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 Man Overboard Training - Loodswezen Amsterdam-Ijmond

published on 20 May 2021

The man-overboard manoeuvre includes all measures to rescue a person who has fallen overboard from a watercraft.

0

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...

1

Opinion How OpenBridge seeks to improve maritime workplaces

by Prof. Kjetil Nordby Institute of Design - The Oslo School of Architecture and Design - published on 6 May 2020

Lack of standard user interfaces across bridge equipment is a major concern for maritime safety. Pilots are in a unique position, as they are constantly exposed to new and differing bridge working environments, equipment, interface designs and combinations of systems. As pilots face this problem throughout every shift they need to put in considerable effort to adjust their work to the many user interfaces they meet.

0

Video Spiral-Test -Manoeuvre for detailed identification of Yaw Stability using Samples of Cruise Ship

published on 29 September 2021

This video shows an introduction on the Spiral-Test-Manoeuvre and describes the procedure how to steer through this manoeuvre and measure the data needed. The results will be displayed in a characteristic diagram allowing to identify stable and unstable conditions and related, detailed information, e.g. spiral loop width and height, rudder angle of neutral effect. Samples of stable and unstable ship behaviour demonstrations will be shown by Fast Time Simulation using the SAMMON Planning tool.

0

Article Future Tug Master Training

by Henk Hensen - published on 11 July 2023

The role of a Tug Master undertaking harbour towage activities is a very specific one. He/she has to, alone or in cooperation with other Tug Masters, assist a ship in a safe and efficient way using his/her tug to the best of its qualities. 

1

Video Norway Pilot Boat LOS 122

published on 25 October 2021

0

Video Barracuda Poole Pilot Boat

published on 7 September 2021

Barracuda comes to shepherd SS Shieldhall into Poole harbour on the 4th of September 2021. The day the biplane crashed in front of the Haven Hotel at Sandbanks.

0

Video Pilot Boat "Pennsylvania" - Delaware Bay

published on 4 August 2025

As seen from the https://www.capewatertours.com/ Dolphin Cruise!!

0

Video Pilot boat launch - Methanol distribution

published on 29 March 2022

Europe’s first Commercial fueling station for Methanol!

0