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).
What's your opinion on this?
Login or register to write comments and join the discussion!
Read more...

Article Pilots’ Pocket Guide and Checklist - Second Edition released

published on 19 January 2022

The British Tugowners Association (BTA) in collaboration with the UK Chamber of Shipping has launched its new Pilots’ Pocket Guide and Checklist.

1

Video Maritime Pilot Training II - Man overboard manoeuvre

published on 12 May 2021

Training video II on the correct behaviour in case of man overboard

0

Article What is a Portable Pilot Unit (PPU)?

by TRENZ GmbH - published on 1 April 2024

2

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.

3

Video How the MSC ZOE lost its containers (Simulation by Marin.nl)

published on 29 June 2020

Language ENGLISH!
MARIN has done model tests with a model of the msc Zoe in one of its test facilities, to find out what caused the msc Zoe to lose containers and how we can prevent this in the future.

1

Video "Swiss Cheese" by Ahmed Sati

by Captain Ahmed Sati - published on 13 August 2024

The theory of the 'Swiss cheese' model of incident causation and investigation.

0

Video Becoming a maritime pilot, pilotage techniques, career progression | Episode 3 [Thijs Hoff]

published on 7 October 2024

In this episode, we are joined by Thijs Hoff, a maritime pilot with over 15 years of experience at sea and 4 years as Maritime pilot. Thijs will take us through the 'how' of becoming a maritime pilot, offering a detailed look at the educational pathways, skills, and work-life balance that come with the role.

0

Video Reach And Rescue Product Video

published on 6 February 2020

REACH AND RESCUE PRODUCT VIDEO

0

Article China wants to change pilot ladder regulations

published on 3 May 2022

China has already submitted proposals to the IMO regarding changes to SOLAS, Chapter 23, and IMO A.1045(27) in early 2021.

0

Video Baltic Workboats Steams into the U.S. Pilot Boat Market

published on 29 January 2026

Based in Estonia, Baltic Workboats is a long-tenured boatbuilder for multiple markets, including the demanding pilot boat sector. Late in 2025 in New Orleans BWB debuted a new hybrid electric 17m model, a boat that leans on more than 15 years of accrued experience building larger hybrid electric vessels. Carl Mahler, BWB’s North American sales lead and a harbor pilot himself, discussed with Maritime Reporter TV the value proposition offered by the shipyard, from manufacturing process to...

0