List of yard and district craft of the United States Navy explained

This is a list of yard and district craft of the United States Navy. It covers the various types of craft and ships that support the bases and harbors of the United States Navy. The hull classification symbols for these craft begin with (Y).

Ship status is indicated as either currently active [A] (including ready reserve), inactive [I], or precommissioning [P]. Ships in the inactive category include only ships in the inactive reserve, ships which have been disposed from US service have no listed status. Ships in the precommissioning category include ships under construction or on order.

Historical overview

This list demonstrates that the US Navy constantly recycles and repurposes its small craft for new roles. Some craft on this list have had as many as six such conversions in their history. Some of these conversions have been surprising from an environmental viewpoint, such as the conversion of fuel oil barges into water barges. Some conversions have been surprising from an economic viewpoint, such as the simultaneous conversions of open barges to covered barges during the conversions of covered barges to open barges, which can be justified only by relatively high transportation costs.

The District auxiliary, miscellaneous (YAG) designation has been used as a cover for at least two ships employed in classified tests of biological, chemical, and nuclear weapons (aka WMD).

Some of these vessels have held prior or later classifications as unclassified miscellaneous (IX), or more rarely as auxiliaries miscellaneous (AG, T-AG).

Ash barges (YA)

District auxiliary, miscellaneous (YAG)

For similar lists of 'miscellaneous' ships see

and

List of unclassified miscellaneous vessels of the United States Navy (IX)

Radar picket ships (YAGR)

Guardian-class radar picket ship

All Guardian-class ships were reclassed as AGR in 1958; they were originally intended to be classed as District auxiliaries, miscellaneous (YAG) - see YAG-41 through YAG-44 - but this was not done.

Open barges (YC, YCK)

The YCK hull symbol denoted a wooden barge.

Coaling derricks (YCD)

Car floats (YCF)

Aircraft transportation barges (YCV)

Floating derricks (YD)

Diving tenders (YDT)

Ammunition barges (YE)

Covered barges (YF, YFN)

YF barges are self-propelled, YFN barges are not.[53]

Hull numbers 1 through 256 were built before World War II.[54]

Hull numbers 257 through 1153 were built during World War II.[55] [56]

Hull numbers starting with 1154 were built after World War II.[59]

Yard ferry boats or launches (YFB)

Two YFB vessels are currently in use at Guantanamo Bay Naval Base: Leeward (YFB-92) and Windward (YFB-93)[60] [61]

Yard floating drydocks (YFD)

All YFDs were reclassified as AFDMs in 1945 (see).

Large covered barges, non-self propelled (YFNB)

Dry dock companion craft, non-self propelled (YFND)

Barges, special purpose, non-self propelled (YFNX)

Floating power barges (YFP)

Refrigerated covered barges (YFR, YFRN)

YFR barges are self-propelled, YFRN barges are not.

The YFR and YFRN hull numbers are part of the YF and YFN sequence.

Range tenders (YFRT)

Torpedo transportation barges (YFT)

Harbor utility craft (YFU)

Most if not all of the early YFU vessels were LCUs which had been retired from amphibious duties due to age.

YFU-71-class: 11 "Skilak" lighters purchased as Commercial off-the-shelf for the Vietnam War[64]

Garbage barges (YG, YGN)

YG barges are self-propelled, YGN barges are not.

Houseboats (YHB)

Salvage lift craft, heavy (YHLC)

Salvage lift craft (YLC)

Salvage lift craft, light (YLLC)

Dredges (YM, YMN)

YM dredges are self-propelled, YMN dredges are not.

Mud scows (YMD)

Salvage lift craft medium (YMLC)

Yard motor tugs (YMT)

Yard net tenders (YN)

All specially-built yard net tenders were reclassified in 1944 as auxiliary net laying ships, see for the reclassification result. The 24 impressed tugboats were reclassed as Net tender tugs (YNT), later some as tugboats (YTB or YTL).

Aloe-class net laying ships

The 24 impressed commercial tugboats.

Ailanthus-class net laying ships

Cohoes-class net laying ships

Net gate craft (YNG)

Net tender tugs (YNT)

All these ships were former Yard net tenders (YN)

Fuel oil barges (YO, YON)

YO barges are self-propelled, YON barges are not.

