The Portius Port Law Series is a library of manuals, monographs, collections of papers and conference proceedings on the law of ports and harbours. The focus is on international law, European law and comparative law. The publications are aimed at an audience of port professionals, legal practitioners and academics.
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Video Pilot boat NES, North East Spit Pilots (UK)
published on 16 March 2022
Video The difference between Gross Tonnage and Net Tonnage
published on 14 July 2020
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).
Video Pilot Aboard!
published on 18 June 2021
Article Safety Training Course for Maritime Pilots and Pilot Boat Crews (Germany)
by Bundeslotsenkammer - published on 12 June 2026
Video Delta Pioneer to sea Timelapse And Disembarkation
published on 2 September 2020
Video History: Trinity House Buoys (1966)
published on 18 May 2020
Harwich, Essex. Several shots of buoys at a warehouse on the quay. Various shots show the Trinity House Vessel 'Siren' setting out to sea to carry out maintenance on buoys; a naval flag showing the Union Jack and the Trinity House Jack is hoisted; officers are seen using sextants and plotting their course on a chart. Nice M/S of a sailor tying on a life jacket. Sailors drop anchor beside a buoy, hoist weather balloons and ring bells on the ship. The buoy is cleaned of mussels and limpets...