Complete Glossary of
Marine Terms & Abbreviations
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GA in Full Clause
A clause in a cargo policy whereby the underwriter agrees to pay general average contributions in full even though the contributory value may be greater than the insured value.
Garboard Strake
The shell plating of a ship that is next to the keelplate.
GATT - General Agreement on Tariffs and Trade
An international multilateral agreement embodying a code of practice for fair trading in international commerce.
GENCON
General charterparty for no particular trade. Usually in the negotiations between the hirer and the shipowner start with the GENCON form and adapt the terms to their circumstances.
General Average
Loss arising through a voluntary sacrifice of any part of the ship or cargo, or an expenditure, to safeguard the ship and the rest of the cargo.
General Average Bond
Document required of cargo owners, after a GA loss, obtaining their agree¬ment to pay any contribution that may become due.
General Average Contribution
Such losses or expenditures are contributed to by all the interest at risk on the basis of their respective values.
GENERAL AVERAGE DEPOSIT
A deposit paid by a consignee in return for delivery of the goods where such goods are subject to general average contribution.
GENERAL AVERAGE DISBURSEMENTS
Expenses paid by the shipowner as part of a general average act.
Such expenses are recovered by the shipowner from the general average fund. Unlike GA sacrifice, there is no direct liability on bull underwriters to reimburse the insured for GA disbursements.
The disbursements will he included in the final GA adjustment and incorporated in the GA contribution, underwriters paying this insofar as it is recoverable under the policy.
GENERAL AVERAGE FUND
The total arrived at by adding together general average expenditure and the value of property sacrificed in a general act, plus costs of its adjustment.
General Average Guarantee
Given by cargo underwriters, after a GA, agreeing to meet their insured's liability for contribution.
GM
GM = metacentric height (measure of a vessel's statical stability)
GO - General order
(U.S.) Issued by U.S. Customs as notice of intention to seize goods.
Go about
to tack i.e to turn in going forward into the wind, and bring the wind on the other side of the sails
GoM
= fluid metacentric height (taking account the effect of free surface). Measurement used in ship stability calculations.
Gooseneck
fitting that holds the boom to the mast
Goosewinged
running before the wind, with the foresail on one side and the mainsail on the other
GPS
= global position system. Satellite-based navigation.
Grain Certificate
A certificate to show that the regulations have been complied with when carrying a grain cargo.
GROSS TONNAGE
This is the volume of the interior of the vessel including all spaces which are permanantly closed in (but excluding the double bottom).
This is calculated not by weight but by space; one ton being represented by 100 cubic feet or, where metric measurement is concerned, 1000 cubic centimetres per ton.
Ground tackle
anchor gear
Groupage
Consolidation of several LCL consignments into a container.
Groupage Agent
One who consolidates LCL consignments to offer to a Carrier as an FCL.
Guaranteed Freight
Freight which is not prepaid but which is payable whether or not the mer¬chandise arrives at the final point of destination.
Gunwale
the upper edge along the side of a boat
Guy
A rope used to control a derrick or spar. In a sailing yacht this usually refers to the spinnaker guy, which adjusts the trim of the spinnaker pole
Gybe
Altering from having the wind on one side of the sailing vessel to another, by putting the boat's stern through the wind (as distinct from tacking)
G.A.D.
General average deposit
G.A.D.V.
Gross arrived damaged value
G.A.L.
General average loss
G.A.S.V.
Gross arrived sound value
g.b.o.
Goods in bad order
G.I.T.
Goods in transit
G.L.
Germanischer Lloyd
G.m.b.
Good merchantable brand
G.m.q.
Good merchantable quality
G.M.T.
Greenwhich mean time
G.O.R.
Gross original rate
G.R.O.
Ground risks only
G.T.P.
General third party (liability insurance)
G.W.P.
Gross written premiums