Gasoline barges (YOG, YOGN)

YOG barges are self-propelled, YOGN barges are not.

Oil storage barges (YOS)

Patrol craft (YP)

During World War II many private fishing and United States Fish & Wildlife Service (US FWS) vessels were pressed into naval service as patrol craft. A small number would be modified for delivering refrigerated food to small isolated island bases, most without any reclassification.

Later purpose-built yard patrol craft would be assigned mainly to train US Naval Academy and US Merchant Marine Academy midshipmen.

Floating pile drivers (YPD)

Pontoon storage barges (YPK)

Floating workshops (YR)

Repair and berthing barges (YRB)

Repair, berthing and messing barges (YRBM)

Submarine rescue chambers (YRC)

Floating dry dock workshops, hull (YRDH)

Floating dry dock workshops, machine (YRDM)

Covered barges repair (YRL)

Radiological repair barges (YRR)

Salvage craft tenders (YRST)

Stevedoring barges (YS)

Yard seaplane derricks (YSD)

YSD-11-class crane ship

Salvage barges (YSP)

Sludge removal barges (YSR)

Yard tugs (YT)

Many of these tugs were later assigned YTB, YTL, or YTM classifications.

Natick-class

Valiant-class

Rainier-class

Large harbor tugs (YTB)

Natick-class

Small harbor tugs (YTL)

Medium harbor tugs (YTM)

(YTN)

Unknown type, appeared without description as project SCB 61P in a Ship Characteristics Board project list.[102]

Torpedo trials craft (YTT)

Cape Flattery-class

Drone aircraft catapult control craft (YV)

Water barges (YW, YWN)

YW barges are self-propelled, YWN barges are not.

Unclassified vessels

Barrier boats

The 19 foot, 9.5 ton Barrier Boats (19BB) were built to deploy and maintain port security booms surrounding Navy ships and installations in port. A total 13 unnamed boats were first delivered in 2003.[107]

Other Barrier Boats are 30-foot Modutech work boats.[108]

See also

Similar United States Maritime Administration (MARAD) designations:

References

Sources

External links

Web site: Ship Abbreviations and Symbols - Y.

