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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Opinion Hybrid War at Sea

by Frank Diegel - published on 25 March 2025

Electronic warfare in the Baltic Sea is escalating rapidly, with GPS and AIS disruptions posing growing risks to maritime navigation. Russia’s hybrid strategy is targeting both safety and stability in one of Europe’s most critical shipping regions. Pilots and crews now face a new reality: navigating under threat.

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Video Geneviève Béchard | The Digital Transformation of Canadian Hydrographic Offices

published on 25 November 2021

Full title: "The Digital Transformation of Canadian Hydrographic Offices, and the Corresponding Contributions to Seabed 2030 and Lakebed 2030"
Presented at the Lakebed 2030 Conference in 2021
Get involved at Lakebed2030.org

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Video Understanding and Preventing Tug & Barge Risks

published on 15 January 2021

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Article 1,000 Combinations around - Which one is correct?

by Arie Palmers, Netherlands - published on 22 October 2020

Before you, you see my third article on pilot boarding arrangements. After my two previous articles ‘1000 ways to secure a pilot ladder’ and ‘1000 ladders around’, I have received a lot of feedback and also questions to get deeper into the matter of combinations and embarkation platforms.

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Video Wind Impact on Ships Turning Motion

published on 20 January 2021

This video complements the earlier demonstration of wind effect on straight track and shows now wind effect on turning circles. It can be seen that during a turn under strong wind the ship reduces turning when it comes close to equilibrium on straight track - if the Wind-to-ship speed ratio is big enough then the ship even goes straight instead of turning. This is shown for three samples for Head, Stern wind and Beam wind. The turning can be increased if the ratio of Wind speed-to-ship...

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Article ‘SANAAG’ A new Pilot boat for the Port of Berbera, Somaliland in Africa delivered by Safehaven Marine.

by Safehaven Marine - published on 20 April 2020

Safehaven Marine based in Ireland have just delivered a pilot vessel for operations at the Port of Berbera in
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Video Boarding a ship Pilot San Francisco Bay

published on 31 August 2021

Here we board the container ship President Kennedy, inbound for the San Francisco Bay.
More content on Instagram @sea_weathered
https://instagram.com/sea_weathered?utm_medium=copy_link

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Article Overview of Associated British Ports Marine Pilot Apprenticeships

published on 8 November 2020

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Video Pilot Boat Singapore

published on 6 December 2020

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Video Harken Man Overboard Rescue System

published on 22 July 2024

Harken introduces the man overboard recovery system, developed in collaboration with the Genoa Port Pilots. Specifically designed for pilots and pilot boats, this innovative system is ideal for all operators working in marine environments where there is a risk of falling into the water.

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