Using pictures and sketches, this video finally explains the difference between gross tonnage (GRT) and net tonnage (NRT); the ship spaces that are included/excluded in their calculation; and the importance of these terms to ship owners.
Contents of this video will benefit mariners preparing for exams (written and oral examinations).
The good old times: 1940. Found on YouTube. Created by "British Pathé" Titles read: "PILOT AHOY! A PATHETONE SPECIAL" New York, United States of America. Good aerial views of dozens of merchant ships entering New York's harbour. Various shots of life aboard a New York pilot cutter. The pilot is rowed out to a merchant ship, goes aboard and then is picked up again. Apprentice pilots on board a training ship scrub the decks, lower a rowing boat over the side and study charts with a senior...