Museum ship

Notes and References

  1. Web site: Casualties Navy and Coast Guard Ships - Continued. NHHC.
  2. http://www.navsource.org/archives/14/2001.htm YAG-1
  3. http://www.navsource.org/archives/14/2002.htm YAG-2
  4. http://www.navsource.org/archives/14/2003.htm YAG-3
  5. http://www.navsource.org/archives/14/2004.htm YAG-4
  6. http://www.navsource.org/archives/14/2005.htm YAG-5
  7. http://www.navsource.org/archives/14/2006.htm YAG-6
  8. http://www.navsource.org/archives/14/2007.htm YAG-7
  9. http://www.navsource.org/archives/14/2008.htm YAG-8
  10. http://www.navsource.org/archives/14/2009.htm YAG-9
  11. http://www.navsource.org/archives/14/20idx.htm YAG
  12. http://www.navsource.org/archives/14/2011.htm YAG-11
  13. http://www.navsource.org/archives/14/2012.htm YAG-12
  14. http://www.navsource.org/archives/14/2013.htm YAG-13
  15. http://www.navsource.org/archives/14/2014.htm YAG-14
  16. http://www.navsource.org/archives/14/2015.htm YAG-15
  17. http://www.navsource.org/archives/14/2016.htm YAG-16
  18. http://www.navsource.org/archives/14/2017.htm YAG-17
  19. http://www.navsource.org/archives/14/2018.htm YAG-18
  20. http://www.navsource.org/archives/14/2019.htm YAG-19
  21. http://www.navsource.org/archives/14/2020.htm YAG-20
  22. http://www.navsource.org/archives/14/2021.htm YAG-21
  23. http://www.navsource.org/archives/14/2022.htm YAG-22
  24. http://www.navsource.org/archives/14/2023.htm YAG-23
  25. http://www.navsource.org/archives/14/2024.htm YAG-24
  26. http://www.navsource.org/archives/14/2025.htm YAG-25
  27. http://www.navsource.org/archives/14/2026.htm YAG-26
  28. http://www.navsource.org/archives/14/2027.htm YAG-27
  29. http://www.navsource.org/archives/14/2028.htm YAG-28
  30. http://www.navsource.org/archives/14/2029.htm YAG-29
  31. http://www.navsource.org/archives/14/2030.htm YAG-30
  32. http://www.navsource.org/archives/14/2031.htm YAG-31
  33. http://www.navsource.org/archives/09/46/46080.htm YAG-32
  34. http://www.navsource.org/archives/14/2033.htm YAG-33
  35. http://www.navsource.org/archives/14/2034.htm YAG-34
  36. http://www.navsource.org/archives/14/2036.htm YAG-36
  37. http://www.navsource.org/archives/14/2037.htm YAG-37
  38. http://www.navsource.org/archives/14/2038.htm YAG-38
  39. USS George Eastman participated in Operation Castle, Operation Wigwam, Operation Redwing, and Project SHAD
  40. Book: Martin . Edwin J . Rowland . Richard H . Castle Series, 1954 . April 1, 1982 . . Washington DC . 831905820 . DNA 6035F . Defense Technical Information Center.
  41. Web site: Operation WIGWAM, Report of Commander, Task Group 7.3 . https://web.archive.org/web/20211201122003/https://apps.dtic.mil/sti/pdfs/ADA995001.pdf . live . December 1, 2021 . July 22, 1955 . December 1, 2021 . Defense Technical Information Center.
  42. Web site: Ships Associated with SHAD Tests . https://web.archive.org/web/20130726035606/http://mcm.dhhq.health.mil/cb_exposures/project112_shad/shadassociatedShips.aspx . 21 September 2012 . July 26, 2013.
  43. USS Granville S. Hall participated in Operation Castle and Project SHAD
  44. Web site: Class: Unnamed (EAG 155, C4-S-1a) .
  45. http://www.navsource.org/archives/09/18/18009.htm YAG-60
  46. http://www.navsource.org/archives/09/46/46309.htm YAG-61
  47. http://www.navsource.org/archives/14/2062.htm YAG-62
  48. http://www.navsource.org/archives/09/46/46087.htm YAG-87
  49. Web site: Fleet Oiler (YO) Photo Index. Navsource.org.
  50. Web site: Civilian Vessel. Navsource.org.
  51. Web site: NO NAME (YPD 45) (Floating Pile Driver). Nvr.navy.mil. 6 July 2022.
  52. Web site: YCK-8 (1943). On December 13th, 1943, US open cargo lighter YCK-8 sinks (cause unspecified) off Key West, Florida.. Wrecksite.eu. 6 July 2022.
  53. Web site: YFN - Steel Covered Lighter. Globalsecurity.org.
  54. Web site: Freight Lighters Pre-War YF YFN YFND YFR YFRN YFRT. Shipbuildinghistory.com. 6 July 2022.
  55. Web site: Freight Lighters Wartime YF YFN YFND YFR YFRN YFRT. Shipbuildinghistory.com. 6 July 2022.
