A maritime pilot, marine pilot, harbor pilot, port pilot, ship pilot, bar pilot, or simply pilot, is a mariner who maneuvers ships through dangerous or congested waters, such as harbors or river mouths. They are navigational experts possessing knowledge of the particular waterway such as its depth, currents, and hazards, as well as being experts in handling ships of all types and sizes. A Maritime pilot is an expert ship handler who is licensed or authorized by a recognized pilotage...
The tugboat "Magni" in Reykjavik (Iceland) use as pilot boat to pick up the pilot from the cruise ship "FTI Berlin". "Magni" was built by Damen shipyards in Gorinchem (Netherlands). The tug is a Dana stan tug 2208 operated by Reykjavicurhofn (IMO: 9339727). Under the flag of Iceland. A tugboat (tug) is a boat that maneuvers vessels by pushing or towing them. Tugs move vessels that either should not move themselves, such as ships in a crowded harbor or a narrow canal, or those that cannot...
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).