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Military


Yard Craft

YAGMiscellaneous
YCOpen Cargo Lighters
YD Derrick Barge
YFClosed Cargo Lighters
YFBFerryboats
YFUHarbor utility craft
YLCRescue and Salvage Craft
YOFuel oil barge
YPSeamanship training craft
YRRepair Barge
YTBLarge harbor tug
YTMMedium harbor tug
YTLSmall harbor tug
TWRTorpedo weapon retriever
AFDBLarge auxiliary floating drydock
AFDMMedium auxiliary floating drydock
AFDLSmall auxiliary floating drydock
ARD Auxiliary repair dock
Support craft are miscellaneous small craft that are mainly used in Navy yards in support of ship operations. Most of these begin with a Y to designate yard craft. Although small boats and yard craft are midgets compared to a carrier, they still do big jobs. Yard craft include small tugs, security boats, repair barges, etc. Their main job is to provide routine services to ships when they go to sea and return to mooring buoys. Tugs furnish pulling power for the barges used to carry fuel, oil, fresh water and supplies. A barge (also known as a “YON” for Yard Craft-Oil-Navy) can be placed alongside any ship requiring defueling. In US Navy nomenclature, yard craft is the designation for vessels that are not commissioned auxiliary. Craft classified by the US Navy as “service craft” were previously known as “district ciraft.” Before this classification they were known as “yard craft.” Therefore, yard, district and service craft are all the same type of craft. According to “BuShips Manual,” service craft are defined as “ . . . water-borne utilitarian craft not classified as vessels or boats.” In the US Navy, personnel attached to service vessels are on sea duty, while those assigned to yard craft are on shore duty. Yard craft (e.g., tugs and yard oilers, and small craft) under the jurisdiction of the base commander. In the US Navy, the Port Services Department is responsible for all husbanding services provided to visiting operating forces.Port Services also accommodates piloting, pier services, and any needs of all vessels entering and exiting. Boatswain's Mates (BM) train, direct, and supervise personnel in ship's maintenance duties in all activities relating to marlinespikes, decks, boat seamanship, painting, upkeep of ship's external structure, rigging, deck equipment, and life boats; take charge of working parties; perform seamanship tasks; act as petty officer-in-charge of picket boats, self-propelled barges, tugs, and other yard and district craft; and operate and maintain equipment used in loading and unloading cargo, ammunition, fuel, and general stores. Ships and Boats Mates are responsible for the operation and maintenance of deck machinery, firefighting, and other emergency equipment; direct the movement of non-self-propelled yard craft within the boundaries of harbors, bays and sounds; operate tugs to assist in docking, undocking, dry-docking, and cold iron moves. Durign World War II yard craft patrolled navy yards and adjacent areas, and they were also used by the Allies as part of the Lend-Lease Program. Hundreds of yard craft were necessary to the smooth functioning of the US Navy in the cold war. Barges, tugs, and other similar yard craft usually do not have water producing capability. Most are equipped with a water storage tank.




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Page last modified: 25-12-2019 18:43:25 ZULU