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
HMS York in Admiralty Floating Dock No. 1 at the Royal Naval Dockyard in Bermuda in 1934

List
19th Century
Numbered docks
  • Admiralty Floating Dock No. 1 - Royal Naval Dockyard, Bermuda, in service from 1906. Renamed from "Bermuda Dock" to AFD 1 in 1925. Clark & Standfield, 545 ft, 99 ft internal width with a lifting capacity of 11,700tons[1]
  • Admiralty Floating Dock No. 2
  • Admiralty Floating Dock No. 3- Dover, 1912, designed to lift three submarines. 290 ft, 1600 tons[2]
  • Admiralty Floating Dock No. 4 - Medway, 680 ft, 32,000 tons lifting capacity[3]
  • Admiralty Floating Dock No. 5 Royal Naval Dockyard, Bermuda[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.[5]
  • Admiralty Floating Dock No. 7
  • Admiralty Floating Dock No. 8 - Malta, reduced to hulk by 1948 and replaced by AFD No. 35 [6]
  • Admiralty Floating Dock No. 9 - Singapore, also known as "Singapore Dock" or "Admiralty IX", 855 ft long, 55,000 tons capacity [7]
  • Admiralty Floating Dock No. 10
  • Admiralty Floating Dock No. 11 - Southampton, 960 ft; lifting capacity 60,000 tons. Built for Southern Railway. Taken over by Admiralty in 1939.[8]
  • Admiralty Floating Dock No. 12 - At Rosyth, 380 ft, 2750 tons[9]
  • 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 [10]
  • Admiralty Floating Dock No. 15 - At Stornoway and Greenock during WWII. Built by Palmers Hebburn, 240 ton lift, 142.5 ft [11]
  • Admiralty Floating Dock No. 16 - At Lerwick and Invergordon during WWII. Built by Palmers Hebburn, 240 ton lift, 142.5 ft [12]
  • Admiralty Floating Dock No. 17 - Reykjavik. 2750 tons built at Devonport. Moved to Sydney in 1944 arriving in May 1945 [13]
  • Admiralty Floating Dock No. 18 - Clark Stanfield design, lifting capacity of 2750 tons[14]
  • Admiralty Floating Dock No. 19
  • Admiralty Floating Dock No. 20 - Port Bannatyne on the Isle of Bute. 2750 tons. Replacement for AFD7. Used for submarines including X-craft[15]
  • Admiralty Floating Dock No. 21
  • Admiralty Floating Dock No. 22 - Clark Stanfield design built at Chatham, lifting capacity of 2750 tons, intended for the emergency docking of escort vessels and destroyers.[16]
  • Admiralty Floating Dock No. 23
  • Admiralty Floating Dock No. 26 -Fabricated in Calcutta, assembled in Bombay 1944, Braithwaite B/j L.t.d. Moved to Hafnarfjördur Iceland 1995 is still in operation will be scrap 2021 - 2022
  • Admiralty Floating Dock No. 35 -Malta. 1948 onwards.[6]
  • Admiralty Floating Dock No. 59 -Portsmouth, 1960 onwards. 400 ft (120 m) long, for "destroyers, frigates and nuclear submarines"[17]
  • Admiralty Floating Dock No. 60 -Portsmouth, 1965 onwards. 6000 ton capacity for nuclear submarines.[18] Moved to Hafnarfjördur Iceland 1997 is still in operation
  • Admiralty Floating Dock No. 67 - 1945. Constructed from concrete. 800 ton capacity for service with RN Far East.[19]

Notes
  1. Bermuda Dock at Tyne Built Ships
  2. Dover Dock at Tyne Built Ships
  3. Medway dock 1912 at Tyne Built Ships
  4. "Bermuda". Naval Dockyards Society. Naval Dockyards Society. Retrieved 2021-10-15. AFD 5 and Crew 1950 (Photograph courtesy of the National Museum of Bermuda)
  5. Harwich Dock at Tyne Built Ships
  6. Cassar, Michael (6 May 2018). "More forgotten industrial heritage: Admiralty Floating Dock No.35 – Return to the Far East". Times of Malta.
  7. Tyne Built Ships at Tyne Built Ships
  8. Southampton Dock at Tyne Built Ships
  9. "Roysth Dock" at Tyne Built Ships
  10. AFD 14 1941 at Tyne Built Ships
  11. AFD 15 at Tyne Built Ships
  12. AFD 16 1942 at Tyne Built Ships
  13. AFD 17 Royal Navy Research Archive
  14. Admiralty Floating Dock No.18 – in HK 1945 to 1955
  15. A.F.D. 20 Royal Navy Research Archive
  16. A.F.D. 22 Royal Navy Research Archive
  17. 1960 - Admiralty Floating Dock No. 59
  18. 1965 - Admiralty Floating Dock 60 Completed
  19. 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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