Glossary of Shipping Terms

- A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

G
acceleration due to gravity; Greenwich meridian (lower branch).

G
Greenwich; Greenwich meridian (upper branch); grid (direction); gravel; green.

GAT
Greenwich apparent time.

GATEWAY
In the context of travel activities, gateway refers to a major airport or seaport. Internationally, gateway can also mean the port where customs clearance takes place.

GATEWAY INDUSTRY–RELATED
A point at which freight moving from one territory to another is interchanged be­tween transportation lines.

GB
grid bearing.

GBL
Abbreviation for “Government Bill of Lading.”

GATT
Abbreviation for “General Agreement on Tariffs and Trade.” A multilateral treaty to help reduce trade barriers between the signatory countries and to promote trade through tariff concessions. The World Trade Organization (WTO) superseded GATT in 1994.

GC
grid course.

GCLWD
Gulf Coast Low Water Datum.

GDOP
geometric dilution of precision.

GDSM
Abbreviation for “General Department Store Merchandise.” A classification of commodities that includes goods generally shipped by mass–merchandise companies. This commodity structure occurs only in service contracts.

GE
gyro error.

GENERAL ORDER (G.O.)
When U.S. Customs orders shipments without entries to be kept in their custody in a bonded ware­house.

GENERATOR SET (GEN SET)
A portable generator which can be attached to a refrigerated container to power the refrigeration unit during transit.

GH
grid heading.

GHA
Greenwich hour angle.

GLOBAL MARITIME INTELLIGENCE INTEGRATION (GMII)
It is within the Office of the Director of National Intelligence, with the mission to ensure govern­ment–wide access to maritime information and data critical to intelligence production and to serve as the focal point and oversight agent for maritime specific information issues.

GMDSS
Global Maritime Distress and Safety System.

GMT
Greenwich mean time.

GO–DOWN IN THE FAR EAST
a warehouse where goods are stored and delivered.

GOOSENECK
The front rails of the chassis that raise above the plane of the chassis and engage in the tunnel of a container leading to the connection to tractor.

GOVERNMENT GOVERNMENT B/L (GBL)
A bill of lading issued by the U.S. government.

GP
geographical position.

GP.
Fl. group flashing.

GPS
Global Positioning System.

GR.
Greenwich.

GRI
Abbreviation for “General Rate Increase.” Used to describe an across–the–board tariff rate increase implemented by conference members and applied to base rates.

GRI
group repetition interval.

GROSS TONNAGE (GT)
Applies to vessels, not to cargo, (0.2+0.02 log10V) where V is the volume in cubic meters of all en­closed spaces on the vessel. Since 1994, it replaces “Gross Registered Tonnage.” An approximate conversion ratio is 1NT = 1.7GT and 1GT = 1.5DWT.

GROSS WEIGHT
Entire weight of goods, packaging and freight car or container, ready for shipment. Generally, 80,000 pounds maximum container, cargo and tractor for highway transport.

GROUPAGE
a consolidation service, putting small shipments into containers for shipment.

GST
Greenwich sidereal time.

GV
grid variation.

GVW
Abbreviation for “Gross Vehicle Weight.” The combined total weight of a vehicle and its container, inclusive of prime mover.

GZN
grid azimuth.