G

GA - General Average

GLS - Gearless

GNCN - Gencon - a standard BIMCO charter party form

GN (or GR) - Grain (capacity)

GO - Gas Oil

GRD - Geared

GRT - Gross Registered Tonnage

GSB - Good Safe Berth

GSBP – Good Safe Port Berth

GSP - Good Safe Port

GTEE - Guarantee