The GT Thresholds: Why 500GT and 3000GT are Life-Changing Numbers

Gross Tonnage (GT) is a measure of internal volume, but for the IMO, it’s a regulatory trigger. We explain why staying under 500GT is the "holy grail" for many owners (lower manning requirements, simpler safety codes). We look at the jump to 3000GT, where the yacht effectively becomes a commercial ship in the eyes of the law.