A/S Alongside
AA Always Afloat
AAAA Always Accessible Always Afloat
AAOSA Always Afloat or Safe Aground. Condition for a vessel whilst in port
AARA Amsterdam-Antwerp-Rotterdam Area
ABAFT Toward the rear (stern) of the ship. Behind.
ABEAM At right angles to the keel of the boat, but not on the boat.
ABLE BODIED SEAMEN A member of the deck crew who is able to perform all the duties of an experienced seamen; certificated by examination; must have three years sea service. Also called Able Seamen and A.B.
ABLE SEAMEN (AB) stand watch, during which they steer the vessel, stand lookout, assist the mate on watch and make rounds of the ship to insure that All is in order. they Also tie up and untie the vessel to and from the dock and maintain the equipment on deck.
ABOARD On or within the ship
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ABOARD on or within the boat.
ABOVE DECK On the deck (not over it - see ALOFT)
ABREAST Side by side; by the side of.
ABS American Bureau of Shipping: a U.S.-based private classification, or standards setting society for merchant ships and other marine systems.
ABT About
ADCOM Address Commission
ADDENDUM Additional chartering terms at the end of a charter party
ADMEASUREMENT the confirmed or official dimensions of a ship.
ADRIFT Loose, not on moorings or towline.
AFFREIGHTMENT The hiring of a ship in whole or part
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Aframax tanker < 80,000 dwt (average freight rate assessment)
AFSPS Arrival First Sea Pilot Station (Norway)
AFT At or towards the stern or rear of a ship
AGENCY FEE A fee charged to the ship by the ship's agent, representing payment for services while the ship was in port. Sometimes called attendance fee.
AGROUND Touching or fast to the bottom
AGW All Going Well
AHEAD in a forward direction.
AHL Australian Hold Ladders
AID Agency for International Development.
AIDS TO NAVIGATION Artificial objects to supplement natural landmarks indicating safe and unsafe waters
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AIMS American Institute of merchant Shipping.
AIS automatic identification system
ALEE away from the direction of the wind. Opposite of windward.
ALLISION the act if striking or collision of a moving vessel against a stationary object.
ALOFT Above the deck of the ship
Aloft overhead, above
AMC American Maritime Congress.
Amidships the middle of the boat
AMIDSHIPS In or toward the centre of the ship
AMNI Associate Member of The Nautical Institute
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AMVER US Coast Guard's Automated Mutual-Assistance Vessel Rescue System
Anchor An object designed to grip the ground, under a body of water, to hold the boat in a selected area
ANCHORAGE A place suitable for anchorage in relation to the wind, seas and bottom
ANTHAM Antwerp-Hamburg Range
API American Petroleum Institute.
Apparent Wind the direction of the wind as is relative to the speed and direction of the boat
APS Arrival Pilot Station
ARAG Amsterdam-Rotterdam--Antwerp-Gent Range
Arbitration Method of settling disputes which is usually binding on parties. A clause usually in a charter party.
ARBITRATION Method of settling disputes which is usually binding on parties. A clause usually in a charter party
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ARCS Admiralty Raster Chart Service
ARPA Automatic Radar Plotting Aids
ARTICLES OF AGREEMENT The document containing all particulars relating to the terms of agreement between the Master of the vessel and the crew. Sometimes called ship's articles, shipping articles.
ASBA American Shipbrokers Association
ASPW Any Safe Port in the World
ASTERN A backward direction in the line of a vessel's fore and aft line; behind. If a vessel moves backwards it is said to move astern; opposite to ahead.
AT SEA in marine insurance this phrase applies to a ship which is free from its moorings and ready to sail.
ATDNSHINC Any Time Day/Night Sundays and Holidays Included
ATHWARTSHIPS At right angles to the centerline of the boat; rowboat seats are generally athwart ships.
ATUTC Actual Times Used to Count
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AUTOMATIC PILOT An instrument designed to control automatically a vessel's steering gear so that she follows a pre-determined track through the water.
AWEIGH the position of anchor as it is raised clear of the bottom.
AWO American Waterway Operators. the national trade association for the barge and towing industry and the shipyards employed in the repair and construction of these craft.
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