  56. Web site: NavSource Auxiliary Ship Photo Archive. Navsource.org.
  57. Web site: NO NAME (YPD 46) (Floating Pile Driver). Nvr.navy.mil. 6 July 2022.
  58. Web site: USS YFR-1152 ex YF-1152. Navsource.org. 6 July 2022.
  59. Web site: Freight Lighters Post-War YF YFN YFND YFR YFRN YFRT. Shipbuildinghistory.com. 6 July 2022.
  60. Web site: [{{Naval Vessel Register service craft URL|id=YFB92}} Leeward (YFB) Ferryboat or Launch (S-P) ]. Naval Vessel Register . 5 September 2012.
  61. Web site: [{{Naval Vessel Register service craft URL|id=YFB93}} Windward (YFB93) ]. Naval Vessel Register . 5 September 2012.
  62. Web site: YFR-443 ex YF-443. Navsource.org. 6 July 2022.
  63. Web site: YFR-451. Navsource.org. 6 July 2022.
  64. Web site: The Saga of the YFU-79 & the U-Boat Sailors of I Corps – The Mobile Riverine Force Association. Mrfa.org. 6 July 2022.
  65. Web site: YG-5. NHHC.
  66. Web site: The Heroism of YG-17 at Pearl Harbor. April 4, 2019. Pearl Harbor.
  67. Web site: Garbage Lighter (YG). Navsource.org.
  68. Web site: NH 74186 US Navy Garbage Lighter (YG-51). NHHC.
  69. Web site: NO NAME (YG 53) (Garbage Lighter). Nvr.navy.mil. 6 July 2022.
  70. Web site: Garbage Lighter (YG). Navsource.org.
  71. Web site: YHB-10. NHHC.
  72. Web site: Miscellaneous Photo Index. www.navsource.org.
  73. Web site: CRILLEY (YHLC 1) (Salvage Life Craft). Nvr.navy.mil. 6 July 2022.
  74. Web site: YHLC. Navsource.org.
  75. Web site: NO NAME (YLC 2) (Salvage Lift Craft). Nvr.navy.mil. 6 July 2022.
  76. Web site: Landing Craft Tank Photo Index. Navsource.org.
  77. Web site: Miscellaneous Photo Index. Navsource.org.
  78. Web site: Miscellaneous Photo Index. Navsource.org.
  79. Web site: Miscellaneous Photo Index. Navsource.org.
  80. Web site: Miscellaneous Photo Index. Navsource.org.
  81. Web site: SEABEE (YM 38) (Dredge). Nvr.navy.mil. 6 July 2022.
  82. Web site: 19-N-24347 USS YNG-1. NHHC.
  83. World War II Shipwrecks of the Philippines, by Tom Bennett
  84. Web site: Fleet Oiler (YO) Photo Index. Navsource.org.
  85. Web site: Naval Losses WWII. Usspennsylvania.org.
  86. Web site: Official Chronology of the US Navy in WWII . Ibiblio.org . 4 January 2014.
  87. The Official Chronology of the U.S. Navy in World War II, By Robert Cressman, YO-159
  88. Web site: Fleet Oiler (YO) Photo Index. Navsource.org.
  89. Web site: Republic of Viet-Nam Navy (VNN): List of Ships and Crafts. https://web.archive.org/web/20110725214738/http://www.imnahastamps.com/military/VNN_Ships_Imnaha.pdf . 6 July 2022. 2011-07-25 .
  90. Web site: Yard Oiler (YOG) Photo Index. Navsource.org.
  91. Web site: Yard Oiler (YOG) Photo Index. Navsource.org.
  92. Web site: 19-N-23827 USS YP-29. NHHC.
  93. Web site: YP-72. NHHC.
  94. http://www.navsource.org/archives/09/46/46199.htm "Barcelo (IX-199)"
  95. Brave . Naval History And Heritage Command . 26 June 2015 . Dictionary of American Naval Fighting Ships . Naval History And Heritage Command . 1 September 2019.
  96. Web site: NO NAME (YPD 36) (Floating Pile Driver). Nvr.navy.mil. 6 July 2022.
  97. Web site: NO NAME (YPD 37) (Floating Pile Driver). Nvr.navy.mil. 6 July 2022.
  98. Web site: Repair and Berthing Barges YR YRB YRBM YRDH YRDM YRR. Shipbuildinghistory.com. 6 July 2022.
  99. Web site: YRBM. Navsource.org.
  100. Web site: Miscellaneous Photo Index. Navsource.org.
  101. World War II Wrecks of the Philippines
  102. Roberts, U.S. Navy Ship Design Project Numbers
  103. Web site: Landing Ship Medium LSM. Navsource.org.
  104. Web site: Landing Ship Medium LSM-446. Navsource.org.
  105. Web site: Turner I (Destroyer No. 259) . Dictionary of American Naval Fighting Ships .
  106. Web site: YW-114. Navsource.org. 6 July 2022.
  107. News: Roza . David . Meet the Navy's most adorable boat . Task & Purpose . 6 October 2020.
  108. Web site: The Barrier Boats of NSA Souda Bay Port Operations . Nicholas . Tenorio . America's Navy . February 3, 2023.

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