Amphibious transport dock

An amphibious transport dock, also called a landing platform/dock (LPD),[1] is an amphibious warfare ship, a warship that embarks, transports, and lands elements of a landing force for expeditionary warfare missions.[2] Several navies currently operate this kind of ship. The ships are generally designed to transport troops into a war zone by sea, primarily using landing craft, although invariably they also have the capability to operate transport helicopters.

The interior configuration of the United States Navy's San Antonio-class amphibious transport dock shows features common to most LPDs

Amphibious transport docks perform the mission of amphibious transports, amphibious cargo ships, and the older Dock landing ships (LSD) by incorporating both a flight deck and a well deck that can be ballasted and deballasted to support landing craft or amphibious vehicles. The main difference between LSDs and LPDs is that while both have helicopter landing decks, the LPD also has hangar facilities for protection and maintenance.[3] In the United States Navy, the newer class of LPD has succeeded the older classes of LSDs, and both the Navy and United States Marine Corps are looking to the LPD to be the basis of their new LX(R) program to replace their LSDs.[4]

LPD classes
Country Class In service Commissioned Length Beam Draft Displacement (mt) Note Image
 AlgeriaKalaat Béni Abbès12015143 m (469 ft)21.5 m (71 ft)5.3 m (17 ft)9,000
 BrazilBahia12016168 m (551 ft)23.5 m (77 ft)5.2 m (17 ft)12,000Ex-Siroco (L9012) sold to Brazil Navy in 2015, renamed Bahia (G40).
 ChileSargento Aldea12011168 m (551 ft)23.5 m (77 ft)5.2 m (17 ft)12,000Ex-Foudre (L9011) sold to Chile Navy in 2011, renamed Sargento Aldea (LSDH-91).
 ChinaType 071 (Yuzhao)72007210 m (690 ft)28 m (92 ft)7 m (23 ft)25,000
 IndiaJalashwa12007173.7 m (570 ft)32 m (105 ft)6.7 m (22 ft)16,600Ex-USS Trenton (LPD-14) sold to the Indian Navy in 2007, renamed INS Jalashwa (L41).
 IndonesiaMakassar52007122–125 m (400–410 ft)22 m (72 ft)4.9 m (16 ft)11,394
 ItalySan Giorgio31987133 m (436 ft)20.5 m (67 ft) 7,650 (San Giorgio and San Marco)
7,980 (San Giusto)
 JapanŌsumi31998178 m (584 ft)25.8 m (85 ft)6.0 m (19.7 ft)14,000
 MyanmarMakassar12019122–125 m (400–410 ft)22 m (72 ft)4.9 m (16 ft)11,394
 NetherlandsRotterdam21997166 m (545 ft)27 m (89 ft)6.0 m (19.7 ft)12,750 (Rotterdam)
16,800 (Johan de Witt)
 PeruMakassar2on order[5]122 m (400 ft)22 m (72 ft)4.9 m (16 ft)11,394
 PhilippinesTarlac22016[6]123 m (404 ft)21.8 m (72 ft)5.0 m (16.4 ft)11,583
 SingaporeEndurance42000141 m (463 ft)21 m (69 ft)5.0 m (16.4 ft)8,500
 SpainGalicia21998166 m (545 ft)25 m (82 ft)5.8 m (19 ft)13,815
 ThailandAngthong12012141 m (463 ft)21 m (69 ft)5.0 m (16.4 ft)8,500
 United KingdomAlbion22003176 m (577 ft)28.9 m (95 ft)7.1 m (23 ft)19,560
 United StatesSan Antonio112006208 m (682 ft)32 m (105 ft)7.0 m (23.0 ft)24,900

Decommissioned
Country Class In service Commissioned Length Beam Draft Displacement (mt) Note
 FranceOuragan21963–2007149 m (489 ft)21.5 m (71 ft)5.4 m (18 ft)8,500
Bougainville11988–2008113.50 m (372.4 ft)17.00 m (55.77 ft)4.24 m (13.9 ft)4,870
Foudre21990–2015168 m (551 ft)23.5 m (77 ft)5.2 m (17 ft)12,000Sold to Chile and Brazil.
 United StatesRaleigh31962–2005159 m (522 ft)30 m (98 ft)7.0 m (23.0 ft)13,818USS La Salle (LPD-3)converted from Landing Platform Dock to Auxiliary Flagship and redesignated as USS La Salle (AGF-3) in 1972.
Austin31965–2007173 m (568 ft)32 m (105 ft)6.7 m (22 ft)16,914
Cleveland71967–2014173 m (568 ft)32 m (105 ft)6.7 m (22 ft)16,914Some sources consider Cleveland (seven built) to be a part of the Austin class. USS Coronado (LPD-11) converted from Landing Platform Dock to Auxiliary Flagship and redesignated as USS Coronado (AGF-11) in 1980.
Trenton21971–2017173 m (568 ft)32 m (105 ft)6.7 m (22 ft)16,914Some sources consider Trenton (two built) ships to be a part of the Austin class. Ex-USS Trenton (LPD-14) sold to the Indian Navy and in active service with Indian Navy. USS Ponce (LPD-15) converted to an Afloat Forward Staging Base (Interim) in 2012, redesignated as USS Ponce (AFSB(I)-15).
 IndonesiaTanjung Dalpele12003-2007122 m (400 ft)22 m (72 ft)4.9 m (16 ft)11,394Converted to a hospital ship in 2007, renamed KRI Dr Soeharso (990).
 United KingdomFearless21965-2002158.5 m (520 ft)24.4 m (80 ft)6.3 m (21 ft)16,950Scrapped between 2002 and 2008. HMS Ocean provided amphibious cover until the two ships of the Albion class were available.

See also

References
  1. Royal Navy. "Landing Platform Dock". Archived from the original on 1 April 2019. Retrieved 13 April 2019.
  2. "Northrop wins contract add-on for 10th LPD-class amphibious transport dock ship". The Mississippi Press. 30 April 2010.
  3. "World Wide Landing Ship Dock/Landing Platform Dock". Retrieved 2012-05-17.
  4. "[USMC General] Amos: Replace LSD amphib fleet with LPDs". military.com. Retrieved 23 March 2018.
  5. "Archived copy". Archived from the original on 2013-07-13. Retrieved 2013-07-13.CS1 maint: archived copy as title (link)
  6. "Archived copy". Archived from the original on 2014-01-14. Retrieved 2014-01-29.CS1 maint: archived copy as title (link)
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