Video

The difference between Gross Tonnage and Net Tonnage


published on 14 July 2020 988 -

Found on YouTube. Created by "Steering Mariners".
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).
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Video Safe Passage in The Singapore Strait - Eastbound

published on 11 July 2020

Safe Passage in The Singapore Strait is a training package of two videos and an Interactive computer-based learning module produced by the maritime authorities of Indonesia, Malaysia and Singapore. The aim is to improve safe navigation in the Strait. It is distributed free of charge worldwide. Copyright is with the Maritime and Port Authority of Singapore (c) 2016.

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Video SAMMON Demo Planning FtLauderdale Arrival with comments

published on 20 January 2021

This updated video shows how easy it is to develop an arrival plan with the SAMMON Planning Tool. As a sample the arrival from appraoch until the berth to Ft. Lauderdale is used under strong current of 2kn. At the simulator training courses where we used this tool for preparation of a manoeuvring plan during the briefing sessions all nautical officers involved stated afterwards: "Why don't we have this tool on our ships?"

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Article GPS (Part 3) - Accidental interferences and intended Interferences by extern technical sytems

by Capt. Gunter Schütze, Thailand/Germany - published on 6 May 2020

The vulnerability of GNSS in shore-based use is definitely different and to be regarded as much more risky than on the high seas.

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Article IMPA Information on Pilot Transfer Operations (May 2024)

published on 13 May 2024

This document aims to provide information to pilot organisations and/or competent pilotage authorities on the conduct of pilot transfer operations.

1

Article New Study on GNSS Interference in the Baltic Sea

by GPSPATRON Sp. z o. o. - published on 12 March 2025

GNSS interference has become a growing challenge in the Baltic Sea, affecting maritime navigation, aviation, and critical infrastructure. While numerous datasets and services, such as gpsjam.org, spoofing.skai-data-services.com, and flightradar24, report high-altitude GNSS interference based on ADS-B data, there is a significant lack of studies focusing on ground-level interference.

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Article Michigan Pilots Order for New Launch from Gladding-Hearn

published on 30 August 2021

Gladding-Hearn Shipbuildiing, Duclos Corporation, has taken an order for a rigid-bottom, soft-sided pilot boat from the Lake Pilots. The Resilient class high-speed launch is the Michigan pilots’ third boat built by the Somerset-Mass. Shipyard since 1979.

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Video Aberdeen Pilot Boat “Sea Shepherd in high winds

published on 13 September 2021

Aberdeen Pilot Boat “Sea Shepherd” following a vessel into port. Wind speed of 40kts gusting 50kts

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Video What happens during a snapback event?

published on 18 February 2022

Case Study Video:
BHP - a global mining company and port owner – asked us to develop a test set-up to see what happens during a snapback event and evaluate their safety protection fence. The test data helped in the development of a safer protection fence and gave real insight into snapback behaviour.
Collaboration with BHP, Geobrugg and Wilhelmsen.

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Video Training of the Elbe pilots - documentary (in german)

published on 6 November 2020

Die Lotsenbrüderschaft Elbe ist ein geschlossener Kreis, der sich nicht gern in die Karten schauen lässt. Wer dort Mitglied werden und bis zu 400 Meter lange Containerpötte in den Hamburger Hafen steuern möchte, muss hohe Anforderungen erfüllen. Bewerber müssen mehrere Jahre lang zur See gefahren sein, um ausreichend Fahrpraxis zu haben. Aber es gibt immer weniger deutsche Seeleute, weil die Reeder billigere Kräfte aus dem Ausland bevorzugen. Dadurch wird es zunehmend schwierig,...

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Video Pilot Vessel "SIRIUS IV" - Puerto la Plata

published on 24 June 2020

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