List of Admiralty floating docks

The Royal Navy had a number of floating drydocks for the repair of warships where there was no fixed dry dock available. The docks did not receive a name and were known as "Admiralty Floating Dock" with a number. In size they went up to ones capable of lifting the largest Royal Navy battleships.

The floating dock Bermuda under construction in England, before it was towed to Bermuda in 1869

List
19th Century
  • Admiralty Floating Dock Bermuda - Royal Naval Dockyard, Ireland Island, Bermuda, moored in the camber of what was to become the North Yard of the dockyard when the South Yard was constructed at the turn of the Century. 1869-1906. It was intended to be scrapped by a German company, but this was prevented by the outbreak of the First World War and it remains across the mouth of the Great Sound at Spanish Point, crumbling away in the shallows of Stovell Bay.[1]
Numbered docks
HMS York in Admiralty Floating Dock No. 1 at the Royal Naval Dockyard in Bermuda in 1934
  • Admiralty Floating Dock No. 1 - Royal Naval Dockyard, Bermuda, 1902-1946. The largest floating drydock in the world when built, it was towed to Bermuda from Sheerness by two tugs in 1902. It was initially anchored off Agar's Island and Boss' Cove, at Spanish Point, Pembroke, pending completion of the new South Yard, its intended berth, at the Royal Naval Dockyard. Renamed from "Bermuda Dock" to AFD 1 in 1925. Clark & Standfield, 545 ft, 99 ft internal width with a lifting capacity of 11,700tons[2][3][4]
  • Admiralty Floating Dock No. 2
  • Admiralty Floating Dock No. 3- Dover, 1912, designed to lift three submarines. 290 ft, 1600 tons[5]
  • Admiralty Floating Dock No. 4 - Medway, 680 ft, 32,000 tons lifting capacity[6]
  • Admiralty Floating Dock No. 5 - Portsmouth Royal Dockyard 1912-1914 and 1919-1939. The world's largest floating dock at the time, it was moved to Invergordon for the duration of the First World War (pending completion of Rosyth Dockyard), to enable dreadnoughts to be docked in Scotland.[7] Moved to Alexandria in 1939; then in Royal Naval Dockyard, Bermuda, 1946-1951.[8][4]
  • Admiralty Floating Dock No. 6 -Sheerness. built by Swan Hunter & Wigham Richardson 280 ft, 2000 tons. Intended for Harwich to lift two destroyers at a time, moved to Sheerness in 1920.[9]
  • Admiralty Floating Dock No. 7
  • Admiralty Floating Dock No. 8 - Originally constructed in two sections by Howaldtswerke at Kiel in 1917 as German Imperial Navy No. VIII. Claimed by UK in reparations for WWI, designated AFD8, and assigned to Malta. To increase capacity an additional mid-section was fabricated at Chatham. AFD8 was towed to Valletta, where the hull was in separated into two original sections, and the mid-section inserted. Operational from October 1925. Reduced to hulk by 1948 and replaced by AFD No. 35 [10]
  • Admiralty Floating Dock No. 9 - Singapore, also known as "Singapore Dock" or "Admiralty IX", 855 ft long, 55,000 tons capacity [11]
  • Admiralty Floating Dock No. 10
  • Admiralty Floating Dock No. 11 - Southampton, 960 ft; lifting capacity 60,000 tons. Built for Southern Railway.[12] The world's largest floating dock at the time, it was taken over by the Admiralty in 1939 and was used at Portsmouth Royal Dockyard until 1959, when it was sold to the Rotterdam Dock Company.[7] Sank off the coast of Spain in 1984, en route to Brazil.[13]
  • Admiralty Floating Dock No. 12 - At Rosyth, 380 ft, 2750 tons[14]
  • Admiralty Floating Dock No. 13
  • Admiralty Floating Dock No. 14 - At Scapa Flow during WWII. Built by Palmers Hebburn, 240 ton lift, 142.5 ft [15]
  • Admiralty Floating Dock No. 15 - At Stornoway and Greenock during WWII. Built by Palmers Hebburn, 240 ton lift, 142.5 ft [16]
  • Admiralty Floating Dock No. 16 - At Lerwick and Invergordon during WWII. Built by Palmers Hebburn, 240 ton lift, 142.5 ft [17]
  • Admiralty Floating Dock No. 17 - Reykjavik. 2750 tons built at Devonport. Moved to Sydney in 1944 arriving in May 1945 [18]
  • Admiralty Floating Dock No. 18 - Clark Stanfield design, lifting capacity of 2750 tons[19]
  • Admiralty Floating Dock No. 19 - Latterly at Vickers Shipbuilders/VSEL. Scrapped as base of pier at Gills Bay, Caithness.
  • Admiralty Floating Dock No. 20 - Port Bannatyne on the Isle of Bute. 2750 tons. Replacement for AFD7. Used for submarines including X-craft[20]
  • Admiralty Floating Dock No. 21
  • Admiralty Floating Dock No. 22 - Clark Stanfield design built at Chatham, lifting capacity of 2,750 tons, intended for the emergency docking of escort vessels and destroyers.[21]
  • Admiralty Floating Dock No. 23- Built in Bombay in July 1944, with a lifting capacity of 50,000 tons. It was towed to Trincomalee and moored off Sober Island. She sank on 8 August 1944 while HMS Valiant was in dock.[22]
  • Admiralty Floating Dock No. 26 - Fabricated in Calcutta, assembled in Bombay 1944, Braithwaite B/j Ltd.; conveyed to England via Trincomalee, Malta and Gibraltar. Employed at Chatham Royal Dockyard (1947-1951), then Harwich (1951-54), Falmouth (1954-55), Portland (1955-58),[13] Portsmouth (1959-84) and Rosyth (1984-95).[7] Moved to Hafnarfjördur, Iceland 1995 is still in operation, to be scrapped 2021 - 2022
  • Admiralty Floating Dock No. 28 -Royal Naval Dockyard, Bermuda. 1941-1946.[4]
  • Admiralty Floating Dock No. 35 -Malta. 1948 onwards.[10]
  • Admiralty Floating Dock No. 48 -Royal Naval Dockyard, Bermuda. The smaller of two at Royal Naval Dockyard, Bermuda from 1946 (replacing a US lend-lease dock) until the dockyard was reduced to a base in 1951. Transferred to civil Government after 1951 and remained until 1972.[4]
  • Admiralty Floating Dock No. 59 - launched Portsmouth, 1960, and moved to Barrow.[7] 400 ft (120 m) long, for "destroyers, frigates and nuclear submarines"[23]
  • Admiralty Floating Dock No. 60 - Faslane (now HMNB Clyde), 1965 onwards. Constructed in Portsmouth, operated at Faslane with a 6,000 ton capacity for nuclear submarines.[24][25][26] Moved to Hafnarfjördur Iceland 1997 is still in operation [27]
  • Admiralty Floating Dock No. 67 - 1945. Constructed from concrete. 800 ton capacity for service with RN Far East.[28]

