HA Hatch
Hague Rules Code of minimum conditions for the carriage of cargo under a bill of lading
HAGUE RULES Code of minimum conditions for the carriage of cargo under a Bill of Lading
Halyard the line used to raise and lower the sail
HARBOR DUES Various local charges against All seagoing vessels entering a harbor, to cover maintenance of channel depths, buoys, Lights, etc. All harbors do Not necessarily have this charge.
HARBOR MASTER A person usually having the experience of a certificated master mariner and having a good knowledge of the characteristics of the port and its whole area. He administers the entire shipping movements that take place in and within reach of the port he is responsible for.
HARD AGROUND a vessel which has gone aground and is incapable of refloating under her own power.
Hard Alee the command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward
HARD CHINE an abrupt intersection between the hull side and the hull bottom of a boat so constructed.
HARD CURRENCY a currency which is sound enough to be accepted internationally and which is usually fully convertible.
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HARTER ACT (1893). This U.S. statute refers to merchandise or property transported from or between ports of the United States and foreign ports. Now partially superseded by the US Carriage of Goods by Sea Act of 1936.
HATCH An opening, generally rectangular, in a ship's deck affording access into the compartment below.
HAWSER Large strong rope used for towing purposes and for securing or mooring ships. Hawsers are now mostly made of steel.
HBF Harmless Bulk Fertilizer
HBL Hydrostatic Balanced Loading
HCRF Hydrographic Chart Raster Format
HDLTSBENDS Half Despatch Lay Time Saved Both Ends
HDWTS Half Despatch Working (or Weather) Time Saved
Head TOP of the sail
HEAD a marine toilet. Also the upper corner of a triangular sail.
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Head to Wind the bow turned into the wind, sails luffing
HEADING The direction in which a vessel's bow points at any given time.
Headsail a sail forward of the mast, a foresail
Headstay a wire support line from the mast to the bow
Headway forward motion
HEADWAY the forward motion of a boat. Opposite of sternway.
Heave To to stop a boat and maintain position (with some leeway) by balancing rudder and sail to prevent forward movement, a boat stopped this way is "hove to"
Heel the leeward lean of the boat caused by the winds action on the sails
Helm the tiller or wheel, and surrounding area
HELM the wheel or tiller controlling the rudder. HELMSPERSON - the person who steers the boat.
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Helmsman the member of the crew responsible for steering
HGE Harmonisation Group on ECDIS
HHDW Handy Heavy d.w. (Scrap)
HHP High holding power (anchors)
Hike leaning out over the side of the boat to balance it
Hire T/C remuneration
HIRE T/C Remuneration
HITCH a knot used to secure a rope to another object or to another rope, or to form a loop or a noose in a rope.
HMS Heavy Metal Scraps
HNS Convention on the Carriage of Noxious and Hazardous Substances by Sea
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HO Hydrographic Office, observed height
HO Hold
Hoist to raise aloft
HOISTING ROPE Special flexible wire rope for lifting purposes, generally being of six strands with 19 wires in each strand and in most cases having a hemp rope at the center.
HOLD A compartment below deck in a large vessel, used solely for carrying cargo
HOVERCRAFT A vessel used for the transportation of passengers and cargo riding on a cushion of air formed under it. It is very maneuverable and is also amphibious.
HP high pressure
HSC International Code of Safety for High-Speed Craft,IMO
HSE health safety and environmental,Health and Safety Executive
HSWA Health and Safety at Work Act
HULL The main body of a vessel.
HW High Water
HYDROFOIL A craft more or less similar to the Hovercraft insofar as it flies over water and thus eliminates friction between the water and the hull. Under acceleration it rises above water but remains in contact with the surface through supporting legs.
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