What is the difference between net tonnage and gross tonnage?
What is the difference between net tonnage and gross tonnage?
‘Gross Tonnage’ means the measure of the overall size of a ship. ‘Net Tonnage’ means the measure of the useful capacity of a ship.
What is the meaning of gross registered tonnage?
Definition: Gross Registered Tonnage (GRT) is the volume of space within the hull and enclosed space above the deck of a merchant ship which are available for cargo, stores, fuel, passengers and crew. Description: Gross Registered Tonnages are actually measurements of cubic capacity. The GRT is on decline in India.
What means gross tonnage in the International tonnage Certificate?
(4) “gross tonnage” means the measure of the overall size of a ship determined in accordance with the. provisions of the present Convention; (5) “net tonnage” means the measure of the useful capacity of a ship determined in accordance with.
What is the rule of tonnage?
Law of Gross Tonnage The law, which is more common sense then explicitly written in the code, goes like this: “The heavier vessel always has the right-of-way.”
How is net tonnage calculated?
It is calculated by subtracting non-revenue-earning spaces i.e. spaces not available for carrying cargo, for example engine rooms, fuel tanks and crew quarters, from the ship’s gross register tonnage. Net tonnage is thus used in situations where a vessel’s earning capacity is important, rather than its mere size.
What is meant by net tonnage of a ship?
Net tonnage (often abbreviated as NT, N.T. or nt) is a dimensionless index calculated from the total moulded volume of the ship’s cargo spaces by using a mathematical formula. Net tonnage is used to calculate the port duties and should not be taken as less than 30 per cent of the ship’s gross tonnage.
What is Suez Canal net tonnage?
Suez Canal Net Tonnage (SCNT) is derived with a number of modifications from the former net register tonnage of the Moorsom System and was established by the International Commission of Constantinople in its Protocol of 18 December 1873.
What is meant by net tonnage?
Definition of net tonnage : the gross tonnage of a ship less deductions for space occupied by crew’s quarters, machinery for navigation, engine room, and fuel.
How do you calculate gross tonnage?
Gross tonnage is calculated from the formula GT = K1V, where V is the volume of a ship’s enclosed spaces in cubic metres and K1 is a constant calculated by K1 = 0.2 + 0.02 log10 V.
https://www.youtube.com/watch?v=MuyU_Z6PNBs