Nautical Term: NRT

Definition of NRT

Net Registered Tonnage (NRT) refers to the calculated tonnage of a ship based on its enclosed volume for cargo and passengers, as well as deductions for the ship’s machinery, stores, and other necessary equipment.

For instance, in the following paragraph, the Net Registered Tonnage (NRT) is mentioned as a relevant factor in the calculation of a ship’s insurance premium:

The MV Golden Sun, a 133-meter long containership, experienced a container fire in the cargo hold during its voyage from the Port of Hamburg to the Port of Singapore. As a result, the ship’s insurance company required the submission of various documents, including the vessel’s last inspection report, the crew’s certificates, and the NRT certificate. Based on the information provided in these documents, the insurance company will calculate the premium for the ship’s insurance policy.

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