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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Article GPS interference and jamming on the increase

published on 2 October 2020

Ships have reported an increasing number of cases of significant GPS interference and jamming in recent months. The geographic areas with more than one reported incident include the eastern and central Mediterranean Sea, the Persian Gulf, and multiple Chinese ports.

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Video How AIS Works - Operation of AIS

published on 30 June 2020

This section should give a short introduction to: Operational aspects of AIS Functions and features Human aspects Key Points The AIS transponder unit. Automatic communication. SOLAS requirements. AIS Information sent by ships. Static information update. MMSI Dynamic information update. Voyage related information update. Checking AIS data. BIIT Display Of AIS data. Recommended AIS symbols. Sleeping target symbol. Activated target symbol. Selected target symbol. Dangerous target...

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published on 28 April 2026

On April 20, 2026, the Columbia River Bar Pilots conducted a MOB drill with the U.S. Coast Guard Station Astoria.

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Video S-102 Bathymetric Surface Product for a Safe Passage

published on 13 July 2020

Specialized training for maritime pilots
Quebec City, Quebec, Canada – June 23, 2020 – The Maritime Simulation and Resource Centre (MSRC), a world-class pilot simulation training and port feasibility studies facility, is pleased to announce the release of an informational video on the new S-102 standards on surface bathymetry products.
In the video, Captain Pascal Rhéaume, pilot and member of the technical committee for the Corporation of Lower St-Lawrence Pilots, an active stakeholder...

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Article Navigation alternative in the event of GNSS failure due to jamming or spoofing

by TRENZ GmbH - published on 7 April 2025

What happens when GNSS fails? In maritime navigation, this isn’t a hypothetical scenario – it’s a growing risk. Spoofing, jamming, and GNSS outages are increasing, especially in the Baltic Sea region. A failure can cripple navigation systems – with potentially serious consequences.

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Video Is this a dangerous manoeuvre in a Pilot Boat?

published on 26 October 2020

Editors note: A film of a pilot boat has just been published on YouTube with the title "How Dangerous being in a Pilot Boat..." on YouTube. I'm not sure if this really shows a dangerous maneuver, maybe the experts can comment on it here.
But in principle it is problematic to approach the ship in such a small Pilot Boat in the wake from astern and cross the waves there. I remember an accident from Finland in December 2017 where the boat capsized and people died. Is this situation shown here...

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Opinion AIMPA Journal Issue III - October 2020 for download here

by AIMPA - All India Marine Pilots' Association - published on 24 October 2020

The All India Maritime Pilots' Association has released its new journal for October.

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Video Pilot Boat, change pilot at Quebec

published on 2 December 2021

November 29,2021

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Article Best practice on rigging pilot ladders (UK MAIB)

published on 7 July 2022

On the occasion of the Maritime Safety Week (July 4-10), UK MAIB’s inspector Bill Evans refers to the issue of unsafe pilot ladders, a concern that has been regularly voiced by the industry.

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Article “The Pilot Ladder Manual”, 2nd Edition by Kevin Vallance

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