Tsl is also called TRG which stands for Gross Register Tonnage
GRT
gt. Gross registered tonnage (GRT), unit; measurement of the tonnage of a vessel. N. 1 GRT is equivalent to 2,83168 m3.
gt. Gross registered tonnage (GRT), unit; measurement of the tonnage of a vessel. N. 1 GRT is equivalent to 2,83168 m3.
Tsl is also called TRG which stands for Gross Register Tonnage