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 1,000 ways to secure a Pilot Ladder

by Arie Palmers, Netherlands - published on 10 January 2020

From that moment on I have been keeping a tally of the non compliant boarding arrangements I see in front of me on a daily base, and off course I participate in the annual safety campaign, conducted by IMPA each october.

0

Opinion Accidents: Prevent or react

by Steven Detre (Saab Technology) - published on 25 November 2022

Port operations, whether these are being performed on water or on land, are often not without risk. Pilots boarding a ship while sailing, navigating through narrow passages, collision avoidance with other smaller or larger vessels, discharging and moving cargo on land, walking between container handling equipment and trucks…

1

Video What Happened To The Napoli?

published on 22 October 2021

In this video, you can take a look at what happened when the Napoli broke her back and was run aground on the south coast of the UK.

0

Video Port Ash Australia: Ship Handling Training & Research Centre

published on 28 January 2022

RINA ACT Technical Meeting
23 November 2021
Port Ash Australia: Ship Handling Training & Research Centre
By A. Beazley, Port Ash, Australia

1

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.

1

Article Technical Circular on pilot boarding arrangements by Indian Register of Shipping

by Indian Register of Shipping - published on 25 February 2021

The Indian Register of Shipping has published a Technical Circular on pilot boarding arrangements this week. Here you can download and read the document.

1

Article Watch out for hydrodynamic effects when manoeuvring your ship in restricted waterways

by SWZ|Maritime - published on 14 October 2021

Research on hydrodynamic interaction indicates that if the speed of the ship near a bank is too high, the rudder may be less able to cope with the forces induced and control will be lost. The Nautical Institute highlights this in its latest Mars Report, in which an LPG carrier hit a barge being towed by a tugboat as a result of hydrodynamic forces.

1

Article Hybrid-electric Pilot Boat Delivered in Singapore

published on 9 April 2021

Penguin International Limited has delivered Singapore’s first hybrid-powered ship - a 15-metre, 12-pax aluminium pilot boat christened "Penguin Tenaga".

0

Article AMSA has published the first marine incident annual report

published on 20 October 2020

AMS has released the annual report of marine incidents reported from regulated Australian and foreign flagged vessels in Australian waters. It includes an analysis of reported marine incidents during 2016 to 2019, with a focus on 2019 data.

0

Article Marking, Certification of Pilot Ladders

by Herman Broers - published on 5 January 2021

The name tag plate on this ladder displays a few important items that can be cross referenced with the certificate: Type, Model, Length, Production date, as well as the serial number (Prod.No) and the approval standard.

1