation of Allied forces. She was the last ship to leave Tobruk harbour prior to its capitulation to German forces on 20 June 1942. Parktown embarked 60 troops and took a tug in tow outside the harbour. Her reduced speed led to her being attacked by German E-boats, most probably German E-boats from Derna. Gunfire from the motor boats destroyed the bridge, ruptured the boiler, killed or wounded half of the men on board and led to on-board ammunition exploding, causing her to finally stop moving and setting the ship on fire. She was finally sunk on the evening of 21 June 1942 by an Allied MTB which had arrived to pick up survivors.
Vice-Admiral Johan Charl Walters (1919–1993) was a former Chief of the South African Navy.
SAS Good Hope was one of three Loch-class frigates in the South African Navy (SAN). It was built as HMS Loch Boisdale (K432) for the Royal Navy during World War II, but was transferred to the SAN before completion in 1944 and renamed as HMSAS Good Hope. The ship was assigned to convoy escort duties in 1945, but did not encounter any enemy ships before the end of the war.
HMS Albrighton was a Type III Hunt-class destroyer built for the British Royal Navy. She entered service in February 1942, first carrying out an attack on German ships in the English Channel then taking part in the Dieppe Raid, rescuing survivors from the sinking destroyer HMS Broke. Albrighton was next assigned to search for and destroy the German auxiliary cruiser Komet, then escorted a convoy to Gibraltar in prevision of the Allied landings in North Africa. Between December 1942 and April 1943, she participated in the sinking of three more Axis ships with the First Destroyer Flotilla. During the Normandy Landings in June 1944, Albrighton served as a headquarters ship, then sank two German trawlers in the weeks after the invasion. After being converted to a destroyer in early 1945, she was damaged in a collision with a Landing Ship, then was assigned to the British Eastern Fleet. However, the war ended before she was deployed and Albrighton went into reserve.
HMS Lyme Regis was a Bangor-class minesweeper built for the Royal Navy during the Second World War.
HMS Gleaner was one of 21 Halcyon-class minesweepers built for the Royal Navy in the 1930s.
HMSAS Natal was one of three Loch-class frigates in the South African Navy (SAN). It was built as HMS Loch Cree (K430) for the Royal Navy during World War II, but was transferred to the SAN before completion in 1945 and renamed as HMSAS Natal. Just hours after finishing fitting out, the ship sank a German submarine off the coast of Scotland in early 1945. It was assigned convoy escort duties for the remaining few months of the war in Europe. Natal had her anti-aircraft armament reinforced for service in the Far East after arriving in South Africa in June. In September–October, the ship participated in the reoccupation of British Malaya before returning home the following month.
SAS Transvaal was one of three Loch-class frigates in the South African Navy (SAN). She was built as HMS Loch Ard (K602) for the Royal Navy during World War II, but was transferred to the SAN in 1944 before completion and renamed as HMSAS Transvaal. The ship was completed shortly after the German surrender in May 1945 and did not participate in the war.
HMSAS Bloemfontein was an Algerine-class minesweeper built for the Royal Navy in Canada during World War II. The ship was originally HMS Rosamund and spent several years clearing minefields in European waters after she was completed in 1945 before she was placed in reserve. Rosamund was purchased by South Africa in 1947 and renamed HMSAS Bloemfontein in 1948.
HMS Erica was a Flower-class corvette that served in the Royal Navy and was built by Harland and Wolff in 1941. She was named after Erica. Commissioned in 1940 and sunk by a mine on 9 February 1943.
SAS Skilpad was a mine-layer vessel of the South African Navy during and after the Second World War. She was launched as the German trawler Polaris and after being captured by the Allies in 1940, she was commissioned into the Royal Navy as a war-prize and named HMS Spindrift. During the course of the war she was transferred to the South African Naval Forces, being based in Saldanha Bay and later in Durban. After being kept in storage for several years after the end of the war, she sank at her moorings in Durban during a gale in 1953, leading to her being decommissioned and sold for scrap in 1957.
HMS Brave (J305) was a steam turbine-powered Algerine-class minesweeper during the Second World War.
HMSAS Protea was the first hydrographic survey ship used by the South African Naval Service. The ship was laid down as a minesweeper to be named HMS Ventnor in 1917 but was renamed HMS Verwood in 1918 while under construction. She was again re-named and launched as HMS Crozier on 1 July 1919. The vessel was converted from a minesweeper to a hydrographic survey vessel in 1921 and transferred to the South African forces in 1922, where she was commissioned as HMSAS Protea. She served as a survey vessel until 1933 when she was returned to the Royal Navy. Protea was eventually sold by the Royal Navy and renamed MV Queen of the Bay where she went on to operate as a pleasure craft out of Blackpool. She was subsequently sold to the Spanish Navy and renamed Lieutenant Captain Remigio Verdia, and used as supply vessel to run blockades, smuggling supplies to the anti-fascists in Spain during the civil war. She ran aground and sunk off Cartagena in Spain in 1939.