Notes
  1. "Floating Dock Bermuda". Bermuda Attractions. Bermuda Attractions. Retrieved 2022-02-09.
  2. Bermuda Dock at Tyne Built Ships
  3. "A NEW DOCK AT BERMUDA". The Navy and Army Illustrated. UK: George Newnes Ltd. 1902-01-18. p. 440.
  4. Harris, Dr. Edward Cecil (2011-11-30). "Heritage Matters: Bermuda's Floating Docks". This Week In Bermuda. Bermuda: This Week In Bermuda. p. 30. Retrieved 2022-02-09.
  5. Dover Dock at Tyne Built Ships
  6. Medway dock 1912 at Tyne Built Ships
  7. Brown, Paul (2016). Maritime Portsmouth. Stroud, Gloucestershire: The History Press.
  8. "Bermuda". Naval Dockyards Society. Naval Dockyards Society. 27 March 2015. Retrieved 2021-10-15. AFD 5 and Crew 1950 (Photograph courtesy of the National Museum of Bermuda)
  9. Harwich Dock at Tyne Built Ships
  10. Cassar, Michael (6 May 2018). "More forgotten industrial heritage: Admiralty Floating Dock No.35 – Return to the Far East". Times of Malta.
  11. Tyne Built Ships at Tyne Built Ships
  12. "Southampton Floating Dock". www.tynebuiltships.co.uk. Retrieved 2023-07-13.
  13. "20th-century Naval Dockyards characterisation report". Historic England. Historic England. Retrieved 5 February 2017.
  14. "Roysth Dock" at Tyne Built Ships
  15. AFD 14 1941 at Tyne Built Ships
  16. AFD 15 at Tyne Built Ships
  17. AFD 16 1942 at Tyne Built Ships
  18. AFD 17 Royal Navy Research Archive
  19. Admiralty Floating Dock No.18 – in HK 1945 to 1955
  20. A.F.D. 20 Royal Navy Research Archive
  21. A.F.D. 22 Royal Navy Research Archive
  22. Perera, Priyantha. "Dive into Trinco's treasure trove beneath the waves". Sunday Times.
  23. 1960 - Admiralty Floating Dock No. 59
  24. "Admiralty Floating Dock - Regiment History, War & Military Records & Archives".
  25. 1965 - Admiralty Floating Dock 60 Completed
  26. "Faslane Naval Base pictured from above with the AFD 60 Floating dock visible Stock Photo - Alamy".
  27. "199710 by Navy News - Issuu".
  28. Floating Dock is towed out East. 28 March 1945, Alfred Lock, Birkenhead. AFD 67, Concrete floating dock built within three... IWM

References
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