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GREAT LAKES GLOSSARY ‘AAA CLA Gere early 1950s. Arthur M, Anderson is one example. AFT - eae the back, or stern, of a ship. AMIDSHIPS =The middle point ofa vessel, referring to either length or width. ARTICULATED TUG / BARGE (ATB) ~ Tug-barge ie ‘ HK s') Area. Pp ins, oft d for crew's quarters or stor ates The space hates the forecastle. -ORWARD - Toward the front, or bow, of a ship. Eeeesuene ‘The lira from the waterline to the mi GROSS TONNAGE ~ eo ce space of a vessel, ne axis move, or articulate, on another axis. Jacklyn M /Integrity is one example. BACKHAUL - The practice of carrying a her than bi HATCH - An opening in the deck through which cargo is lowered or raised. A hatch is closed by securing a hatch cover over it HULI ludi BARGE — Vessel with no engine, either pushed or ul 7 inery. mens TUG-BARGE ra ~Tug-barge BEAM - The width of a vessel th int. BILGE - Lowest part of a hold or compartment, erie where the rounded side of a ship curves the keel to te vena sides. one a of a ves: Bow TARE TER pate mounted transversely ba ple, IRON DECKHAND - Mechanical device that runs on rails on a vessel's main deck and is used to remove aa replace hatch covers. ACT - A US.cabotage law that mandates that by U.S-flagged, U.S.-built and U.S.-crewed vessels. KEEL - A ship’ It runs al ina vessel’ be mong sey stern thruster may also be installe lowest part of the hull. ID UP or LAY UP - Out of service. BR ipae - from which a ship is steered / navigated. Also: World War Il as part of the nation’s war effort. PILOTHOUSE or WHEELHOUSE. Mississagi is one example. holds or tanks with ’s hull. NET REGISTERED TONNAGE - The internal capacity i Itdoes not haft a ship’ BULWARK - The part of ip lleys, chain lockers or officers’ DATUM - Level of ee i ji determined by an average over tim DEADWEIGHT TONNAGE The actual carrying registred tonnage ar net tonnage ands used t calculate taxes, tolls and port charg sels capacity of a vessel, the ight asplacement tonnage and the heavy built in the 1970s to service smaller ports and i veland’s 2.240 panda orl Die Tb looiars) ‘TONNAGE Cuyahoga. David Z. Norton is one ane see LIDS Vessel able to discharg} cargo using a system of conveyor els anda Hiolable bors Tong tons. The dsplacerant is equal to ote aot water displaced by th ycement fuel and store: yp the i ‘ing proce: is later ground up and used for paving roads. STEM - the bow. ae may be qualified as light, epee the weight of or heavy, the weight with org, fuel Be stores. {AFT - The depth of water a ship needs to float. Aso the alseance fom keel to water. IT OUT - The process of preparing a vessel for _ service after a y period of inactivity. STERN - The back of the ship. STRAIGHT-DECKER - A non-sef-unloading vessel. Edward L. Ryerson is one exai v E — Processed, pelletized iron ore. Easy to load and unload, ths is the primary typeof ore TION - US. Been arasck eve ye eats verse hull machinery and other components. K - Lakes slang for a non-self-unloader. FOOTER - Lakes slang for 1,000-foot vessel 16 Seaway. Also known ie pellets. RACTOR TUG maneuverable tug propelled by either a Z-drive ese system rather than ea an RRISEN propeller. KYS ‘07